#9B0021
Closest named color: Carmine (#9D0216). oklch(43.6% 0.175 21.6), rgb(155, 0, 33).
Aa
White text reads best on this color (8.69:1).
About this color
#9B0021 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.175 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.012 away. White text reads best on it, at 8.69:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Carmine (#9D0216) |
| Black text | 2.41:1 |
| White text | 8.69:1 |
Values
| HEX | #9B0021 |
| RGB | rgb(155, 0, 33) |
| HSL | hsl(347, 100%, 30%) |
| OKLCH | oklch(43.6% 0.175 21.6) |
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 #9B0021 | 8.69:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #9B0021 | 2.41:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #9B0021 text on white | 8.69:1 | AAA | Lc 87.3 | Fine for body text |
| #9B0021 text on black | 2.41:1 | Fails | Lc -14.8 | 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 800.
-
Step 50
50
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FDE3E1
oklch(93.6% 0.029 23)
-
Step 200
200
#FDCBC9
oklch(88.5% 0.057 21)
-
Step 300
300
#FCA6A3
oklch(80.9% 0.102 21.8)
-
Step 400
400
#F67172
oklch(70.8% 0.164 21.7)
-
Step 500
500
#ED3F4D
oklch(63% 0.209 21.5)
-
Step 600
600
#D70032
oklch(55.5% 0.224 21.5)
-
Step 700
700
#B60029
oklch(49% 0.197 21.4)
-
Step 800
800 (this color)
#9B0021
oklch(43.6% 0.175 21.6)
-
Step 900
900
#7A121E
oklch(37.7% 0.137 21.7)
-
Step 950
950
#480E12
oklch(27% 0.087 21.7)
#9B0021 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) | #3D3820 | 0.196 |
| Deuteranopia (no green cones) | #60561B | 0.177 |
| Tritanopia (no blue cones) | #AB0012 | 0.038 |
| Achromatopsia (no color) | #4B4B4B | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9B0021
#9B0021
oklch(43.6% 0.175 21.6)
- #005D62
#005D62
oklch(43.5% 0.074 201.2)
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 #9B0021, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carmine #9D0216 ΔE 0.012
- Blood Red #980002 ΔE 0.024
- Deep Red #9A0200 ΔE 0.024
- Auburn #9B2226 ΔE 0.028
- Cranberry #9E003A ΔE 0.033
- Brick Red #8F1402 ΔE 0.038
- Red Wine #8C0034 ΔE 0.043
- Dark Red #8B0000 ΔE 0.044
Use #9B0021 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.