#331B0B
Closest named color: Dark Brown (#341C02). oklch(25.1% 0.046 52.7), rgb(51, 27, 11).
Aa
White text reads best on this color (16.12:1).
About this color
#331B0B is a dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.046 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.013 away. White text reads best on it, at 16.12:1.
| Hue family | Browns |
| Lightness | dark (25%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.30:1 |
| White text | 16.12:1 |
Values
| HEX | #331B0B |
| RGB | rgb(51, 27, 11) |
| HSL | hsl(24, 65%, 12%) |
| OKLCH | oklch(25.1% 0.046 52.7) |
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 #331B0B | 16.12:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #331B0B | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #331B0B text on white | 16.12:1 | AAA | Lc 102.9 | Preferred for body text |
| #331B0B 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E0
oklch(93.6% 0.016 52.6)
-
Step 200
200
#EAD4C7
oklch(88.4% 0.03 52.7)
-
Step 300
300
#DEB8A0
oklch(81% 0.055 54)
-
Step 400
400
#CC916D
oklch(70.6% 0.087 52.2)
-
Step 500
500
#BE7545
oklch(63.1% 0.112 52.7)
-
Step 600
600
#A95C24
oklch(55.5% 0.121 52.8)
-
Step 700
700
#914B16
oklch(49% 0.113 52.5)
-
Step 800
800
#763E16
oklch(42.7% 0.094 52.3)
-
Step 900
900
#5F3519
oklch(37.6% 0.073 52.3)
-
Step 950
950 (this color)
#331B0B
oklch(25.1% 0.046 52.7)
#331B0B 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) | #221E09 | 0.038 |
| Deuteranopia (no green cones) | #28230B | 0.034 |
| Tritanopia (no blue cones) | #381617 | 0.029 |
| Achromatopsia (no color) | #212121 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331B0B
#331B0B
oklch(25.1% 0.046 52.7)
- #052534
#052534
oklch(25% 0.046 233.1)
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 #331B0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.013
- Chocolate Brown #411900 ΔE 0.032
- Deep Brown #410200 ΔE 0.056
- Jet #212529 ΔE 0.057
- Dark Maroon #3C0008 ΔE 0.063
- Mahogany #4A0100 ΔE 0.065
- Dark #1B2431 ΔE 0.073
- Pakistan Green #283618 ΔE 0.087
Use #331B0B 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.