#831E57
Closest named color: Red Purple (#820747). oklch(42% 0.146 350.8), rgb(131, 30, 87).
Aa
White text reads best on this color (9.17:1).
About this color
#831E57 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.146 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.031 away. White text reads best on it, at 9.17:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.28:1 |
| White text | 9.17:1 |
Values
| HEX | #831E57 |
| RGB | rgb(131, 30, 87) |
| HSL | hsl(326, 63%, 32%) |
| OKLCH | oklch(42% 0.146 350.8) |
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 #831E57 | 9.17:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #831E57 | 2.28:1 | Fails | Lc 14.0 | Not readable |
| #831E57 text on white | 9.17:1 | AAA | Lc 90.0 | Preferred for body text |
| #831E57 text on black | 2.28:1 | Fails | Lc -12.3 | 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
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F8E3EC
oklch(93.5% 0.026 349.8)
-
Step 200
200
#F3CDDD
oklch(88.5% 0.047 350.9)
-
Step 300
300
#ECAAC8
oklch(80.9% 0.086 350.3)
-
Step 400
400
#DF7AAB
oklch(70.6% 0.137 350.7)
-
Step 500
500
#D35497
oklch(63% 0.174 350.5)
-
Step 600
600
#BF3381
oklch(55.7% 0.19 351)
-
Step 700
700
#A4236D
oklch(49.1% 0.177 350.8)
-
Step 800
800 (this color)
#831E57
oklch(42% 0.146 350.8)
-
Step 900
900
#6B2149
oklch(37.6% 0.114 350.6)
-
Step 950
950
#3F152B
oklch(27% 0.072 350.4)
#831E57 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) | #2F3C59 | 0.164 |
| Deuteranopia (no green cones) | #4C4E55 | 0.144 |
| Tritanopia (no blue cones) | #8D1738 | 0.054 |
| Achromatopsia (no color) | #484848 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831E57
#831E57
oklch(42% 0.146 350.8)
- #005B47
#005B47
oklch(41.9% 0.082 171.2)
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 #831E57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.031
- Mulberry #920A4E ΔE 0.035
- Wine #80013F ΔE 0.044
- Velvet #750851 ΔE 0.044
- Berry #990F4B ΔE 0.049
- Purple Red #990147 ΔE 0.052
- Dark Fuchsia #9D0759 ΔE 0.053
- Rich Purple #720058 ΔE 0.057
Use #831E57 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.