#903B4B
Closest named color: Dark Mauve (#874C62). oklch(47.2% 0.116 11), rgb(144, 59, 75).
Aa
White text reads best on this color (7.20:1).
About this color
#903B4B is a medium-dark, moderately saturated red. In OKLCH its lightness is 47%, its chroma 0.116 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mauve (#874C62), ΔE 0.045 away. White text reads best on it, at 7.20:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.116) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 2.91:1 |
| White text | 7.20:1 |
Values
| HEX | #903B4B |
| RGB | rgb(144, 59, 75) |
| HSL | hsl(349, 42%, 40%) |
| OKLCH | oklch(47.2% 0.116 11) |
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 #903B4B | 7.20:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #903B4B | 2.91:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #903B4B text on white | 7.20:1 | AAA | Lc 84.5 | Fine for body text |
| #903B4B 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
#FAF3F4
oklch(97% 0.008 7.3)
-
Step 100
100
#F4E6E7
oklch(93.6% 0.015 12.4)
-
Step 200
200
#EDD1D4
oklch(88.5% 0.032 10.4)
-
Step 300
300
#E2B2B8
oklch(80.8% 0.056 10)
-
Step 400
400
#D28993
oklch(70.7% 0.09 10.7)
-
Step 500
500
#C46A78
oklch(63.1% 0.115 11)
-
Step 600
600
#AF5061
oklch(55.5% 0.125 10.9)
-
Step 700
700 (this color)
#903B4B
oklch(47.2% 0.116 11)
-
Step 800
800
#7A3642
oklch(42.7% 0.095 11)
-
Step 900
900
#632F38
oklch(37.7% 0.076 10.5)
-
Step 950
950
#3A1C21
oklch(27% 0.047 10.1)
#903B4B 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) | #4D4D4B | 0.127 |
| Deuteranopia (no green cones) | #635E49 | 0.118 |
| Tritanopia (no blue cones) | #9C3041 | 0.029 |
| Achromatopsia (no color) | #575757 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903B4B
#903B4B
oklch(47.2% 0.116 11)
- #006A66
#006A66
oklch(47.3% 0.082 190.2)
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 #903B4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mauve #874C62 ΔE 0.045
- Light Maroon #A24857 ΔE 0.050
- Brownish Purple #76424E ΔE 0.051
- Auburn #9B2226 ΔE 0.055
- Light Burgundy #A8415B ΔE 0.055
- Brown #A52A2A ΔE 0.056
- Brick #A03623 ΔE 0.057
- Berry #990F4B ΔE 0.064
Use #903B4B 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.