#903529
Closest named color: Red Brown (#8B2E16). oklch(45.6% 0.126 30.2), rgb(144, 53, 41).
Aa
White text reads best on this color (7.70:1).
About this color
#903529 is a medium-dark, moderately saturated red. In OKLCH its lightness is 46%, its chroma 0.126 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.024 away. White text reads best on it, at 7.70:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.72:1 |
| White text | 7.70:1 |
Values
| HEX | #903529 |
| RGB | rgb(144, 53, 41) |
| HSL | hsl(7, 56%, 36%) |
| OKLCH | oklch(45.6% 0.126 30.2) |
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 #903529 | 7.70:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #903529 | 2.72:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #903529 text on white | 7.70:1 | AAA | Lc 86.0 | Fine for body text |
| #903529 text on black | 2.72:1 | Fails | Lc -16.1 | 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 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
#F3D0C9
oklch(88.5% 0.041 31.2)
-
Step 300
300
#ECAFA5
oklch(80.8% 0.073 29.3)
-
Step 400
400
#E08374
oklch(70.6% 0.118 30)
-
Step 500
500
#D56050
oklch(63.1% 0.151 29.8)
-
Step 600
600
#C04333
oklch(55.6% 0.163 30.3)
-
Step 700
700
#A63426
oklch(49.2% 0.152 30.3)
-
Step 800
800 (this color)
#903529
oklch(45.6% 0.126 30.2)
-
Step 900
900
#6C2920
oklch(37.7% 0.098 30)
-
Step 950
950
#401913
oklch(27.1% 0.062 30.5)
#903529 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) | #4E4727 | 0.131 |
| Deuteranopia (no green cones) | #645A26 | 0.120 |
| Tritanopia (no blue cones) | #9E2033 | 0.045 |
| Achromatopsia (no color) | #535353 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903529
#903529
oklch(45.6% 0.126 30.2)
- #00636F
#00636F
oklch(45.8% 0.079 209.2)
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 #903529, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.024
- Brown Red #922B05 ΔE 0.028
- Rust Brown #8B3103 ΔE 0.031
- Brick #A03623 ΔE 0.034
- Auburn #9B2226 ΔE 0.034
- Burnt Red #9F2305 ΔE 0.039
- Brown #A52A2A ΔE 0.043
- Russet #A13905 ΔE 0.046
Use #903529 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.