#903B64
Closest named color: Dark Mauve (#874C62). oklch(48% 0.124 352.7), rgb(144, 59, 100).
Aa
White text reads best on this color (7.01:1).
About this color
#903B64 is a medium-dark, moderately saturated red. In OKLCH its lightness is 48%, its chroma 0.124 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mauve (#874C62), ΔE 0.042 away. White text reads best on it, at 7.01:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #903B64 |
| RGB | rgb(144, 59, 100) |
| HSL | hsl(331, 42%, 40%) |
| OKLCH | oklch(48% 0.124 352.7) |
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 #903B64 | 7.01:1 | AAA | Lc -88.7 | Fine for body text |
| Black text on #903B64 | 2.99:1 | Fails | Lc 20.3 | Dividers and decoration only |
| #903B64 text on white | 7.01:1 | AAA | Lc 83.7 | Fine for body text |
| #903B64 text on black | 2.99:1 | Fails | Lc -18.2 | 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F4E5EB
oklch(93.6% 0.018 351.2)
-
Step 200
200
#ECD1DB
oklch(88.6% 0.033 353.4)
-
Step 300
300
#E0B1C4
oklch(80.8% 0.06 352.4)
-
Step 400
400
#CF87A6
oklch(70.6% 0.096 352.4)
-
Step 500
500
#C16890
oklch(63.1% 0.122 352.8)
-
Step 600
600
#AC4E7A
oklch(55.6% 0.132 353)
-
Step 700
700 (this color)
#903B64
oklch(48% 0.124 352.7)
-
Step 800
800
#783454
oklch(42.7% 0.102 352.8)
-
Step 900
900
#612E45
oklch(37.7% 0.079 353.2)
-
Step 950
950
#391B29
oklch(26.9% 0.051 351.7)
#903B64 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) | #474F65 | 0.135 |
| Deuteranopia (no green cones) | #5E5F62 | 0.123 |
| Tritanopia (no blue cones) | #9A374B | 0.043 |
| Achromatopsia (no color) | #595959 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903B64
#903B64
oklch(48% 0.124 352.7)
- #006E58
#006E58
oklch(48% 0.092 172.6)
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 #903B64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mauve #874C62 ΔE 0.042
- Light Eggplant #894585 ΔE 0.054
- Light Burgundy #A8415B ΔE 0.056
- Light Maroon #A24857 ΔE 0.058
- Berry #990F4B ΔE 0.064
- Dark Fuchsia #9D0759 ΔE 0.064
- Brownish Purple #76424E ΔE 0.065
- Deep Magenta #A0025C ΔE 0.067
Use #903B64 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.