#831B2E
Closest named color: Red Wine (#8C0034). oklch(40.5% 0.138 16.2), rgb(131, 27, 46).
Aa
White text reads best on this color (9.71:1).
About this color
#831B2E is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.138 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.030 away. White text reads best on it, at 9.71:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Red Wine (#8C0034) |
| Black text | 2.16:1 |
| White text | 9.71:1 |
Values
| HEX | #831B2E |
| RGB | rgb(131, 27, 46) |
| HSL | hsl(349, 66%, 31%) |
| OKLCH | oklch(40.5% 0.138 16.2) |
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 #831B2E | 9.71:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #831B2E | 2.16:1 | Fails | Lc 12.7 | Not readable |
| #831B2E text on white | 9.71:1 | AAA | Lc 91.2 | Preferred for body text |
| #831B2E text on black | 2.16:1 | Fails | Lc -11.1 | 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 800.
-
Step 50
50
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F5CECF
oklch(88.5% 0.044 16.3)
-
Step 300
300
#F0ACAF
oklch(80.9% 0.08 16.1)
-
Step 400
400
#E57D85
oklch(70.7% 0.128 16)
-
Step 500
500
#DB5766
oklch(63.2% 0.165 16.4)
-
Step 600
600
#C6364E
oklch(55.6% 0.18 16)
-
Step 700
700
#AA273F
oklch(49.1% 0.166 16)
-
Step 800
800 (this color)
#831B2E
oklch(40.5% 0.138 16.2)
-
Step 900
900
#6F232D
oklch(37.6% 0.107 16.3)
-
Step 950
950
#42161B
oklch(27.1% 0.068 16)
#831B2E 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) | #39362E | 0.152 |
| Deuteranopia (no green cones) | #534C2B | 0.140 |
| Tritanopia (no blue cones) | #900023 | 0.031 |
| Achromatopsia (no color) | #444444 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831B2E
#831B2E
oklch(40.5% 0.138 16.2)
- #005455
#005455
oklch(40.4% 0.069 196.2)
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 #831B2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Wine #8C0034 ΔE 0.030
- Wine Red #7B0323 ΔE 0.034
- Bordeaux #7B002C ΔE 0.037
- Dark Red #8B0000 ΔE 0.043
- Wine #80013F ΔE 0.045
- Brick Red #8F1402 ΔE 0.046
- Maroon #800000 ΔE 0.046
- Red Purple #820747 ΔE 0.051
Use #831B2E 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.