#904F71
Closest named color: Dark Mauve (#874C62). oklch(51.5% 0.097 348.4), rgb(144, 79, 113).
Aa
White text reads best on this color (5.92:1).
About this color
#904F71 is a medium-dark, moderately saturated red. In OKLCH its lightness is 52%, its chroma 0.097 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mauve (#874C62), ΔE 0.029 away. White text reads best on it, at 5.92:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 3.54:1 |
| White text | 5.92:1 |
Values
| HEX | #904F71 |
| RGB | rgb(144, 79, 113) |
| HSL | hsl(329, 29%, 44%) |
| OKLCH | oklch(51.5% 0.097 348.4) |
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 #904F71 | 5.92:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #904F71 | 3.54:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #904F71 text on white | 5.92:1 | AA | Lc 79.4 | Fine for body text |
| #904F71 text on black | 3.54:1 | AA large text | Lc -22.4 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F1E6EB
oklch(93.5% 0.014 348)
-
Step 200
200
#E7D3DC
oklch(88.6% 0.025 348.6)
-
Step 300
300
#D9B5C6
oklch(81% 0.047 348.1)
-
Step 400
400
#C58EA8
oklch(70.8% 0.075 349.2)
-
Step 500
500
#B57193
oklch(63.2% 0.096 348.8)
-
Step 600
600
#A0587E
oklch(55.6% 0.106 348.2)
-
Step 700
700 (this color)
#904F71
oklch(51.5% 0.097 348.4)
-
Step 800
800
#6F3C56
oklch(42.8% 0.079 349.1)
-
Step 900
900
#5A3347
oklch(37.6% 0.063 348.5)
-
Step 950
950
#351E2A
oklch(27% 0.041 347.6)
#904F71 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) | #555D72 | 0.104 |
| Deuteranopia (no green cones) | #66686F | 0.095 |
| Tritanopia (no blue cones) | #984E5B | 0.037 |
| Achromatopsia (no color) | #646464 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #904F71
#904F71
oklch(51.5% 0.097 348.4)
- #17795D
#17795D
oklch(51.5% 0.097 168.3)
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 #904F71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mauve #874C62 ΔE 0.029
- Dusky Purple #895B7B ΔE 0.031
- Dull Purple #84597E ΔE 0.033
- Light Plum #9D5783 ΔE 0.040
- Muted Purple #805B87 ΔE 0.046
- Light Eggplant #894585 ΔE 0.049
- Dusty Purple #825F87 ΔE 0.049
- Light Maroon #A24857 ΔE 0.050
Use #904F71 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.