#81103E
Closest named color: Wine (#80013F). oklch(39.7% 0.148 3.8), rgb(129, 16, 62).
Aa
White text reads best on this color (10.11:1).
About this color
#81103E is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.148 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Wine (#80013F), ΔE 0.014 away. White text reads best on it, at 10.11:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Wine (#80013F) |
| Black text | 2.07:1 |
| White text | 10.11:1 |
Values
| HEX | #81103E |
| RGB | rgb(129, 16, 62) |
| HSL | hsl(336, 78%, 28%) |
| OKLCH | oklch(39.7% 0.148 3.8) |
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 #81103E | 10.11:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #81103E | 2.07:1 | Fails | Lc 12.1 | Not readable |
| #81103E text on white | 10.11:1 | AAA | Lc 91.9 | Preferred for body text |
| #81103E text on black | 2.07:1 | Fails | Lc -10.5 | 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
#FFF2F4
oklch(97.2% 0.014 6.7)
-
Step 100
100
#FEE1E7
oklch(93.5% 0.033 3.7)
-
Step 200
200
#FEC9D4
oklch(88.5% 0.062 4.5)
-
Step 300
300
#FDA2B9
oklch(80.9% 0.111 3.4)
-
Step 400
400
#F76994
oklch(70.7% 0.178 3.9)
-
Step 500
500
#EE307A
oklch(63% 0.226 3.8)
-
Step 600
600
#D20065
oklch(55.6% 0.224 3.7)
-
Step 700
700
#B20054
oklch(49.2% 0.198 3.9)
-
Step 800
800
#930044
oklch(42.7% 0.172 4)
-
Step 900
900 (this color)
#81103E
oklch(39.7% 0.148 3.8)
-
Step 950
950
#480A21
oklch(26.9% 0.093 4)
#81103E 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) | #30343F | 0.167 |
| Deuteranopia (no green cones) | #4D493B | 0.150 |
| Tritanopia (no blue cones) | #8D0026 | 0.043 |
| Achromatopsia (no color) | #424242 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81103E
#81103E
oklch(39.7% 0.148 3.8)
- #00534B
#00534B
oklch(39.7% 0.07 183.8)
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 #81103E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wine #80013F ΔE 0.014
- Red Purple #820747 ΔE 0.018
- Red Wine #8C0034 ΔE 0.027
- Bordeaux #7B002C ΔE 0.031
- Merlot #730039 ΔE 0.038
- Wine Red #7B0323 ΔE 0.042
- Mulberry #920A4E ΔE 0.043
- Velvet #750851 ΔE 0.048
Use #81103E 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.