#4C4239
Closest named color: Charcoal Grey (#3C4142). oklch(38.6% 0.02 64.2), rgb(76, 66, 57).
Aa
White text reads best on this color (9.78:1).
About this color
#4C4239 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.031 away. White text reads best on it, at 9.78:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.14:1 |
| White text | 9.78:1 |
Values
| HEX | #4C4239 |
| RGB | rgb(76, 66, 57) |
| HSL | hsl(28, 14%, 26%) |
| OKLCH | oklch(38.6% 0.02 64.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4C4239 | 9.78:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #4C4239 | 2.14:1 | Fails | Lc 11.2 | Not readable |
| #4C4239 text on white | 9.78:1 | AAA | Lc 92.7 | Preferred for body text |
| #4C4239 text on black | 2.14:1 | Fails | Lc -9.7 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#ECE9E7
oklch(93.6% 0.004 56.4)
-
Step 200
200
#DDD8D3
oklch(88.5% 0.009 67.7)
-
Step 300
300
#C8BFB7
oklch(81% 0.015 64.3)
-
Step 400
400
#AC9E91
oklch(70.8% 0.025 65.3)
-
Step 500
500
#978676
oklch(63.1% 0.031 65.5)
-
Step 600
600
#82705F
oklch(55.7% 0.034 65.4)
-
Step 700
700
#6E5D4E
oklch(49.1% 0.032 63.4)
-
Step 800
800
#594C40
oklch(42.6% 0.026 64.8)
-
Step 900
900 (this color)
#4C4239
oklch(38.6% 0.02 64.2)
-
Step 950
950
#2B2520
oklch(26.9% 0.013 62.1)
#4C4239 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #454238 | 0.012 |
| Deuteranopia (no green cones) | #484539 | 0.011 |
| Tritanopia (no blue cones) | #50403F | 0.015 |
| Achromatopsia (no color) | #444444 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C4239
#4C4239
oklch(38.6% 0.02 64.2)
- #3B454E
#3B454E
oklch(38.5% 0.02 245.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4C4239, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.031
- Onyx #343A40 ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.056
- Purple Brown #673A3F ΔE 0.057
- Mud Brown #60460F ΔE 0.064
- Charcoal #264653 ΔE 0.064
- Dark Grey Blue #29465B ΔE 0.071
- Green Brown #544E03 ΔE 0.078
Use #4C4239 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.