#831550
Closest named color: Red Purple (#820747). oklch(41% 0.152 354), rgb(131, 21, 80).
Aa
White text reads best on this color (9.59:1).
About this color
#831550 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.152 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.017 away. White text reads best on it, at 9.59:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.18:1 |
| White text | 9.59:1 |
Values
| HEX | #831550 |
| RGB | rgb(131, 21, 80) |
| HSL | hsl(328, 72%, 30%) |
| OKLCH | oklch(41% 0.152 354) |
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 #831550 | 9.59:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #831550 | 2.18:1 | Fails | Lc 13.2 | Not readable |
| #831550 text on white | 9.59:1 | AAA | Lc 90.8 | Preferred for body text |
| #831550 text on black | 2.18:1 | Fails | Lc -11.5 | 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
#F9E3EB
oklch(93.6% 0.026 353.5)
-
Step 200
200
#F5CCDB
oklch(88.5% 0.05 354.2)
-
Step 300
300
#EFA9C4
oklch(80.9% 0.089 354.4)
-
Step 400
400
#E378A7
oklch(70.6% 0.142 353.6)
-
Step 500
500
#D85091
oklch(63.1% 0.182 353.9)
-
Step 600
600
#C32C7B
oklch(55.5% 0.197 354)
-
Step 700
700
#A81C68
oklch(49.1% 0.184 353.8)
-
Step 800
800 (this color)
#831550
oklch(41% 0.152 354)
-
Step 900
900
#6E1F46
oklch(37.7% 0.118 353.9)
-
Step 950
950
#411429
oklch(27.1% 0.074 354.2)
#831550 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) | #2D3851 | 0.172 |
| Deuteranopia (no green cones) | #4C4C4E | 0.151 |
| Tritanopia (no blue cones) | #8E0331 | 0.053 |
| Achromatopsia (no color) | #454545 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831550
#831550
oklch(41% 0.152 354)
- #005847
#005847
oklch(41.1% 0.078 173.7)
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 #831550, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.017
- Wine #80013F ΔE 0.030
- Mulberry #920A4E ΔE 0.031
- Velvet #750851 ΔE 0.038
- Red Wine #8C0034 ΔE 0.047
- Berry #990F4B ΔE 0.048
- Purple Red #990147 ΔE 0.048
- Rich Purple #720058 ΔE 0.053
Use #831550 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.