#831F50
Closest named color: Red Purple (#820747). oklch(41.8% 0.142 355.3), rgb(131, 31, 80).
Aa
White text reads best on this color (9.22:1).
About this color
#831F50 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.142 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.027 away. White text reads best on it, at 9.22:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #831F50 |
| RGB | rgb(131, 31, 80) |
| HSL | hsl(331, 62%, 32%) |
| OKLCH | oklch(41.8% 0.142 355.3) |
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 #831F50 | 9.22:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #831F50 | 2.27:1 | Fails | Lc 13.8 | Not readable |
| #831F50 text on white | 9.22:1 | AAA | Lc 90.2 | Preferred for body text |
| #831F50 text on black | 2.27:1 | Fails | Lc -12.1 | Not readable |
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 800.
-
Step 50
50
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F8E4EA
oklch(93.7% 0.023 357.4)
-
Step 200
200
#F3CDDA
oklch(88.4% 0.046 355.5)
-
Step 300
300
#EDABC3
oklch(81% 0.083 355.5)
-
Step 400
400
#E07BA4
oklch(70.6% 0.133 355.3)
-
Step 500
500
#D4558E
oklch(63% 0.17 355.1)
-
Step 600
600
#BF3578
oklch(55.5% 0.184 355.2)
-
Step 700
700
#A52665
oklch(49.2% 0.171 355.4)
-
Step 800
800 (this color)
#831F50
oklch(41.8% 0.142 355.3)
-
Step 900
900
#6C2244
oklch(37.7% 0.111 355.4)
-
Step 950
950
#401528
oklch(27% 0.071 355.4)
#831F50 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) | #333C51 | 0.158 |
| Deuteranopia (no green cones) | #4E4E4E | 0.142 |
| Tritanopia (no blue cones) | #8E1434 | 0.048 |
| Achromatopsia (no color) | #474747 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831F50
#831F50
oklch(41.8% 0.142 355.3)
- #005A4A
#005A4A
oklch(41.7% 0.079 175.1)
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 #831F50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.027
- Mulberry #920A4E ΔE 0.033
- Wine #80013F ΔE 0.037
- Berry #990F4B ΔE 0.046
- Red Wine #8C0034 ΔE 0.047
- Velvet #750851 ΔE 0.048
- Purple Red #990147 ΔE 0.048
- Dark Fuchsia #9D0759 ΔE 0.056
Use #831F50 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.