#331C13
Closest named color: Dark Brown (#341C02). oklch(25.5% 0.04 42), rgb(51, 28, 19).
Aa
White text reads best on this color (15.95:1).
About this color
#331C13 is a dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.040 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.023 away. White text reads best on it, at 15.95:1.
| Hue family | Browns |
| Lightness | dark (25%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.31:1 |
| White text | 15.95:1 |
Values
| HEX | #331C13 |
| RGB | rgb(51, 28, 19) |
| HSL | hsl(17, 46%, 14%) |
| OKLCH | oklch(25.5% 0.04 42) |
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 #331C13 | 15.95:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #331C13 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #331C13 text on white | 15.95:1 | AAA | Lc 102.8 | Preferred for body text |
| #331C13 text on black | 1.31:1 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E7E3
oklch(93.6% 0.013 41.2)
-
Step 200
200
#E9D4CC
oklch(88.5% 0.026 42.1)
-
Step 300
300
#DCB7A9
oklch(80.8% 0.047 41.8)
-
Step 400
400
#CA917B
oklch(70.7% 0.076 42)
-
Step 500
500
#BB755A
oklch(63.1% 0.097 41.8)
-
Step 600
600
#A65D3F
oklch(55.6% 0.105 42.6)
-
Step 700
700
#8E4C31
oklch(49.1% 0.098 42.4)
-
Step 800
800
#743F2A
oklch(42.8% 0.081 42)
-
Step 900
900
#5E3626
oklch(37.8% 0.063 42.3)
-
Step 950
950 (this color)
#331C13
oklch(25.5% 0.04 42)
#331C13 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) | #221F12 | 0.037 |
| Deuteranopia (no green cones) | #272413 | 0.035 |
| Tritanopia (no blue cones) | #38181A | 0.022 |
| Achromatopsia (no color) | #222222 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331C13
#331C13
oklch(25.5% 0.04 42)
- #082731
#082731
oklch(25.5% 0.04 223.2)
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 #331C13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.023
- Chocolate Brown #411900 ΔE 0.036
- Jet #212529 ΔE 0.049
- Deep Brown #410200 ΔE 0.058
- Dark Maroon #3C0008 ΔE 0.063
- Dark #1B2431 ΔE 0.065
- Mahogany #4A0100 ΔE 0.066
- Oxford Blue #1B263B ΔE 0.079
Use #331C13 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.