#331A18
Closest named color: Dark Brown (#341C02). oklch(25.2% 0.04 25.2), rgb(51, 26, 24).
Aa
White text reads best on this color (16.13:1).
About this color
#331A18 is a dark, muted red. In OKLCH its lightness is 25%, its chroma 0.040 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.034 away. White text reads best on it, at 16.13:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.30:1 |
| White text | 16.13:1 |
Values
| HEX | #331A18 |
| RGB | rgb(51, 26, 24) |
| HSL | hsl(4, 36%, 15%) |
| OKLCH | oklch(25.2% 0.04 25.2) |
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 #331A18 | 16.13:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #331A18 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #331A18 text on white | 16.13:1 | AAA | Lc 103.0 | Preferred for body text |
| #331A18 text on black | 1.30:1 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E7E5
oklch(93.7% 0.013 28.9)
-
Step 200
200
#EAD3D0
oklch(88.5% 0.026 26.6)
-
Step 300
300
#DEB5B1
oklch(80.8% 0.048 24.7)
-
Step 400
400
#CC8E88
oklch(70.6% 0.077 25.3)
-
Step 500
500
#BD716B
oklch(63% 0.097 25)
-
Step 600
600
#A95853
oklch(55.6% 0.107 24.8)
-
Step 700
700
#904843
oklch(49% 0.098 25.4)
-
Step 800
800
#753C38
oklch(42.7% 0.081 25.2)
-
Step 900
900
#5F3330
oklch(37.6% 0.064 24.7)
-
Step 950
950 (this color)
#331A18
oklch(25.2% 0.04 25.2)
#331A18 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) | #1F1E18 | 0.043 |
| Deuteranopia (no green cones) | #262318 | 0.038 |
| Tritanopia (no blue cones) | #38171A | 0.015 |
| Achromatopsia (no color) | #212121 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331A18
#331A18
oklch(25.2% 0.04 25.2)
- #03272B
#03272B
oklch(25% 0.04 205.8)
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 #331A18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.034
- Chocolate Brown #411900 ΔE 0.043
- Jet #212529 ΔE 0.049
- Deep Brown #410200 ΔE 0.056
- Dark Maroon #3C0008 ΔE 0.057
- Dark #1B2431 ΔE 0.062
- Mahogany #4A0100 ΔE 0.065
- Oxford Blue #1B263B ΔE 0.075
Use #331A18 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.