#903E51
Closest named color: Dark Mauve (#874C62). oklch(47.8% 0.112 7.9), rgb(144, 62, 81).
Aa
White text reads best on this color (7.01:1).
About this color
#903E51 is a medium-dark, moderately saturated red. In OKLCH its lightness is 48%, its chroma 0.112 and its hue 8°. 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 7.01:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #903E51 |
| RGB | rgb(144, 62, 81) |
| HSL | hsl(346, 40%, 40%) |
| OKLCH | oklch(47.8% 0.112 7.9) |
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 #903E51 | 7.01:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #903E51 | 2.99:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #903E51 text on white | 7.01:1 | AAA | Lc 83.8 | Fine for body text |
| #903E51 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
#FAF3F4
oklch(97% 0.008 7.3)
-
Step 100
100
#F4E6E8
oklch(93.7% 0.015 7.5)
-
Step 200
200
#ECD1D5
oklch(88.4% 0.031 7.6)
-
Step 300
300
#E1B3BA
oklch(81% 0.054 8.1)
-
Step 400
400
#D08A96
oklch(70.7% 0.087 8.3)
-
Step 500
500
#C26B7D
oklch(63.1% 0.112 7.6)
-
Step 600
600
#AD5266
oklch(55.7% 0.12 8)
-
Step 700
700 (this color)
#903E51
oklch(47.8% 0.112 7.9)
-
Step 800
800
#783745
oklch(42.7% 0.092 8.2)
-
Step 900
900
#61303A
oklch(37.7% 0.072 8.1)
-
Step 950
950
#391C22
oklch(26.9% 0.046 7.4)
#903E51 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) | #4E4F51 | 0.124 |
| Deuteranopia (no green cones) | #635F4F | 0.114 |
| Tritanopia (no blue cones) | #9C3545 | 0.029 |
| Achromatopsia (no color) | #595959 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903E51
#903E51
oklch(47.8% 0.112 7.9)
- #006C66
#006C66
oklch(47.9% 0.083 188.1)
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 #903E51, 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 0.045
- Light Burgundy #A8415B ΔE 0.051
- Brownish Purple #76424E ΔE 0.051
- Brown #A52A2A ΔE 0.063
- Brick #A03623 ΔE 0.063
- Auburn #9B2226 ΔE 0.063
- Berry #990F4B ΔE 0.068
Use #903E51 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.