#903624
Closest named color: Red Brown (#8B2E16). oklch(45.7% 0.126 33.2), rgb(144, 54, 36).
Aa
White text reads best on this color (7.66:1).
About this color
#903624 is a medium-dark, moderately saturated red. In OKLCH its lightness is 46%, its chroma 0.126 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.022 away. White text reads best on it, at 7.66:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.73:1 |
| White text | 7.66:1 |
Values
| HEX | #903624 |
| RGB | rgb(144, 54, 36) |
| HSL | hsl(10, 60%, 35%) |
| OKLCH | oklch(45.7% 0.126 33.2) |
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 #903624 | 7.66:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #903624 | 2.73:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #903624 text on white | 7.66:1 | AAA | Lc 85.9 | Fine for body text |
| #903624 text on black | 2.73:1 | Fails | Lc -16.2 | 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 800.
-
Step 50
50
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F3D0C8
oklch(88.5% 0.041 33)
-
Step 300
300
#ECB0A2
oklch(80.9% 0.073 33.5)
-
Step 400
400
#E08470
oklch(70.7% 0.118 33.1)
-
Step 500
500
#D5614A
oklch(63.1% 0.151 32.8)
-
Step 600
600
#C0442C
oklch(55.6% 0.164 33)
-
Step 700
700
#A5351E
oklch(49.1% 0.152 33.4)
-
Step 800
800 (this color)
#903624
oklch(45.7% 0.126 33.2)
-
Step 900
900
#6C2A1C
oklch(37.7% 0.098 33.6)
-
Step 950
950
#401911
oklch(27% 0.063 33.1)
#903624 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) | #4F4722 | 0.129 |
| Deuteranopia (no green cones) | #655B21 | 0.119 |
| Tritanopia (no blue cones) | #9E2132 | 0.048 |
| Achromatopsia (no color) | #535353 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903624
#903624
oklch(45.7% 0.126 33.2)
- #006272
#006272
oklch(45.6% 0.08 213.9)
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 #903624, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.022
- Brown Red #922B05 ΔE 0.024
- Rust Brown #8B3103 ΔE 0.026
- Brick #A03623 ΔE 0.033
- Auburn #9B2226 ΔE 0.037
- Burnt Red #9F2305 ΔE 0.038
- Saddle Brown #8B4513 ΔE 0.041
- Russet #A13905 ΔE 0.042
Use #903624 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.