#31191A
Closest named color: Dark Brown (#341C02). oklch(24.7% 0.039 17.6), rgb(49, 25, 26).
Aa
White text reads best on this color (16.34:1).
About this color
#31191A is a very dark, muted red. In OKLCH its lightness is 25%, its chroma 0.039 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.040 away. White text reads best on it, at 16.34:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.28:1 |
| White text | 16.34:1 |
Values
| HEX | #31191A |
| RGB | rgb(49, 25, 26) |
| HSL | hsl(357, 32%, 15%) |
| OKLCH | oklch(24.7% 0.039 17.6) |
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 #31191A | 16.34:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #31191A | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #31191A text on white | 16.34:1 | AAA | Lc 103.2 | Preferred for body text |
| #31191A text on black | 1.28:1 | 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
#F3E7E6
oklch(93.7% 0.013 23.2)
-
Step 200
200
#EAD3D3
oklch(88.6% 0.026 17.6)
-
Step 300
300
#DDB5B6
oklch(80.9% 0.046 16.5)
-
Step 400
400
#CA8E90
oklch(70.6% 0.073 16.9)
-
Step 500
500
#BB7274
oklch(63.1% 0.093 18.2)
-
Step 600
600
#A6595D
oklch(55.6% 0.101 17.6)
-
Step 700
700
#8E494D
oklch(49.1% 0.093 17.4)
-
Step 800
800
#743C3F
oklch(42.8% 0.078 17.5)
-
Step 900
900
#5E3435
oklch(37.8% 0.061 18.8)
-
Step 950
950 (this color)
#31191A
oklch(24.7% 0.039 17.6)
#31191A 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) | #1E1D1A | 0.041 |
| Deuteranopia (no green cones) | #24221A | 0.039 |
| Tritanopia (no blue cones) | #351619 | 0.011 |
| Achromatopsia (no color) | #202020 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31191A
#31191A
oklch(24.7% 0.039 17.6)
- #042627
#042627
oklch(24.5% 0.038 197.8)
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 #31191A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.040
- Jet #212529 ΔE 0.048
- Chocolate Brown #411900 ΔE 0.050
- Dark Maroon #3C0008 ΔE 0.056
- Deep Brown #410200 ΔE 0.058
- Dark #1B2431 ΔE 0.059
- Mahogany #4A0100 ΔE 0.068
- Oxford Blue #1B263B ΔE 0.072
Use #31191A 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.