#331F09
Closest named color: Dark Brown (#341C02). oklch(26% 0.046 65.7), rgb(51, 31, 9).
Aa
White text reads best on this color (15.66:1).
About this color
#331F09 is a dark, muted brown. In OKLCH its lightness is 26%, its chroma 0.046 and its hue 66°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.010 away. White text reads best on it, at 15.66:1.
| Hue family | Browns |
| Lightness | dark (26%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.34:1 |
| White text | 15.66:1 |
Values
| HEX | #331F09 |
| RGB | rgb(51, 31, 9) |
| HSL | hsl(31, 70%, 12%) |
| OKLCH | oklch(26% 0.046 65.7) |
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 #331F09 | 15.66:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #331F09 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #331F09 text on white | 15.66:1 | AAA | Lc 102.5 | Preferred for body text |
| #331F09 text on black | 1.34:1 | 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
#F9F5F0
oklch(97.2% 0.008 73.7)
-
Step 100
100
#F1E8DF
oklch(93.6% 0.016 67.6)
-
Step 200
200
#E8D6C5
oklch(88.6% 0.03 65.8)
-
Step 300
300
#DABA9C
oklch(80.9% 0.055 65.1)
-
Step 400
400
#C69665
oklch(70.8% 0.087 66.2)
-
Step 500
500
#B77A38
oklch(63% 0.111 65.3)
-
Step 600
600
#A2620A
oklch(55.5% 0.121 65.6)
-
Step 700
700
#8A5200
oklch(49.2% 0.11 66)
-
Step 800
800
#714304
oklch(42.8% 0.093 66)
-
Step 900
900
#5B3910
oklch(37.7% 0.072 66.8)
-
Step 950
950 (this color)
#331F09
oklch(26% 0.046 65.7)
#331F09 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) | #252107 | 0.030 |
| Deuteranopia (no green cones) | #2A2509 | 0.026 |
| Tritanopia (no blue cones) | #381A1A | 0.036 |
| Achromatopsia (no color) | #232323 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331F09
#331F09
oklch(26% 0.046 65.7)
- #0F2639
#0F2639
oklch(26% 0.046 245.8)
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 #331F09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.010
- Chocolate Brown #411900 ΔE 0.032
- Jet #212529 ΔE 0.056
- Deep Brown #410200 ΔE 0.066
- Mahogany #4A0100 ΔE 0.073
- Dark #1B2431 ΔE 0.073
- Pakistan Green #283618 ΔE 0.074
- Dark Maroon #3C0008 ΔE 0.075
Use #331F09 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.