#A10A2B
Closest named color: Carmine (#9D0216). oklch(45.3% 0.176 19.3), rgb(161, 10, 43).
Aa
White text reads best on this color (8.09:1).
About this color
#A10A2B is a medium-dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.176 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.023 away. White text reads best on it, at 8.09:1.
| Hue family | Reds |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Carmine (#9D0216) |
| Black text | 2.59:1 |
| White text | 8.09:1 |
Values
| HEX | #A10A2B |
| RGB | rgb(161, 10, 43) |
| HSL | hsl(347, 88%, 34%) |
| OKLCH | oklch(45.3% 0.176 19.3) |
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 #A10A2B | 8.09:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #A10A2B | 2.59:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #A10A2B text on white | 8.09:1 | AAA | Lc 85.9 | Fine for body text |
| #A10A2B text on black | 2.59:1 | Fails | Lc -16.2 | Dividers and decoration only |
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
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FDE2E2
oklch(93.5% 0.03 17.7)
-
Step 200
200
#FDCBCA
oklch(88.5% 0.057 19.6)
-
Step 300
300
#FCA6A6
oklch(81% 0.102 19.5)
-
Step 400
400
#F67076
oklch(70.7% 0.165 19.5)
-
Step 500
500
#EE3E53
oklch(63.2% 0.211 19.5)
-
Step 600
600
#D7003A
oklch(55.7% 0.223 19.3)
-
Step 700
700
#B6002F
oklch(49.1% 0.197 19.5)
-
Step 800
800 (this color)
#A10A2B
oklch(45.3% 0.176 19.3)
-
Step 900
900
#7A1122
oklch(37.7% 0.137 19.3)
-
Step 950
950
#480E14
oklch(27% 0.087 19.7)
#A10A2B 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) | #413C2B | 0.196 |
| Deuteranopia (no green cones) | #645A26 | 0.178 |
| Tritanopia (no blue cones) | #B2001B | 0.039 |
| Achromatopsia (no color) | #505050 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A10A2B
#A10A2B
oklch(45.3% 0.176 19.3)
- #006366
#006366
oklch(45.4% 0.077 198.4)
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 #A10A2B, closest first.
No curated palette has a color within ΔE 0.04 of #A10A2B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carmine #9D0216 ΔE 0.023
- Auburn #9B2226 ΔE 0.025
- Cranberry #9E003A ΔE 0.025
- Rouge #AB1239 ΔE 0.028
- Deep Red #9A0200 ΔE 0.037
- Brown #A52A2A ΔE 0.037
- Blood Red #980002 ΔE 0.039
- Burnt Red #9F2305 ΔE 0.044
Use #A10A2B 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.