#81131D
Closest named color: Maroon (#800000). oklch(39.1% 0.143 23.1), rgb(129, 19, 29).
Aa
White text reads best on this color (10.27:1).
About this color
#81131D is a dark, vivid red. In OKLCH its lightness is 39%, its chroma 0.143 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Maroon (#800000), ΔE 0.025 away. White text reads best on it, at 10.27:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | vivid (0.143) |
| Temperature | warm |
| Nearest name | Maroon (#800000) |
| Black text | 2.04:1 |
| White text | 10.27:1 |
Values
| HEX | #81131D |
| RGB | rgb(129, 19, 29) |
| HSL | hsl(355, 74%, 29%) |
| OKLCH | oklch(39.1% 0.143 23.1) |
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 #81131D | 10.27:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #81131D | 2.04:1 | Fails | Lc 11.7 | Not readable |
| #81131D text on white | 10.27:1 | AAA | Lc 92.3 | Preferred for body text |
| #81131D text on black | 2.04:1 | Fails | Lc -10.1 | 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 900.
-
Step 50
50
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FEE2E0
oklch(93.5% 0.031 22.6)
-
Step 200
200
#FECAC7
oklch(88.4% 0.06 22.2)
-
Step 300
300
#FFA5A0
oklch(81% 0.108 23.2)
-
Step 400
400
#F96E6C
oklch(70.7% 0.171 23.3)
-
Step 500
500
#F13845
oklch(63% 0.219 22.9)
-
Step 600
600
#D8002C
oklch(55.7% 0.225 23.1)
-
Step 700
700
#B70023
oklch(49.2% 0.199 23.2)
-
Step 800
800
#97001C
oklch(42.7% 0.172 22.9)
-
Step 900
900 (this color)
#81131D
oklch(39.1% 0.143 23.1)
-
Step 950
950
#490C10
oklch(26.9% 0.091 22.5)
#81131D 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) | #37321C | 0.157 |
| Deuteranopia (no green cones) | #524919 | 0.143 |
| Tritanopia (no blue cones) | #8F0018 | 0.029 |
| Achromatopsia (no color) | #414141 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81131D
#81131D
oklch(39.1% 0.143 23.1)
- #005055
#005055
oklch(39.3% 0.067 202.1)
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 #81131D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Maroon #800000 ΔE 0.025
- Wine Red #7B0323 ΔE 0.026
- Dark Red #8B0000 ΔE 0.028
- Bordeaux #7B002C ΔE 0.036
- Blood #770001 ΔE 0.037
- Brick Red #8F1402 ΔE 0.038
- Red Wine #8C0034 ΔE 0.042
- Reddy Brown #6E1005 ΔE 0.049
Use #81131D 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.