#903525
Closest named color: Red Brown (#8B2E16). oklch(45.6% 0.127 32.1), rgb(144, 53, 37).
Aa
White text reads best on this color (7.71:1).
About this color
#903525 is a medium-dark, moderately saturated red. In OKLCH its lightness is 46%, its chroma 0.127 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.021 away. White text reads best on it, at 7.71:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.72:1 |
| White text | 7.71:1 |
Values
| HEX | #903525 |
| RGB | rgb(144, 53, 37) |
| HSL | hsl(9, 59%, 35%) |
| OKLCH | oklch(45.6% 0.127 32.1) |
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 #903525 | 7.71:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #903525 | 2.72:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #903525 text on white | 7.71:1 | AAA | Lc 86.0 | Fine for body text |
| #903525 text on black | 2.72:1 | Fails | Lc -16.0 | 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
#ECB0A3
oklch(80.9% 0.073 32.5)
-
Step 400
400
#E08371
oklch(70.6% 0.118 31.9)
-
Step 500
500
#D5614B
oklch(63.1% 0.151 32.4)
-
Step 600
600
#C1432E
oklch(55.7% 0.165 31.9)
-
Step 700
700
#A63420
oklch(49.2% 0.153 32.3)
-
Step 800
800 (this color)
#903525
oklch(45.6% 0.127 32.1)
-
Step 900
900
#6C291D
oklch(37.6% 0.099 32.1)
-
Step 950
950
#401912
oklch(27% 0.063 31.8)
#903525 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) | #4E4623 | 0.131 |
| Deuteranopia (no green cones) | #655A22 | 0.119 |
| Tritanopia (no blue cones) | #9E1F32 | 0.048 |
| Achromatopsia (no color) | #535353 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903525
#903525
oklch(45.6% 0.127 32.1)
- #006271
#006271
oklch(45.6% 0.08 212.7)
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 #903525, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.021
- Brown Red #922B05 ΔE 0.024
- Rust Brown #8B3103 ΔE 0.027
- Brick #A03623 ΔE 0.033
- Auburn #9B2226 ΔE 0.035
- Burnt Red #9F2305 ΔE 0.037
- Russet #A13905 ΔE 0.043
- Saddle Brown #8B4513 ΔE 0.044
Use #903525 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.