#4C3E37
Closest named color: Charcoal Grey (#3C4142). oklch(37.6% 0.023 48.1), rgb(76, 62, 55).
Aa
White text reads best on this color (10.23:1).
About this color
#4C3E37 is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.030 away. White text reads best on it, at 10.23:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.05:1 |
| White text | 10.23:1 |
Values
| HEX | #4C3E37 |
| RGB | rgb(76, 62, 55) |
| HSL | hsl(20, 16%, 26%) |
| OKLCH | oklch(37.6% 0.023 48.1) |
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 #4C3E37 | 10.23:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #4C3E37 | 2.05:1 | Fails | Lc 10.2 | Not readable |
| #4C3E37 text on white | 10.23:1 | AAA | Lc 93.8 | Preferred for body text |
| #4C3E37 text on black | 2.05:1 | Fails | Lc -8.8 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE9E7
oklch(93.7% 0.005 48.7)
-
Step 200
200
#DFD7D4
oklch(88.5% 0.01 41.9)
-
Step 300
300
#CABEB7
oklch(80.9% 0.017 52.5)
-
Step 400
400
#B09C92
oklch(70.7% 0.028 48.3)
-
Step 500
500
#9C8477
oklch(63.2% 0.035 50.1)
-
Step 600
600
#876D60
oklch(55.6% 0.039 48)
-
Step 700
700
#725B4F
oklch(49.1% 0.036 49)
-
Step 800
800
#5D4A41
oklch(42.6% 0.03 46.7)
-
Step 900
900 (this color)
#4C3E37
oklch(37.6% 0.023 48.1)
-
Step 950
950
#2D2420
oklch(26.9% 0.016 45.3)
#4C3E37 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) | #423F37 | 0.018 |
| Deuteranopia (no green cones) | #454237 | 0.017 |
| Tritanopia (no blue cones) | #503C3C | 0.014 |
| Achromatopsia (no color) | #414141 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C3E37
#4C3E37
oklch(37.6% 0.023 48.1)
- #35444B
#35444B
oklch(37.6% 0.023 228)
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 #4C3E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.030
- Onyx #343A40 ΔE 0.047
- Purple Brown #673A3F ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.064
- Charcoal #264653 ΔE 0.067
- Mud Brown #60460F ΔE 0.069
- Dark Grey Blue #29465B ΔE 0.073
- Dark Blue Grey #1F3B4D ΔE 0.079
Use #4C3E37 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.