#9D1529
Closest named color: Auburn (#9B2226). oklch(44.9% 0.168 20.9), rgb(157, 21, 41).
Aa
White text reads best on this color (8.16:1).
About this color
#9D1529 is a dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.168 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.016 away. White text reads best on it, at 8.16:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.57:1 |
| White text | 8.16:1 |
Values
| HEX | #9D1529 |
| RGB | rgb(157, 21, 41) |
| HSL | hsl(351, 76%, 35%) |
| OKLCH | oklch(44.9% 0.168 20.9) |
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 #9D1529 | 8.16:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #9D1529 | 2.57:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #9D1529 text on white | 8.16:1 | AAA | Lc 86.4 | Fine for body text |
| #9D1529 text on black | 2.57:1 | Fails | Lc -15.6 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FBCCCA
oklch(88.5% 0.054 21.1)
-
Step 300
300
#FAA7A5
oklch(80.9% 0.099 21)
-
Step 400
400
#F27375
oklch(70.6% 0.157 20.9)
-
Step 500
500
#EA4552
oklch(63.2% 0.201 20.9)
-
Step 600
600
#D51036
oklch(55.6% 0.218 21)
-
Step 700
700
#B6002B
oklch(49.1% 0.197 20.8)
-
Step 800
800 (this color)
#9D1529
oklch(44.9% 0.168 20.9)
-
Step 900
900
#781721
oklch(37.7% 0.131 21.1)
-
Step 950
950
#471014
oklch(27% 0.083 20.8)
#9D1529 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) | #423D28 | 0.186 |
| Deuteranopia (no green cones) | #635924 | 0.169 |
| Tritanopia (no blue cones) | #AD001F | 0.033 |
| Achromatopsia (no color) | #4F4F4F | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9D1529
#9D1529
oklch(44.9% 0.168 20.9)
- #006166
#006166
oklch(44.8% 0.076 201)
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 #9D1529, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.016
- Carmine #9D0216 ΔE 0.019
- Cranberry #9E003A ΔE 0.030
- Deep Red #9A0200 ΔE 0.032
- Blood Red #980002 ΔE 0.033
- Brown #A52A2A ΔE 0.035
- Rouge #AB1239 ΔE 0.035
- Burnt Red #9F2305 ΔE 0.038
Use #9D1529 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.