#A11D2E
Closest named color: Auburn (#9B2226). oklch(46.3% 0.166 20.6), rgb(161, 29, 46).
Aa
White text reads best on this color (7.69:1).
About this color
#A11D2E is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.166 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.017 away. White text reads best on it, at 7.69:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.73:1 |
| White text | 7.69:1 |
Values
| HEX | #A11D2E |
| RGB | rgb(161, 29, 46) |
| HSL | hsl(352, 69%, 37%) |
| OKLCH | oklch(46.3% 0.166 20.6) |
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 #A11D2E | 7.69:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #A11D2E | 2.73:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #A11D2E text on white | 7.69:1 | AAA | Lc 85.1 | Fine for body text |
| #A11D2E text on black | 2.73:1 | Fails | Lc -16.9 | 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 700.
-
Step 50
50
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#F9E4E3
oklch(93.5% 0.023 20.9)
-
Step 200
200
#F6CECD
oklch(88.5% 0.045 19.7)
-
Step 300
300
#F0ACAB
oklch(80.8% 0.08 19.9)
-
Step 400
400
#E67E7E
oklch(70.8% 0.129 20.8)
-
Step 500
500
#DB585E
oklch(63.1% 0.164 20.4)
-
Step 600
600
#C63844
oklch(55.6% 0.178 20.7)
-
Step 700
700 (this color)
#A11D2E
oklch(46.3% 0.166 20.6)
-
Step 800
800
#8B242D
oklch(42.8% 0.138 20.6)
-
Step 900
900
#702428
oklch(37.8% 0.107 20.9)
-
Step 950
950
#421618
oklch(27% 0.068 20.2)
#A11D2E 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) | #46412D | 0.183 |
| Deuteranopia (no green cones) | #675D2A | 0.167 |
| Tritanopia (no blue cones) | #B10025 | 0.033 |
| Achromatopsia (no color) | #535353 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A11D2E
#A11D2E
oklch(46.3% 0.166 20.6)
- #00666B
#00666B
oklch(46.4% 0.079 200.7)
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 #A11D2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.017
- Brown #A52A2A ΔE 0.023
- Rouge #AB1239 ΔE 0.026
- Carmine #9D0216 ΔE 0.030
- Cranberry #9E003A ΔE 0.034
- Burnt Red #9F2305 ΔE 0.037
- Rufous #AE2012 ΔE 0.039
- Firebrick #B22222 ΔE 0.041
Use #A11D2E 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.