#903D63
Closest named color: Dark Mauve (#874C62). oklch(48.2% 0.12 353.9), rgb(144, 61, 99).
Aa
White text reads best on this color (6.92:1).
About this color
#903D63 is a medium-dark, moderately saturated red. In OKLCH its lightness is 48%, its chroma 0.120 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mauve (#874C62), ΔE 0.038 away. White text reads best on it, at 6.92:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 3.03:1 |
| White text | 6.92:1 |
Values
| HEX | #903D63 |
| RGB | rgb(144, 61, 99) |
| HSL | hsl(333, 40%, 40%) |
| OKLCH | oklch(48.2% 0.12 353.9) |
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 #903D63 | 6.92:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #903D63 | 3.03:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #903D63 text on white | 6.92:1 | AA | Lc 83.4 | Fine for body text |
| #903D63 text on black | 3.03:1 | AA large text | Lc -18.5 | 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F4E5EA
oklch(93.5% 0.018 355.1)
-
Step 200
200
#ECD1DA
oklch(88.6% 0.032 355.6)
-
Step 300
300
#E0B2C3
oklch(81% 0.058 354.4)
-
Step 400
400
#CF88A5
oklch(70.7% 0.094 353.6)
-
Step 500
500
#C0698E
oklch(63% 0.119 354.1)
-
Step 600
600
#AB4F79
oklch(55.6% 0.129 353.5)
-
Step 700
700 (this color)
#903D63
oklch(48.2% 0.12 353.9)
-
Step 800
800
#773553
oklch(42.7% 0.099 353.6)
-
Step 900
900
#612F44
oklch(37.8% 0.077 354.9)
-
Step 950
950
#391C28
oklch(27.1% 0.049 354.6)
#903D63 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) | #495064 | 0.131 |
| Deuteranopia (no green cones) | #5F5F61 | 0.119 |
| Tritanopia (no blue cones) | #9A384C | 0.039 |
| Achromatopsia (no color) | #5A5A5A | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903D63
#903D63
oklch(48.2% 0.12 353.9)
- #006F5A
#006F5A
oklch(48.3% 0.092 173.6)
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 #903D63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mauve #874C62 ΔE 0.038
- Light Burgundy #A8415B ΔE 0.053
- Light Maroon #A24857 ΔE 0.054
- Light Eggplant #894585 ΔE 0.055
- Brownish Purple #76424E ΔE 0.063
- Berry #990F4B ΔE 0.066
- Dark Fuchsia #9D0759 ΔE 0.068
- Dull Purple #84597E ΔE 0.070
Use #903D63 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.