#331D18
Closest named color: Dark Brown (#341C02). oklch(25.8% 0.036 33.5), rgb(51, 29, 24).
Aa
White text reads best on this color (15.79:1).
About this color
#331D18 is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.036 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.030 away. White text reads best on it, at 15.79:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.32:1 |
| White text | 15.79:1 |
Values
| HEX | #331D18 |
| RGB | rgb(51, 29, 24) |
| HSL | hsl(11, 36%, 15%) |
| OKLCH | oklch(25.8% 0.036 33.5) |
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 #331D18 | 15.79:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #331D18 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #331D18 text on white | 15.79:1 | AAA | Lc 102.7 | Preferred for body text |
| #331D18 text on black | 1.32:1 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F2E7E4
oklch(93.6% 0.013 35.7)
-
Step 200
200
#E8D4CF
oklch(88.5% 0.023 34.3)
-
Step 300
300
#DBB7AF
oklch(80.9% 0.043 32.6)
-
Step 400
400
#C89185
oklch(70.7% 0.07 32.6)
-
Step 500
500
#B87666
oklch(63.1% 0.087 34.3)
-
Step 600
600
#A35D4E
oklch(55.5% 0.095 33)
-
Step 700
700
#8C4D3F
oklch(49.2% 0.088 33.5)
-
Step 800
800
#723F34
oklch(42.7% 0.074 33.1)
-
Step 900
900
#5C362D
oklch(37.7% 0.057 34.1)
-
Step 950
950 (this color)
#331D18
oklch(25.8% 0.036 33.5)
#331D18 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) | #222018 | 0.036 |
| Deuteranopia (no green cones) | #272418 | 0.032 |
| Tritanopia (no blue cones) | #381A1C | 0.017 |
| Achromatopsia (no color) | #232323 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331D18
#331D18
oklch(25.8% 0.036 33.5)
- #0B282E
#0B282E
oklch(25.8% 0.036 213.6)
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 #331D18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.030
- Chocolate Brown #411900 ΔE 0.040
- Jet #212529 ΔE 0.045
- Dark #1B2431 ΔE 0.059
- Deep Brown #410200 ΔE 0.062
- Dark Maroon #3C0008 ΔE 0.065
- Mahogany #4A0100 ΔE 0.068
- Oxford Blue #1B263B ΔE 0.072
Use #331D18 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.