#331F1D
Closest named color: Dark Brown (#341C02). oklch(26.4% 0.032 25.7), rgb(51, 31, 29).
Aa
White text reads best on this color (15.50:1).
About this color
#331F1D is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.032 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.037 away. White text reads best on it, at 15.50:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.032) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.35:1 |
| White text | 15.50:1 |
Values
| HEX | #331F1D |
| RGB | rgb(51, 31, 29) |
| HSL | hsl(5, 28%, 16%) |
| OKLCH | oklch(26.4% 0.032 25.7) |
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 #331F1D | 15.50:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #331F1D | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #331F1D text on white | 15.50:1 | AAA | Lc 102.4 | Preferred for body text |
| #331F1D text on black | 1.35:1 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E6
oklch(93.6% 0.011 24.3)
-
Step 200
200
#E7D4D2
oklch(88.5% 0.021 24.8)
-
Step 300
300
#D8B8B4
oklch(80.9% 0.037 26.4)
-
Step 400
400
#C4938D
oklch(70.8% 0.06 26.6)
-
Step 500
500
#B37771
oklch(63% 0.077 25.7)
-
Step 600
600
#9F5F5A
oklch(55.6% 0.085 24.9)
-
Step 700
700
#874F4A
oklch(49.1% 0.076 25.7)
-
Step 800
800
#6E413C
oklch(42.7% 0.064 26.9)
-
Step 900
900
#593734
oklch(37.7% 0.049 25.2)
-
Step 950
950 (this color)
#331F1D
oklch(26.4% 0.032 25.7)
#331F1D 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) | #23221D | 0.033 |
| Deuteranopia (no green cones) | #28261D | 0.031 |
| Tritanopia (no blue cones) | #371D1F | 0.012 |
| Achromatopsia (no color) | #242424 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331F1D
#331F1D
oklch(26.4% 0.032 25.7)
- #10292D
#10292D
oklch(26.3% 0.032 209.1)
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 #331F1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.037
- Jet #212529 ΔE 0.039
- Chocolate Brown #411900 ΔE 0.045
- Dark #1B2431 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.065
- Deep Brown #410200 ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.069
- Dark Maroon #3C0008 ΔE 0.071
Use #331F1D 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.