#90392B
Closest named color: Red Brown (#8B2E16). oklch(46.2% 0.121 31.3), rgb(144, 57, 43).
Aa
White text reads best on this color (7.48:1).
About this color
#90392B is a medium-dark, moderately saturated red. In OKLCH its lightness is 46%, its chroma 0.121 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.029 away. White text reads best on it, at 7.48:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.80:1 |
| White text | 7.48:1 |
Values
| HEX | #90392B |
| RGB | rgb(144, 57, 43) |
| HSL | hsl(8, 54%, 37%) |
| OKLCH | oklch(46.2% 0.121 31.3) |
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 #90392B | 7.48:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #90392B | 2.80:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #90392B text on white | 7.48:1 | AAA | Lc 85.3 | Fine for body text |
| #90392B text on black | 2.80:1 | Fails | Lc -16.7 | 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 700.
-
Step 50
50
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F5E6E3
oklch(93.6% 0.017 31.1)
-
Step 200
200
#EED2CC
oklch(88.5% 0.033 32.1)
-
Step 300
300
#E4B3AA
oklch(80.9% 0.059 30.4)
-
Step 400
400
#D58A7C
oklch(70.7% 0.095 31.1)
-
Step 500
500
#C76C5B
oklch(63.1% 0.119 31.7)
-
Step 600
600
#B35141
oklch(55.6% 0.131 31.1)
-
Step 700
700 (this color)
#90392B
oklch(46.2% 0.121 31.3)
-
Step 800
800
#7D372B
oklch(42.8% 0.1 31.5)
-
Step 900
900
#653027
oklch(37.8% 0.079 31.1)
-
Step 950
950
#3B1D17
oklch(27.1% 0.049 32.3)
#90392B 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) | #504929 | 0.125 |
| Deuteranopia (no green cones) | #665C29 | 0.115 |
| Tritanopia (no blue cones) | #9E2636 | 0.046 |
| Achromatopsia (no color) | #555555 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90392B
#90392B
oklch(46.2% 0.121 31.3)
- #006472
#006472
oklch(46.2% 0.08 211.3)
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 #90392B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.029
- Brick #A03623 ΔE 0.032
- Brown Red #922B05 ΔE 0.032
- Rust Brown #8B3103 ΔE 0.034
- Auburn #9B2226 ΔE 0.040
- Saddle Brown #8B4513 ΔE 0.041
- Russet #A13905 ΔE 0.043
- Burnt Red #9F2305 ΔE 0.043
Use #90392B 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.