#81150E
Closest named color: Maroon (#800000). oklch(39.1% 0.143 29.2), rgb(129, 21, 14).
Aa
White text reads best on this color (10.25:1).
About this color
#81150E is a dark, vivid red. In OKLCH its lightness is 39%, its chroma 0.143 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Maroon (#800000), ΔE 0.018 away. White text reads best on it, at 10.25:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | vivid (0.143) |
| Temperature | warm |
| Nearest name | Maroon (#800000) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #81150E |
| RGB | rgb(129, 21, 14) |
| HSL | hsl(4, 80%, 28%) |
| OKLCH | oklch(39.1% 0.143 29.2) |
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 #81150E | 10.25:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #81150E | 2.04:1 | Fails | Lc 11.7 | Not readable |
| #81150E text on white | 10.25:1 | AAA | Lc 92.3 | Preferred for body text |
| #81150E text on black | 2.04:1 | Fails | Lc -10.2 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DE
oklch(93.6% 0.031 30.2)
-
Step 200
200
#FECBC3
oklch(88.5% 0.059 28.6)
-
Step 300
300
#FEA698
oklch(80.9% 0.107 29.5)
-
Step 400
400
#F9705E
oklch(70.7% 0.171 29.6)
-
Step 500
500
#F13B2D
oklch(63% 0.22 29.2)
-
Step 600
600
#D90000
oklch(55.6% 0.228 29.2)
-
Step 700
700
#B80000
oklch(49.1% 0.202 29.2)
-
Step 800
800
#980000
oklch(42.7% 0.175 29.2)
-
Step 900
900 (this color)
#81150E
oklch(39.1% 0.143 29.2)
-
Step 950
950
#490D08
oklch(26.9% 0.091 29.3)
#81150E 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) | #39320B | 0.154 |
| Deuteranopia (no green cones) | #534907 | 0.140 |
| Tritanopia (no blue cones) | #8F0015 | 0.032 |
| Achromatopsia (no color) | #414141 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81150E
#81150E
oklch(39.1% 0.143 29.2)
- #004F59
#004F59
oklch(39.2% 0.068 209.4)
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 #81150E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Maroon #800000 ΔE 0.018
- Dark Red #8B0000 ΔE 0.022
- Brick Red #8F1402 ΔE 0.031
- Blood #770001 ΔE 0.034
- Wine Red #7B0323 ΔE 0.037
- Chestnut #742802 ΔE 0.040
- Reddy Brown #6E1005 ΔE 0.045
- Blood Red #980002 ΔE 0.048
Use #81150E 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.