#331B0C
Closest named color: Dark Brown (#341C02). oklch(25.1% 0.046 51.3), rgb(51, 27, 12).
Aa
White text reads best on this color (16.11:1).
About this color
#331B0C is a dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.046 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.014 away. White text reads best on it, at 16.11:1.
| Hue family | Browns |
| Lightness | dark (25%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.30:1 |
| White text | 16.11:1 |
Values
| HEX | #331B0C |
| RGB | rgb(51, 27, 12) |
| HSL | hsl(23, 62%, 12%) |
| OKLCH | oklch(25.1% 0.046 51.3) |
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 #331B0C | 16.11:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #331B0C | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #331B0C text on white | 16.11:1 | AAA | Lc 102.9 | Preferred for body text |
| #331B0C 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
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#EAD4C8
oklch(88.5% 0.03 50.6)
-
Step 300
300
#DEB7A1
oklch(80.8% 0.054 51.1)
-
Step 400
400
#CC916F
oklch(70.6% 0.086 50.8)
-
Step 500
500
#BE7547
oklch(63.2% 0.111 51.7)
-
Step 600
600
#A95C28
oklch(55.6% 0.12 51.5)
-
Step 700
700
#914B1A
oklch(49.1% 0.112 51.3)
-
Step 800
800
#763E19
oklch(42.7% 0.092 51)
-
Step 900
900
#5F351B
oklch(37.6% 0.072 50.8)
-
Step 950
950 (this color)
#331B0C
oklch(25.1% 0.046 51.3)
#331B0C 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) | #221E0B | 0.037 |
| Deuteranopia (no green cones) | #28230C | 0.034 |
| Tritanopia (no blue cones) | #381618 | 0.030 |
| Achromatopsia (no color) | #212121 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331B0C
#331B0C
oklch(25.1% 0.046 51.3)
- #052634
#052634
oklch(25.3% 0.045 230.6)
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 #331B0C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.014
- Chocolate Brown #411900 ΔE 0.032
- Jet #212529 ΔE 0.056
- Deep Brown #410200 ΔE 0.056
- Dark Maroon #3C0008 ΔE 0.062
- Mahogany #4A0100 ΔE 0.065
- Dark #1B2431 ΔE 0.072
- Oxford Blue #1B263B ΔE 0.087
Use #331B0C 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.