#902333
Closest named color: Auburn (#9B2226). oklch(43.7% 0.144 17.6), rgb(144, 35, 51).
Aa
White text reads best on this color (8.48:1).
About this color
#902333 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.144 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.028 away. White text reads best on it, at 8.48:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.47:1 |
| White text | 8.48:1 |
Values
| HEX | #902333 |
| RGB | rgb(144, 35, 51) |
| HSL | hsl(351, 61%, 35%) |
| OKLCH | oklch(43.7% 0.144 17.6) |
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 #902333 | 8.48:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #902333 | 2.47:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #902333 text on white | 8.48:1 | AAA | Lc 88.0 | Fine for body text |
| #902333 text on black | 2.47:1 | Fails | Lc -14.1 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#FAE4E4
oklch(93.7% 0.024 17.6)
-
Step 200
200
#F7CDCE
oklch(88.5% 0.048 16.5)
-
Step 300
300
#F2ABAD
oklch(80.9% 0.084 17.2)
-
Step 400
400
#E87B81
oklch(70.7% 0.135 17.6)
-
Step 500
500
#DE5462
oklch(63.2% 0.172 17.5)
-
Step 600
600
#C93149
oklch(55.6% 0.187 17.4)
-
Step 700
700
#AD223A
oklch(49.1% 0.173 17.7)
-
Step 800
800 (this color)
#902333
oklch(43.7% 0.144 17.6)
-
Step 900
900
#71212B
oklch(37.7% 0.112 17.2)
-
Step 950
950
#431519
oklch(27.1% 0.071 18)
#902333 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) | #413E33 | 0.159 |
| Deuteranopia (no green cones) | #5D5530 | 0.145 |
| Tritanopia (no blue cones) | #9E002A | 0.034 |
| Achromatopsia (no color) | #4D4D4D | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #902333
#902333
oklch(43.7% 0.144 17.6)
- #005E60
#005E60
oklch(43.7% 0.074 197.3)
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 #902333, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.028
- Red Wine #8C0034 ΔE 0.039
- Cranberry #9E003A ΔE 0.040
- Carmine #9D0216 ΔE 0.040
- Red Brown #8B2E16 ΔE 0.044
- Brick Red #8F1402 ΔE 0.044
- Blood Red #980002 ΔE 0.045
- Deep Red #9A0200 ΔE 0.046
Use #902333 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.