#903C42
Closest named color: Brick (#A03623). oklch(47.1% 0.114 18.2), rgb(144, 60, 66).
Aa
White text reads best on this color (7.21:1).
About this color
#903C42 is a medium-dark, moderately saturated red. In OKLCH its lightness is 47%, its chroma 0.114 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.046 away. White text reads best on it, at 7.21:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.114) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 2.91:1 |
| White text | 7.21:1 |
Values
| HEX | #903C42 |
| RGB | rgb(144, 60, 66) |
| HSL | hsl(356, 41%, 40%) |
| OKLCH | oklch(47.1% 0.114 18.2) |
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 #903C42 | 7.21:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #903C42 | 2.91:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #903C42 text on white | 7.21:1 | AAA | Lc 84.5 | Fine for body text |
| #903C42 text on black | 2.91:1 | Fails | Lc -17.5 | 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
#F4E6E6
oklch(93.6% 0.015 17.4)
-
Step 200
200
#EDD2D1
oklch(88.6% 0.03 20.3)
-
Step 300
300
#E2B3B3
oklch(80.9% 0.055 18.3)
-
Step 400
400
#D28A8C
oklch(70.7% 0.088 17.7)
-
Step 500
500
#C46B6F
oklch(63% 0.113 18)
-
Step 600
600
#AF5257
oklch(55.6% 0.122 18.6)
-
Step 700
700 (this color)
#903C42
oklch(47.1% 0.114 18.2)
-
Step 800
800
#7A373B
oklch(42.7% 0.094 18.2)
-
Step 900
900
#633032
oklch(37.7% 0.074 18.8)
-
Step 950
950
#3A1C1E
oklch(26.9% 0.047 16.5)
#903C42 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) | #4F4C42 | 0.124 |
| Deuteranopia (no green cones) | #655E40 | 0.114 |
| Tritanopia (no blue cones) | #9D2F3F | 0.031 |
| Achromatopsia (no color) | #575757 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903C42
#903C42
oklch(47.1% 0.114 18.2)
- #00686B
#00686B
oklch(47% 0.08 198.3)
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 #903C42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.046
- Auburn #9B2226 ΔE 0.048
- Brown #A52A2A ΔE 0.050
- Dark Mauve #874C62 ΔE 0.052
- Brownish Purple #76424E ΔE 0.052
- Light Maroon #A24857 ΔE 0.053
- Red Brown #8B2E16 ΔE 0.053
- Brown Red #922B05 ΔE 0.059
Use #903C42 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.