#A0112B
Closest named color: Auburn (#9B2226). oklch(45.3% 0.173 19.9), rgb(160, 17, 43).
Aa
White text reads best on this color (8.04:1).
About this color
#A0112B is a medium-dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.173 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.021 away. White text reads best on it, at 8.04:1.
| Hue family | Reds |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.173) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.60:1 |
| White text | 8.04:1 |
Values
| HEX | #A0112B |
| RGB | rgb(160, 17, 43) |
| HSL | hsl(349, 81%, 35%) |
| OKLCH | oklch(45.3% 0.173 19.9) |
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 #A0112B | 8.04:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #A0112B | 2.60:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #A0112B text on white | 8.04:1 | AAA | Lc 85.9 | Fine for body text |
| #A0112B text on black | 2.60:1 | Fails | Lc -16.1 | 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
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FCCBCA
oklch(88.4% 0.056 19.6)
-
Step 300
300
#FBA6A6
oklch(80.9% 0.101 19.5)
-
Step 400
400
#F47176
oklch(70.6% 0.161 19.8)
-
Step 500
500
#EC4153
oklch(63.1% 0.206 19.9)
-
Step 600
600
#D70038
oklch(55.6% 0.223 19.8)
-
Step 700
700
#B6002E
oklch(49.1% 0.197 19.8)
-
Step 800
800 (this color)
#A0112B
oklch(45.3% 0.173 19.9)
-
Step 900
900
#791422
oklch(37.7% 0.134 19.9)
-
Step 950
950
#470F14
oklch(26.9% 0.085 20.1)
#A0112B 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) | #423D2B | 0.191 |
| Deuteranopia (no green cones) | #645A26 | 0.174 |
| Tritanopia (no blue cones) | #B0001E | 0.034 |
| Achromatopsia (no color) | #505050 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A0112B
#A0112B
oklch(45.3% 0.173 19.9)
- #006367
#006367
oklch(45.4% 0.077 199.6)
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 #A0112B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.021
- Carmine #9D0216 ΔE 0.022
- Cranberry #9E003A ΔE 0.027
- Rouge #AB1239 ΔE 0.029
- Brown #A52A2A ΔE 0.034
- Deep Red #9A0200 ΔE 0.036
- Blood Red #980002 ΔE 0.038
- Burnt Red #9F2305 ΔE 0.041
Use #A0112B 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.