#331B0F
Closest named color: Dark Brown (#341C02). oklch(25.2% 0.044 46.7), rgb(51, 27, 15).
Aa
White text reads best on this color (16.09:1).
About this color
#331B0F is a dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.044 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.018 away. White text reads best on it, at 16.09:1.
| Hue family | Browns |
| Lightness | dark (25%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.30:1 |
| White text | 16.09:1 |
Values
| HEX | #331B0F |
| RGB | rgb(51, 27, 15) |
| HSL | hsl(20, 55%, 13%) |
| OKLCH | oklch(25.2% 0.044 46.7) |
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 #331B0F | 16.09:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #331B0F | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #331B0F text on white | 16.09:1 | AAA | Lc 102.9 | Preferred for body text |
| #331B0F text on black | 1.30:1 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EAD4C9
oklch(88.5% 0.029 48.4)
-
Step 300
300
#DEB7A5
oklch(80.9% 0.052 46.1)
-
Step 400
400
#CC9174
oklch(70.7% 0.083 47.1)
-
Step 500
500
#BD7450
oklch(63% 0.105 46.5)
-
Step 600
600
#A95C33
oklch(55.7% 0.115 47.1)
-
Step 700
700
#914B26
oklch(49.2% 0.107 46.6)
-
Step 800
800
#753E21
oklch(42.7% 0.087 47)
-
Step 900
900
#5F3520
oklch(37.7% 0.069 46.5)
-
Step 950
950 (this color)
#331B0F
oklch(25.2% 0.044 46.7)
#331B0F 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) | #211E0E | 0.039 |
| Deuteranopia (no green cones) | #27230F | 0.035 |
| Tritanopia (no blue cones) | #381718 | 0.024 |
| Achromatopsia (no color) | #212121 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331B0F
#331B0F
oklch(25.2% 0.044 46.7)
- #052632
#052632
oklch(25.2% 0.043 226.7)
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 #331B0F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.018
- Chocolate Brown #411900 ΔE 0.034
- Jet #212529 ΔE 0.053
- Deep Brown #410200 ΔE 0.056
- Dark Maroon #3C0008 ΔE 0.061
- Mahogany #4A0100 ΔE 0.064
- Dark #1B2431 ΔE 0.069
- Oxford Blue #1B263B ΔE 0.084
Use #331B0F 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.