#331B00
Closest named color: Dark Brown (#341C02). oklch(24.9% 0.056 65.9), rgb(51, 27, 0).
Aa
White text reads best on this color (16.18:1).
About this color
#331B00 is a very dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.056 and its hue 66°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.005 away. White text reads best on it, at 16.18:1.
| Hue family | Browns |
| Lightness | very dark (25%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.29:1 |
| White text | 16.18:1 |
Values
| HEX | #331B00 |
| RGB | rgb(51, 27, 0) |
| HSL | hsl(32, 100%, 10%) |
| OKLCH | oklch(24.9% 0.056 65.9) |
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 #331B00 | 16.18:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #331B00 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #331B00 text on white | 16.18:1 | AAA | Lc 103.0 | Preferred for body text |
| #331B00 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
#FAF4EF
oklch(97% 0.009 62.6)
-
Step 100
100
#F3E8DD
oklch(93.7% 0.019 67.6)
-
Step 200
200
#EAD5C0
oklch(88.5% 0.037 67.3)
-
Step 300
300
#DEB994
oklch(80.9% 0.065 66.7)
-
Step 400
400
#CD9356
oklch(70.7% 0.105 66.1)
-
Step 500
500
#BF7615
oklch(63% 0.134 66)
-
Step 600
600
#A36200
oklch(55.6% 0.124 66.2)
-
Step 700
700
#8A5200
oklch(49.2% 0.11 66)
-
Step 800
800
#714200
oklch(42.6% 0.095 65.8)
-
Step 900
900
#5F3700
oklch(37.8% 0.084 66.2)
-
Step 950
950 (this color)
#331B00
oklch(24.9% 0.056 65.9)
#331B00 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) | #231D00 | 0.035 |
| Deuteranopia (no green cones) | #282300 | 0.034 |
| Tritanopia (no blue cones) | #391515 | 0.042 |
| Achromatopsia (no color) | #212121 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331B00
#331B00
oklch(24.9% 0.056 65.9)
- #06233A
#06233A
oklch(24.8% 0.055 246.5)
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 #331B00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.005
- Chocolate Brown #411900 ΔE 0.032
- Deep Brown #410200 ΔE 0.060
- Jet #212529 ΔE 0.066
- Mahogany #4A0100 ΔE 0.069
- Dark Maroon #3C0008 ΔE 0.069
- Dark #1B2431 ΔE 0.083
- Pakistan Green #283618 ΔE 0.085
Use #331B00 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.