#903A53
Closest named color: Dark Mauve (#874C62). oklch(47.3% 0.119 4.6), rgb(144, 58, 83).
Aa
White text reads best on this color (7.20:1).
About this color
#903A53 is a medium-dark, moderately saturated red. In OKLCH its lightness is 47%, its chroma 0.119 and its hue 5°. 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 7.20:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.119) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 2.91:1 |
| White text | 7.20:1 |
Values
| HEX | #903A53 |
| RGB | rgb(144, 58, 83) |
| HSL | hsl(343, 43%, 40%) |
| OKLCH | oklch(47.3% 0.119 4.6) |
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 #903A53 | 7.20:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #903A53 | 2.91:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #903A53 text on white | 7.20:1 | AAA | Lc 84.4 | Fine for body text |
| #903A53 text on black | 2.91:1 | Fails | Lc -17.6 | 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
#F4E5E8
oklch(93.5% 0.017 3.7)
-
Step 200
200
#EDD1D6
oklch(88.5% 0.032 5.6)
-
Step 300
300
#E2B2BC
oklch(81% 0.057 4.5)
-
Step 400
400
#D28899
oklch(70.7% 0.093 4.7)
-
Step 500
500
#C46980
oklch(63.1% 0.118 4.9)
-
Step 600
600
#AF4F6A
oklch(55.6% 0.128 4.5)
-
Step 700
700 (this color)
#903A53
oklch(47.3% 0.119 4.6)
-
Step 800
800
#7A3548
oklch(42.8% 0.098 4.8)
-
Step 900
900
#632F3C
oklch(37.8% 0.076 5.5)
-
Step 950
950
#3A1C23
oklch(27.1% 0.048 5.8)
#903A53 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) | #4A4D54 | 0.132 |
| Deuteranopia (no green cones) | #615D51 | 0.119 |
| Tritanopia (no blue cones) | #9C3143 | 0.032 |
| Achromatopsia (no color) | #575757 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903A53
#903A53
oklch(47.3% 0.119 4.6)
- #006B61
#006B61
oklch(47.4% 0.084 183.7)
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 #903A53, 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 Maroon #A24857 ΔE 0.051
- Brownish Purple #76424E ΔE 0.053
- Light Burgundy #A8415B ΔE 0.053
- Berry #990F4B ΔE 0.059
- Auburn #9B2226 ΔE 0.063
- Brown #A52A2A ΔE 0.065
- Purple Red #990147 ΔE 0.066
Use #903A53 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.