#4D3E37
Closest named color: Charcoal Grey (#3C4142). oklch(37.8% 0.024 46.4), rgb(77, 62, 55).
Aa
White text reads best on this color (10.19:1).
About this color
#4D3E37 is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.032 away. White text reads best on it, at 10.19:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.05:1 |
| White text | 10.19:1 |
Values
| HEX | #4D3E37 |
| RGB | rgb(77, 62, 55) |
| HSL | hsl(19, 17%, 26%) |
| OKLCH | oklch(37.8% 0.024 46.4) |
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 #4D3E37 | 10.19:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #4D3E37 | 2.05:1 | Fails | Lc 10.3 | Not readable |
| #4D3E37 text on white | 10.19:1 | AAA | Lc 93.7 | Preferred for body text |
| #4D3E37 text on black | 2.05:1 | Fails | Lc -8.9 | 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
#CBBDB7
oklch(80.8% 0.018 44.8)
-
Step 400
400
#B19B92
oklch(70.6% 0.029 43.6)
-
Step 500
500
#9D8377
oklch(63.1% 0.037 46.2)
-
Step 600
600
#886C60
oklch(55.5% 0.04 44.4)
-
Step 700
700
#735A4F
oklch(49% 0.037 45)
-
Step 800
800
#5E4A41
oklch(42.7% 0.031 45.5)
-
Step 900
900 (this color)
#4D3E37
oklch(37.8% 0.024 46.4)
-
Step 950
950
#2D2420
oklch(26.9% 0.016 45.3)
#4D3E37 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 | 0.019 |
| Deuteranopia (no green cones) | #454237 | 0.018 |
| Tritanopia (no blue cones) | #513C3C | 0.014 |
| Achromatopsia (no color) | #414141 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D3E37
#4D3E37
oklch(37.8% 0.024 46.4)
- #34454C
#34454C
oklch(37.9% 0.025 225)
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 #4D3E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.032
- Onyx #343A40 ΔE 0.049
- Purple Brown #673A3F ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.065
- Charcoal #264653 ΔE 0.068
- Mud Brown #60460F ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.074
- Dark Olive #373E02 ΔE 0.080
Use #4D3E37 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.