#331B05
Closest named color: Dark Brown (#341C02). oklch(25% 0.051 60.1), rgb(51, 27, 5).
Aa
White text reads best on this color (16.15:1).
About this color
#331B05 is a dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.051 and its hue 60°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.006 away. White text reads best on it, at 16.15:1.
| Hue family | Browns |
| Lightness | dark (25%) |
| Chroma | muted (0.051) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.29:1 |
| White text | 16.15:1 |
Values
| HEX | #331B05 |
| RGB | rgb(51, 27, 5) |
| HSL | hsl(29, 82%, 11%) |
| OKLCH | oklch(25% 0.051 60.1) |
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 #331B05 | 16.15:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #331B05 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #331B05 text on white | 16.15:1 | AAA | Lc 103.0 | Preferred for body text |
| #331B05 text on black | 1.29:1 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F3E7DF
oklch(93.5% 0.017 56.2)
-
Step 200
200
#EAD5C4
oklch(88.6% 0.033 61.4)
-
Step 300
300
#DEB89A
oklch(80.8% 0.06 60.1)
-
Step 400
400
#CD9261
oklch(70.7% 0.097 60)
-
Step 500
500
#BF7631
oklch(63.2% 0.123 60.5)
-
Step 600
600
#A95D00
oklch(55.5% 0.13 59.8)
-
Step 700
700
#8F4E00
oklch(49.2% 0.115 60)
-
Step 800
800
#763F00
oklch(42.7% 0.101 59.7)
-
Step 900
900
#60360C
oklch(37.8% 0.08 60.1)
-
Step 950
950 (this color)
#331B05
oklch(25% 0.051 60.1)
#331B05 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) | #221D03 | 0.038 |
| Deuteranopia (no green cones) | #282305 | 0.034 |
| Tritanopia (no blue cones) | #391616 | 0.035 |
| Achromatopsia (no color) | #212121 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331B05
#331B05
oklch(25% 0.051 60.1)
- #052437
#052437
oklch(24.9% 0.051 240.2)
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 #331B05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.006
- Chocolate Brown #411900 ΔE 0.031
- Deep Brown #410200 ΔE 0.058
- Jet #212529 ΔE 0.061
- Dark Maroon #3C0008 ΔE 0.066
- Mahogany #4A0100 ΔE 0.066
- Dark #1B2431 ΔE 0.078
- Pakistan Green #283618 ΔE 0.085
Use #331B05 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.