#902024
Closest named color: Auburn (#9B2226). oklch(43.2% 0.147 24.3), rgb(144, 32, 36).
Aa
White text reads best on this color (8.68:1).
About this color
#902024 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.147 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.024 away. White text reads best on it, at 8.68:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.147) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #902024 |
| RGB | rgb(144, 32, 36) |
| HSL | hsl(358, 64%, 35%) |
| OKLCH | oklch(43.2% 0.147 24.3) |
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 #902024 | 8.68:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #902024 | 2.41:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #902024 text on white | 8.68:1 | AAA | Lc 88.5 | Fine for body text |
| #902024 text on black | 2.41:1 | Fails | Lc -13.7 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E2
oklch(93.6% 0.024 23.9)
-
Step 200
200
#F8CECA
oklch(88.6% 0.048 24.5)
-
Step 300
300
#F3ABA5
oklch(80.8% 0.086 24.5)
-
Step 400
400
#EA7B75
oklch(70.7% 0.138 24.4)
-
Step 500
500
#E05352
oklch(63.1% 0.177 24)
-
Step 600
600
#CB3036
oklch(55.5% 0.191 24.3)
-
Step 700
700
#AF2028
oklch(49% 0.178 24.5)
-
Step 800
800 (this color)
#902024
oklch(43.2% 0.147 24.3)
-
Step 900
900
#722121
oklch(37.6% 0.114 24.4)
-
Step 950
950
#431514
oklch(27% 0.072 24.4)
#902024 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) | #423C23 | 0.160 |
| Deuteranopia (no green cones) | #5E5420 | 0.146 |
| Tritanopia (no blue cones) | #9F0023 | 0.035 |
| Achromatopsia (no color) | #4B4B4B | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #902024
#902024
oklch(43.2% 0.147 24.3)
- #005C63
#005C63
oklch(43.3% 0.074 203.8)
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 #902024, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.024
- Brick Red #8F1402 ΔE 0.026
- Carmine #9D0216 ΔE 0.031
- Blood Red #980002 ΔE 0.031
- Red Brown #8B2E16 ΔE 0.031
- Deep Red #9A0200 ΔE 0.032
- Brown Red #922B05 ΔE 0.035
- Dark Red #8B0000 ΔE 0.038
Use #902024 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.