#903F34
Closest named color: Brick (#A03623). oklch(47.3% 0.112 29.7), rgb(144, 63, 52).
Aa
White text reads best on this color (7.12:1).
About this color
#903F34 is a medium-dark, moderately saturated red. In OKLCH its lightness is 47%, its chroma 0.112 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.034 away. White text reads best on it, at 7.12:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #903F34 |
| RGB | rgb(144, 63, 52) |
| HSL | hsl(7, 47%, 38%) |
| OKLCH | oklch(47.3% 0.112 29.7) |
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 #903F34 | 7.12:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #903F34 | 2.94:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #903F34 text on white | 7.12:1 | AAA | Lc 84.2 | Fine for body text |
| #903F34 text on black | 2.94:1 | Fails | Lc -17.8 | 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
#F4E6E4
oklch(93.5% 0.016 27.3)
-
Step 200
200
#EDD2CE
oklch(88.5% 0.031 27.8)
-
Step 300
300
#E2B4AC
oklch(80.9% 0.055 29.7)
-
Step 400
400
#D18C81
oklch(70.7% 0.087 29.4)
-
Step 500
500
#C46E61
oklch(63.2% 0.112 29.6)
-
Step 600
600
#AF5448
oklch(55.6% 0.121 29.2)
-
Step 700
700 (this color)
#903F34
oklch(47.3% 0.112 29.7)
-
Step 800
800
#7A392F
oklch(42.8% 0.093 30.3)
-
Step 900
900
#62312A
oklch(37.6% 0.072 29.4)
-
Step 950
950
#3A1D19
oklch(27% 0.046 28.8)
#903F34 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) | #544D33 | 0.115 |
| Deuteranopia (no green cones) | #685E32 | 0.106 |
| Tritanopia (no blue cones) | #9E303D | 0.042 |
| Achromatopsia (no color) | #585858 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903F34
#903F34
oklch(47.3% 0.112 29.7)
- #006875
#006875
oklch(47.4% 0.082 209.7)
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 #903F34, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.034
- Saddle Brown #8B4513 ΔE 0.041
- Red Brown #8B2E16 ΔE 0.043
- Russet #A13905 ΔE 0.046
- Brown Red #922B05 ΔE 0.046
- Rust Brown #8B3103 ΔE 0.046
- Brown #A52A2A ΔE 0.049
- Auburn #9B2226 ΔE 0.050
Use #903F34 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.