#903759
Closest named color: Dark Mauve (#874C62). oklch(47.1% 0.125 359.3), rgb(144, 55, 89).
Aa
White text reads best on this color (7.30:1).
About this color
#903759 is a medium-dark, moderately saturated red. In OKLCH its lightness is 47%, its chroma 0.125 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mauve (#874C62), ΔE 0.047 away. White text reads best on it, at 7.30:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #903759 |
| RGB | rgb(144, 55, 89) |
| HSL | hsl(337, 45%, 39%) |
| OKLCH | oklch(47.1% 0.125 359.3) |
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 #903759 | 7.30:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #903759 | 2.87:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #903759 text on white | 7.30:1 | AAA | Lc 84.7 | Fine for body text |
| #903759 text on black | 2.87:1 | Fails | Lc -17.3 | 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
#F5E5E9
oklch(93.6% 0.018 0.4)
-
Step 200
200
#EDD0D8
oklch(88.4% 0.034 359.3)
-
Step 300
300
#E3B1BF
oklch(81% 0.061 360)
-
Step 400
400
#D2879F
oklch(70.7% 0.096 359.1)
-
Step 500
500
#C46787
oklch(63% 0.123 359.3)
-
Step 600
600
#B04D71
oklch(55.7% 0.134 359.6)
-
Step 700
700 (this color)
#903759
oklch(47.1% 0.125 359.3)
-
Step 800
800
#7A334D
oklch(42.6% 0.103 359.4)
-
Step 900
900
#632D40
oklch(37.6% 0.081 359.5)
-
Step 950
950
#3A1B26
oklch(27% 0.051 358.5)
#903759 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) | #474C5A | 0.138 |
| Deuteranopia (no green cones) | #5E5D57 | 0.127 |
| Tritanopia (no blue cones) | #9B2F44 | 0.037 |
| Achromatopsia (no color) | #565656 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903759
#903759
oklch(47.1% 0.125 359.3)
- #006A5C
#006A5C
oklch(47% 0.085 179.5)
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 #903759, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mauve #874C62 ΔE 0.047
- Berry #990F4B ΔE 0.053
- Light Burgundy #A8415B ΔE 0.056
- Light Maroon #A24857 ΔE 0.058
- Brownish Purple #76424E ΔE 0.059
- Mulberry #920A4E ΔE 0.059
- Dark Fuchsia #9D0759 ΔE 0.060
- Purple Red #990147 ΔE 0.061
Use #903759 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.