#903866
Closest named color: Dark Mauve (#874C62). oklch(47.7% 0.13 350.7), rgb(144, 56, 102).
Aa
White text reads best on this color (7.13:1).
About this color
#903866 is a medium-dark, moderately saturated red. In OKLCH its lightness is 48%, its chroma 0.130 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mauve (#874C62), ΔE 0.050 away. White text reads best on it, at 7.13:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #903866 |
| RGB | rgb(144, 56, 102) |
| HSL | hsl(329, 44%, 39%) |
| OKLCH | oklch(47.7% 0.13 350.7) |
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 #903866 | 7.13:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #903866 | 2.94:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #903866 text on white | 7.13:1 | AAA | Lc 84.1 | Fine for body text |
| #903866 text on black | 2.94:1 | Fails | Lc -17.8 | 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
#ECD0DC
oklch(88.4% 0.035 350.1)
-
Step 300
300
#E1B1C6
oklch(81% 0.062 350.5)
-
Step 400
400
#D086A9
oklch(70.6% 0.101 350.1)
-
Step 500
500
#C26693
oklch(63% 0.128 350.7)
-
Step 600
600
#AD4C7E
oklch(55.6% 0.139 350.4)
-
Step 700
700 (this color)
#903866
oklch(47.7% 0.13 350.7)
-
Step 800
800
#793256
oklch(42.7% 0.108 351)
-
Step 900
900
#622D47
oklch(37.8% 0.084 351.1)
-
Step 950
950
#391B2A
oklch(27% 0.052 349.8)
#903866 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) | #434E67 | 0.143 |
| Deuteranopia (no green cones) | #5C5E64 | 0.128 |
| Tritanopia (no blue cones) | #9A344A | 0.047 |
| Achromatopsia (no color) | #585858 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903866
#903866
oklch(47.7% 0.13 350.7)
- #006D55
#006D55
oklch(47.6% 0.094 170.7)
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 #903866, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mauve #874C62 ΔE 0.050
- Light Eggplant #894585 ΔE 0.052
- Dark Fuchsia #9D0759 ΔE 0.059
- Light Burgundy #A8415B ΔE 0.061
- Berry #990F4B ΔE 0.061
- Deep Magenta #A0025C ΔE 0.062
- Mulberry #920A4E ΔE 0.064
- Red Violet #9E0168 ΔE 0.065
Use #903866 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.