#37231C
Closest named color: Dark Brown (#341C02). oklch(27.9% 0.033 40.1), rgb(55, 35, 28).
Aa
White text reads best on this color (14.79:1).
About this color
#37231C is a dark, muted brown. In OKLCH its lightness is 28%, its chroma 0.033 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.037 away. White text reads best on it, at 14.79:1.
| Hue family | Browns |
| Lightness | dark (28%) |
| Chroma | muted (0.033) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.41:1 |
| White text | 14.79:1 |
Values
| HEX | #37231C |
| RGB | rgb(55, 35, 28) |
| HSL | hsl(16, 33%, 16%) |
| OKLCH | oklch(27.9% 0.033 40.1) |
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 #37231C | 14.79:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #37231C | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #37231C text on white | 14.79:1 | AAA | Lc 101.6 | Preferred for body text |
| #37231C text on black | 1.41:1 | 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 950.
-
Step 50
50
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F1E7E4
oklch(93.5% 0.012 37.4)
-
Step 200
200
#E7D5CE
oklch(88.6% 0.022 42.6)
-
Step 300
300
#D8B9AE
oklch(81% 0.039 40.5)
-
Step 400
400
#C49483
oklch(70.8% 0.063 40.4)
-
Step 500
500
#B47964
oklch(63.2% 0.081 40.4)
-
Step 600
600
#9F614B
oklch(55.6% 0.088 40.2)
-
Step 700
700
#88503C
oklch(49.1% 0.082 40.3)
-
Step 800
800
#6F4232
oklch(42.8% 0.068 40.3)
-
Step 900
900
#5A382C
oklch(37.8% 0.053 40.2)
-
Step 950
950 (this color)
#37231C
oklch(27.9% 0.033 40.1)
#37231C 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) | #28251B | 0.031 |
| Deuteranopia (no green cones) | #2D291C | 0.027 |
| Tritanopia (no blue cones) | #3C2021 | 0.018 |
| Achromatopsia (no color) | #282828 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37231C
#37231C
oklch(27.9% 0.033 40.1)
- #142D34
#142D34
oklch(28% 0.033 218.2)
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 #37231C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.037
- Chocolate Brown #411900 ΔE 0.040
- Jet #212529 ΔE 0.045
- Dark #1B2431 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.067
- Gunmetal #293241 ΔE 0.070
- Pakistan Green #283618 ΔE 0.070
- Oxford Blue #1B263B ΔE 0.071
Use #37231C 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.