#4D372B
Closest named color: Charcoal Grey (#3C4142). oklch(35.8% 0.037 49.7), rgb(77, 55, 43).
Aa
White text reads best on this color (11.07:1).
About this color
#4D372B is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.037 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.046 away. White text reads best on it, at 11.07:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.89:1 |
| White text | 11.07:1 |
Values
| HEX | #4D372B |
| RGB | rgb(77, 55, 43) |
| HSL | hsl(21, 28%, 24%) |
| OKLCH | oklch(35.8% 0.037 49.7) |
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 #4D372B | 11.07:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #4D372B | 1.89:1 | Fails | Lc 8.3 | Not readable |
| #4D372B text on white | 11.07:1 | AAA | Lc 95.6 | Preferred for body text |
| #4D372B text on black | 1.89:1 | Fails | Lc 0.0 | 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E5
oklch(93.6% 0.009 44.9)
-
Step 200
200
#E2D6D0
oklch(88.4% 0.016 48.5)
-
Step 300
300
#D0BCB1
oklch(80.9% 0.028 50.8)
-
Step 400
400
#B99988
oklch(70.7% 0.045 49.6)
-
Step 500
500
#A7806B
oklch(63.2% 0.057 49.6)
-
Step 600
600
#926952
oklch(55.7% 0.063 50.3)
-
Step 700
700
#7C5743
oklch(49.1% 0.058 49.3)
-
Step 800
800
#654737
oklch(42.7% 0.049 49.1)
-
Step 900
900 (this color)
#4D372B
oklch(35.8% 0.037 49.7)
-
Step 950
950
#30231C
oklch(26.9% 0.024 49.6)
#4D372B 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) | #3D392A | 0.030 |
| Deuteranopia (no green cones) | #423E2B | 0.029 |
| Tritanopia (no blue cones) | #533334 | 0.025 |
| Achromatopsia (no color) | #3C3C3C | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D372B
#4D372B
oklch(35.8% 0.037 49.7)
- #27414D
#27414D
oklch(36% 0.038 228.9)
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 #4D372B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.046
- Onyx #343A40 ΔE 0.052
- Purple Brown #673A3F ΔE 0.062
- Mud Brown #60460F ΔE 0.073
- Dark Olive #373E02 ΔE 0.073
- Pakistan Green #283618 ΔE 0.075
- Gunmetal #293241 ΔE 0.078
- Charcoal #264653 ΔE 0.083
Use #4D372B 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.