#4C3237
Closest named color: Onyx (#343A40). oklch(34.9% 0.038 6.6), rgb(76, 50, 55).
Aa
White text reads best on this color (11.54:1).
About this color
#4C3237 is a dark, muted red. In OKLCH its lightness is 35%, its chroma 0.038 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.046 away. White text reads best on it, at 11.54:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | muted (0.038) |
| Temperature | warm |
| Nearest name | Onyx (#343A40) |
| Black text | 1.81:1 |
| White text | 11.54:1 |
Values
| HEX | #4C3237 |
| RGB | rgb(76, 50, 55) |
| HSL | hsl(348, 21%, 25%) |
| OKLCH | oklch(34.9% 0.038 6.6) |
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 #4C3237 | 11.54:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #4C3237 | 1.81:1 | Fails | Lc 7.4 | Not readable |
| #4C3237 text on white | 11.54:1 | AAA | Lc 96.5 | Preferred for body text |
| #4C3237 text on black | 1.81:1 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE8E9
oklch(93.7% 0.008 7.3)
-
Step 200
200
#E3D5D7
oklch(88.5% 0.016 7.5)
-
Step 300
300
#D2B9BD
oklch(80.8% 0.029 6.8)
-
Step 400
400
#BB959C
oklch(70.7% 0.046 6)
-
Step 500
500
#A97B83
oklch(63.1% 0.058 7.3)
-
Step 600
600
#94646D
oklch(55.7% 0.063 7)
-
Step 700
700
#7E525B
oklch(49% 0.06 6.1)
-
Step 800
800
#67444A
oklch(42.8% 0.049 8.1)
-
Step 900
900 (this color)
#4C3237
oklch(34.9% 0.038 6.6)
-
Step 950
950
#312224
oklch(27.1% 0.023 9.8)
#4C3237 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) | #363637 | 0.042 |
| Deuteranopia (no green cones) | #3C3B36 | 0.040 |
| Tritanopia (no blue cones) | #513034 | 0.011 |
| Achromatopsia (no color) | #393939 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C3237
#4C3237
oklch(34.9% 0.038 6.6)
- #21413E
#21413E
oklch(35% 0.038 187.8)
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 #4C3237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.050
- Purple Brown #673A3F ΔE 0.061
- Gunmetal #293241 ΔE 0.064
- Space Cadet #2B2D42 ΔE 0.069
- Dark Blue Grey #1F3B4D ΔE 0.077
- Charcoal #264653 ΔE 0.082
- Dark Grey Blue #29465B ΔE 0.085
Use #4C3237 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.