#90403C
Closest named color: Brick (#A03623). oklch(47.6% 0.109 25), rgb(144, 64, 60).
Aa
White text reads best on this color (7.03:1).
About this color
#90403C is a medium-dark, moderately saturated red. In OKLCH its lightness is 48%, its chroma 0.109 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.039 away. White text reads best on it, at 7.03:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #90403C |
| RGB | rgb(144, 64, 60) |
| HSL | hsl(3, 41%, 40%) |
| OKLCH | oklch(47.6% 0.109 25) |
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 #90403C | 7.03:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #90403C | 2.98:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #90403C text on white | 7.03:1 | AAA | Lc 83.9 | Fine for body text |
| #90403C text on black | 2.98:1 | Fails | Lc -18.1 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E5
oklch(93.6% 0.015 22.4)
-
Step 200
200
#ECD2CF
oklch(88.4% 0.029 25.6)
-
Step 300
300
#E1B4B0
oklch(80.9% 0.053 24.2)
-
Step 400
400
#D08C86
oklch(70.7% 0.084 25)
-
Step 500
500
#C26E68
oklch(63.1% 0.108 24.9)
-
Step 600
600
#AE544F
oklch(55.6% 0.119 24.9)
-
Step 700
700 (this color)
#90403C
oklch(47.6% 0.109 25)
-
Step 800
800
#793935
oklch(42.7% 0.09 25.2)
-
Step 900
900
#62312E
oklch(37.6% 0.071 24.7)
-
Step 950
950
#3A1D1B
oklch(27% 0.046 24.7)
#90403C 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) | #534E3B | 0.116 |
| Deuteranopia (no green cones) | #675F3A | 0.107 |
| Tritanopia (no blue cones) | #9D3340 | 0.035 |
| Achromatopsia (no color) | #595959 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90403C
#90403C
oklch(47.6% 0.109 25)
- #006972
#006972
oklch(47.5% 0.081 205.1)
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 #90403C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.039
- Saddle Brown #8B4513 ΔE 0.050
- Red Brown #8B2E16 ΔE 0.050
- Brown #A52A2A ΔE 0.050
- Auburn #9B2226 ΔE 0.052
- Russet #A13905 ΔE 0.053
- Light Maroon #A24857 ΔE 0.054
- Brown Red #922B05 ΔE 0.054
Use #90403C 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.