#251B0C
Closest named color: Dark Brown (#341C02). oklch(23% 0.03 76.5), rgb(37, 27, 12).
Aa
White text reads best on this color (16.92:1).
About this color
#251B0C is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.030 and its hue 76°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.035 away. White text reads best on it, at 16.92:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.030) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.24:1 |
| White text | 16.92:1 |
Values
| HEX | #251B0C |
| RGB | rgb(37, 27, 12) |
| HSL | hsl(36, 51%, 10%) |
| OKLCH | oklch(23% 0.03 76.5) |
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 #251B0C | 16.92:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #251B0C | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #251B0C text on white | 16.92:1 | AAA | Lc 103.8 | Preferred for body text |
| #251B0C text on black | 1.24:1 | 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
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#EEE9E2
oklch(93.6% 0.011 76.6)
-
Step 200
200
#E1D8CB
oklch(88.6% 0.02 77.3)
-
Step 300
300
#CEBEA8
oklch(80.9% 0.035 75.9)
-
Step 400
400
#B59C79
oklch(70.6% 0.057 75.9)
-
Step 500
500
#A38456
oklch(63.2% 0.073 76.7)
-
Step 600
600
#8E6D3B
oklch(55.7% 0.079 76.3)
-
Step 700
700
#785B2D
oklch(49.1% 0.073 77.2)
-
Step 800
800
#624A26
oklch(42.6% 0.061 76)
-
Step 900
900
#503E24
oklch(37.7% 0.047 75.7)
-
Step 950
950 (this color)
#251B0C
oklch(23% 0.03 76.5)
#251B0C 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) | #1F1B0B | 0.013 |
| Deuteranopia (no green cones) | #211E0C | 0.013 |
| Tritanopia (no blue cones) | #291817 | 0.026 |
| Achromatopsia (no color) | #1D1D1D | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #251B0C
#251B0C
oklch(23% 0.03 76.5)
- #141D2B
#141D2B
oklch(22.9% 0.03 259)
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 #251B0C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.035
- Jet #212529 ΔE 0.051
- Chocolate Brown #411900 ΔE 0.062
- Dark #1B2431 ΔE 0.064
- Rich Black #0D1B2A ΔE 0.067
- Deep Brown #410200 ΔE 0.077
- Dark Maroon #3C0008 ΔE 0.078
- Dark Forest Green #002D04 ΔE 0.082
Use #251B0C 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.