#331F10
Closest named color: Dark Brown (#341C02). oklch(26.1% 0.04 56.8), rgb(51, 31, 16).
Aa
White text reads best on this color (15.62:1).
About this color
#331F10 is a dark, muted brown. In OKLCH its lightness is 26%, its chroma 0.040 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.017 away. White text reads best on it, at 15.62:1.
| Hue family | Browns |
| Lightness | dark (26%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.34:1 |
| White text | 15.62:1 |
Values
| HEX | #331F10 |
| RGB | rgb(51, 31, 16) |
| HSL | hsl(26, 52%, 13%) |
| OKLCH | oklch(26.1% 0.04 56.8) |
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 #331F10 | 15.62:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #331F10 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #331F10 text on white | 15.62:1 | AAA | Lc 102.5 | Preferred for body text |
| #331F10 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F1E8E1
oklch(93.6% 0.014 60.6)
-
Step 200
200
#E7D5C9
oklch(88.4% 0.026 56)
-
Step 300
300
#D9B9A3
oklch(80.8% 0.048 56.5)
-
Step 400
400
#C59572
oklch(70.7% 0.075 57.3)
-
Step 500
500
#B67A4C
oklch(63.2% 0.097 57.3)
-
Step 600
600
#A1622F
oklch(55.6% 0.105 57.1)
-
Step 700
700
#8A5021
oklch(49% 0.099 56.4)
-
Step 800
800
#70421D
oklch(42.7% 0.082 56.8)
-
Step 900
900
#5B381E
oklch(37.7% 0.063 56)
-
Step 950
950 (this color)
#331F10
oklch(26.1% 0.04 56.8)
#331F10 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) | #25210F | 0.030 |
| Deuteranopia (no green cones) | #2A2510 | 0.026 |
| Tritanopia (no blue cones) | #381B1B | 0.027 |
| Achromatopsia (no color) | #232323 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331F10
#331F10
oklch(26.1% 0.04 56.8)
- #0F2735
#0F2735
oklch(26.1% 0.04 236.6)
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 #331F10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.017
- Chocolate Brown #411900 ΔE 0.034
- Jet #212529 ΔE 0.049
- Deep Brown #410200 ΔE 0.065
- Dark #1B2431 ΔE 0.067
- Mahogany #4A0100 ΔE 0.071
- Dark Maroon #3C0008 ΔE 0.072
- Pakistan Green #283618 ΔE 0.076
Use #331F10 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.