#903A63
Closest named color: Dark Mauve (#874C62). oklch(47.8% 0.125 353.1), rgb(144, 58, 99).
Aa
White text reads best on this color (7.06:1).
About this color
#903A63 is a medium-dark, moderately saturated red. In OKLCH its lightness is 48%, its chroma 0.125 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mauve (#874C62), ΔE 0.044 away. White text reads best on it, at 7.06:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 2.97:1 |
| White text | 7.06:1 |
Values
| HEX | #903A63 |
| RGB | rgb(144, 58, 99) |
| HSL | hsl(331, 43%, 40%) |
| OKLCH | oklch(47.8% 0.125 353.1) |
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 #903A63 | 7.06:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #903A63 | 2.97:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #903A63 text on white | 7.06:1 | AAA | Lc 83.9 | Fine for body text |
| #903A63 text on black | 2.97:1 | Fails | Lc -18.0 | 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
#ECD0DB
oklch(88.4% 0.034 352.1)
-
Step 300
300
#E1B1C4
oklch(80.9% 0.061 352.9)
-
Step 400
400
#D087A6
oklch(70.7% 0.097 352.8)
-
Step 500
500
#C26890
oklch(63.2% 0.123 353.2)
-
Step 600
600
#AD4D7A
oklch(55.6% 0.135 353.1)
-
Step 700
700 (this color)
#903A63
oklch(47.8% 0.125 353.1)
-
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
#391B28
oklch(26.9% 0.051 353.6)
#903A63 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) | #464F64 | 0.138 |
| Deuteranopia (no green cones) | #5D5E61 | 0.124 |
| Tritanopia (no blue cones) | #9A354A | 0.042 |
| Achromatopsia (no color) | #585858 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903A63
#903A63
oklch(47.8% 0.125 353.1)
- #006D58
#006D58
oklch(47.7% 0.091 173.3)
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 #903A63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mauve #874C62 ΔE 0.044
- Light Eggplant #894585 ΔE 0.055
- Light Burgundy #A8415B ΔE 0.056
- Light Maroon #A24857 ΔE 0.059
- Berry #990F4B ΔE 0.062
- Dark Fuchsia #9D0759 ΔE 0.062
- Brownish Purple #76424E ΔE 0.065
- Deep Magenta #A0025C ΔE 0.066
Use #903A63 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.