#903C59
Closest named color: Dark Mauve (#874C62). oklch(47.8% 0.117 0.9), rgb(144, 60, 89).
Aa
White text reads best on this color (7.05:1).
About this color
#903C59 is a medium-dark, moderately saturated red. In OKLCH its lightness is 48%, its chroma 0.117 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mauve (#874C62), ΔE 0.037 away. White text reads best on it, at 7.05:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #903C59 |
| RGB | rgb(144, 60, 89) |
| HSL | hsl(339, 41%, 40%) |
| OKLCH | oklch(47.8% 0.117 0.9) |
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 #903C59 | 7.05:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #903C59 | 2.97:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #903C59 text on white | 7.05:1 | AAA | Lc 83.9 | Fine for body text |
| #903C59 text on black | 2.97:1 | Fails | Lc -18.1 | 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 700.
-
Step 50
50
#FAF3F5
oklch(97% 0.008 357.8)
-
Step 100
100
#F4E6E9
oklch(93.7% 0.016 2.7)
-
Step 200
200
#ECD1D8
oklch(88.5% 0.031 0.3)
-
Step 300
300
#E1B2BE
oklch(80.9% 0.057 1.4)
-
Step 400
400
#D0899D
oklch(70.8% 0.09 1.3)
-
Step 500
500
#C26A85
oklch(63.2% 0.115 1.3)
-
Step 600
600
#AD506F
oklch(55.7% 0.126 1)
-
Step 700
700 (this color)
#903C59
oklch(47.8% 0.117 0.9)
-
Step 800
800
#79354C
oklch(42.7% 0.098 0.8)
-
Step 900
900
#622F3F
oklch(37.8% 0.076 1.4)
-
Step 950
950
#391C25
oklch(27% 0.047 0.9)
#903C59 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) | #4B4F5A | 0.129 |
| Deuteranopia (no green cones) | #615F57 | 0.119 |
| Tritanopia (no blue cones) | #9B3447 | 0.033 |
| Achromatopsia (no color) | #595959 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903C59
#903C59
oklch(47.8% 0.117 0.9)
- #006C60
#006C60
oklch(47.7% 0.086 181.7)
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 #903C59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mauve #874C62 ΔE 0.037
- Light Maroon #A24857 ΔE 0.050
- Light Burgundy #A8415B ΔE 0.051
- Brownish Purple #76424E ΔE 0.055
- Berry #990F4B ΔE 0.062
- Mulberry #920A4E ΔE 0.069
- Dark Fuchsia #9D0759 ΔE 0.069
- Light Eggplant #894585 ΔE 0.070
Use #903C59 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.