#37251E
Closest named color: Dark Brown (#341C02). oklch(28.4% 0.03 42.2), rgb(55, 37, 30).
Aa
White text reads best on this color (14.52:1).
About this color
#37251E is a dark, muted brown. In OKLCH its lightness is 28%, its chroma 0.030 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.042 away. White text reads best on it, at 14.52:1.
| Hue family | Browns |
| Lightness | dark (28%) |
| Chroma | muted (0.030) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.44:1 |
| White text | 14.52:1 |
Values
| HEX | #37251E |
| RGB | rgb(55, 37, 30) |
| HSL | hsl(17, 29%, 17%) |
| OKLCH | oklch(28.4% 0.03 42.2) |
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 #37251E | 14.52:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #37251E | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #37251E text on white | 14.52:1 | AAA | Lc 101.3 | Preferred for body text |
| #37251E text on black | 1.44:1 | 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
#F8F4F3
oklch(97% 0.005 34.3)
-
Step 100
100
#F0E8E4
oklch(93.6% 0.01 48.6)
-
Step 200
200
#E5D5CF
oklch(88.4% 0.02 41.8)
-
Step 300
300
#D6BAAF
oklch(81% 0.036 42.7)
-
Step 400
400
#C09585
oklch(70.6% 0.057 41.4)
-
Step 500
500
#B07B66
oklch(63.1% 0.073 42.5)
-
Step 600
600
#9B634D
oklch(55.5% 0.08 42.2)
-
Step 700
700
#84523E
oklch(49% 0.074 42.5)
-
Step 800
800
#6C4334
oklch(42.7% 0.062 40.8)
-
Step 900
900
#57392D
oklch(37.6% 0.047 42.6)
-
Step 950
950 (this color)
#37251E
oklch(28.4% 0.03 42.2)
#37251E 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) | #29271D | 0.028 |
| Deuteranopia (no green cones) | #2E2B1E | 0.026 |
| Tritanopia (no blue cones) | #3B2223 | 0.017 |
| Achromatopsia (no color) | #292929 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37251E
#37251E
oklch(28.4% 0.03 42.2)
- #182D35
#182D35
oklch(28.3% 0.031 224.4)
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 #37251E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.042
- Chocolate Brown #411900 ΔE 0.045
- Jet #212529 ΔE 0.045
- Dark #1B2431 ΔE 0.061
- Space Cadet #2B2D42 ΔE 0.063
- Gunmetal #293241 ΔE 0.065
- Pakistan Green #283618 ΔE 0.066
- Oxford Blue #1B263B ΔE 0.070
Use #37251E 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.