#901528
Closest named color: Carmine (#9D0216). oklch(42.4% 0.156 19.9), rgb(144, 21, 40).
Aa
White text reads best on this color (9.03:1).
About this color
#901528 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.156 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.031 away. White text reads best on it, at 9.03:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Carmine (#9D0216) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #901528 |
| RGB | rgb(144, 21, 40) |
| HSL | hsl(351, 75%, 32%) |
| OKLCH | oklch(42.4% 0.156 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 #901528 | 9.03:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #901528 | 2.32:1 | Fails | Lc 14.9 | Not readable |
| #901528 text on white | 9.03:1 | AAA | Lc 89.1 | Fine for body text |
| #901528 text on black | 2.32:1 | Fails | Lc -13.1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E3
oklch(93.5% 0.026 17.6)
-
Step 200
200
#F9CDCB
oklch(88.6% 0.05 21.2)
-
Step 300
300
#F6A9A8
oklch(80.9% 0.091 20.1)
-
Step 400
400
#ED777A
oklch(70.6% 0.146 19.9)
-
Step 500
500
#E44D59
oklch(63.1% 0.186 19.8)
-
Step 600
600
#CF253E
oklch(55.6% 0.202 20.1)
-
Step 700
700
#B31331
oklch(49.2% 0.188 19.8)
-
Step 800
800 (this color)
#901528
oklch(42.4% 0.156 19.9)
-
Step 900
900
#751D25
oklch(37.8% 0.121 20.4)
-
Step 950
950
#451316
oklch(27.1% 0.077 20.4)
#901528 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) | #3D3828 | 0.171 |
| Deuteranopia (no green cones) | #5B5224 | 0.157 |
| Tritanopia (no blue cones) | #9F001E | 0.032 |
| Achromatopsia (no color) | #494949 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901528
#901528
oklch(42.4% 0.156 19.9)
- #005A5E
#005A5E
oklch(42.5% 0.072 200.1)
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 #901528, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carmine #9D0216 ΔE 0.031
- Red Wine #8C0034 ΔE 0.031
- Brick Red #8F1402 ΔE 0.032
- Blood Red #980002 ΔE 0.032
- Auburn #9B2226 ΔE 0.033
- Deep Red #9A0200 ΔE 0.035
- Dark Red #8B0000 ΔE 0.036
- Cranberry #9E003A ΔE 0.040
Use #901528 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.