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Charcoal vs Dark Grey: What's the Difference?

The main difference between Charcoal and Dark Grey is hue — Charcoal is a cool blue, while Dark Grey is a neutral gray. Charcoal and Dark Grey are often confused but differ in brightness, saturation, and undertone. Charcoal (#36454F) and Dark Grey (#A9A9A9) each have distinct characteristics and best uses.

Charcoal#36454F
Dark Grey#A9A9A9
#36454FBlended: #70777C#A9A9A9
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Charcoal vs Dark Grey: Key Differences at a Glance

Aspect Charcoal Dark Grey
BrightnessDark (L=26%) — rich, serious, substantialLight (L=66%) — airy, soft, approachable
SaturationMuted (S=19%) — subdued, sophisticatedNear-neutral (S=0%) — desaturated and restrained
Hue familyBlueGray
TemperatureCoolNeutral
Hex code#36454F#A9A9A9
RGB54, 69, 79169, 169, 169

Can you use Charcoal and Dark Grey together?

Dark Grey text on Charcoal
Charcoal text on Dark Grey
Contrast Ratio:4.21:1Large Text Only

How to Tell Charcoal and Dark Grey Apart

  • ●Look at lightness first: Dark Grey is noticeably lighter.
  • ●Check saturation: Charcoal looks more vivid and saturated.
  • ●Watch the undertone: the hue shifts 204° between them, which changes the perceived temperature.
  • ●Compare them on a white background to see true saturation, and on black to see true lightness.

Charcoal or Dark Grey: Which to Use and Where

Four real design scenarios, with the recommended pick based on hue, saturation, and WCAG contrast.

◆Branding & logos
PickCharcoal

Charcoal is more saturated (19% HSL vs 0%) so it reads as bolder and more memorable at logo scale, while Dark Grey can feel washed out when printed small.

▢Web UI & body text backgrounds
PickCharcoal

Charcoal hits a 9.90:1 WCAG contrast against white — safer for text-heavy interfaces — where Dark Grey only reaches 2.35:1 and risks failing AA at small body sizes.

⬡Fashion & apparel
PickDark Grey

Dark Grey is a cool-leaning tone that flatters spring/summer collections and warmer skin undertones, while Charcoal leans cooler and is better suited to autumn/winter layering.

▣Interior design & walls
PickDark Grey

Dark Grey is the more muted of the two (0% saturation) and sits more calmly on large wall surfaces, while Charcoal's higher chroma can overwhelm a room when used beyond accent pieces.

When to Use Charcoal vs Dark Grey in Design

Use Charcoal for:
●Tech and corporate trust
●Finance and banking brands
●Links and primary buttons
●Medical and professional UI
●Calm dependable visuals
Use Dark Grey for:
●Backgrounds and UI chrome
●Professional corporate design
●Minimalist and modern brands
●Text and secondary elements
●Architectural neutrals

Charcoal and Dark Grey Hex Codes, RGB & HSL

Charcoal#36454F

Charcoal (#36454F) is a dark, muted blue with a cool undertone — it feels rich, serious, substantial and subdued, sophisticated.

HEX
RGB
HSL
HSV
CMYK
PANTONE
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Dark Grey#A9A9A9

Dark Grey (#A9A9A9) is a light, near-neutral gray with a neutral undertone — it feels airy, soft, approachable and desaturated and restrained.

HEX
RGB
HSL
HSV
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PANTONE
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Charcoal and Dark Grey WCAG Contrast Ratios

Text legibility depends on the contrast ratio between foreground and background. WCAG 2.1 AA requires at least 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Use these numbers to choose accessible combinations for your design.

Sample text preview
Charcoal text on white
9.9:1AAA
Sample text preview
Charcoal text on black
2.12:1Fail
Sample text preview
Dark Grey text on white
2.35:1Fail
Sample text preview
Dark Grey text on black
8.94:1AAA
Sample text preview
Charcoal text on Dark Grey
4.21:1AA Large
Sample text preview
Dark Grey text on Charcoal
4.21:1AA Large

Explore Charcoal and Dark Grey individually

Each color has a dedicated page with shades, tints, CSS name, pairings, and color psychology.

Charcoal color page#36454F · shades, tints, pairings

More Charcoal and Dark Grey Comparisons

GreyvsCharcoalGrayvsCharcoalCharcoalvsNavyCharcoalvsTealNavyvsCharcoalCharcoalvsGoldCharcoalvsSageCharcoalvsBlackBlackvsCharcoalCharcoalvsSlateCharcoalvsCoralCharcoalvsPewter

Charcoal vs Dark Grey FAQ

What is the difference between charcoal and dark grey?+
The main difference between Charcoal and Dark Grey is hue — Charcoal is a cool blue, while Dark Grey is a neutral gray. Charcoal and Dark Grey are often confused but differ in brightness, saturation, and undertone. Charcoal (#36454F) and Dark Grey (#A9A9A9) each have distinct characteristics and best uses.
Is charcoal darker than dark grey?+
Yes. Charcoal is darker, with a lightness of 26% in HSL compared to Dark Grey at 66% — a 40-point gap.
Are charcoal and dark grey the same color?+
No. Charcoal is #36454F and Dark Grey is #A9A9A9. They differ by 156° in hue, 40% in lightness, and 19% in saturation.
Which is more saturated, charcoal or dark grey?+
Charcoal is more saturated. In HSL, Charcoal has 19% saturation and Dark Grey has 0% — Charcoal is the more vivid of the two, while Dark Grey reads as more muted.
Is charcoal warm or cool?+
Charcoal (#36454F) is a cool blue. Its hue sits at 204° on the color wheel, which places it in the cool range.
Is dark grey warm or cool?+
Dark Grey (#A9A9A9) is a neutral gray. Its hue sits at 0° on the color wheel, which places it in the neutral range.
Can you use charcoal and dark grey together?+
Yes. Charcoal (blue) and Dark Grey (gray) can work as a complementary or analogous pair. Use one as the dominant tone and the other as a 10–20% accent to keep the palette balanced.
What color family does charcoal belong to?+
Charcoal belongs to the blue family. Its HSL is 204°, 19%, 26% — a cool tone within the broader blue group.
What is the hex code for charcoal?+
The hex code for Charcoal is #36454F. In RGB, that's rgb(54, 69, 79), and in HSL it's hsl(204, 19%, 26%).
What is the hex code for dark grey?+
The hex code for Dark Grey is #A9A9A9. In RGB, that's rgb(169, 169, 169), and in HSL it's hsl(0, 0%, 66%).