#831B44
Closest named color: Red Purple (#820747). oklch(41.1% 0.142 2.3), rgb(131, 27, 68).
Aa
White text reads best on this color (9.52:1).
About this color
#831B44 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.142 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.023 away. White text reads best on it, at 9.52:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.20:1 |
| White text | 9.52:1 |
Values
| HEX | #831B44 |
| RGB | rgb(131, 27, 68) |
| HSL | hsl(336, 66%, 31%) |
| OKLCH | oklch(41.1% 0.142 2.3) |
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 #831B44 | 9.52:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #831B44 | 2.20:1 | Fails | Lc 13.2 | Not readable |
| #831B44 text on white | 9.52:1 | AAA | Lc 90.8 | Preferred for body text |
| #831B44 text on black | 2.20:1 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F9E4E8
oklch(93.7% 0.024 4.5)
-
Step 200
200
#F5CDD6
oklch(88.5% 0.046 2.9)
-
Step 300
300
#EFABBC
oklch(81% 0.082 2.6)
-
Step 400
400
#E37B9A
oklch(70.7% 0.132 2)
-
Step 500
500
#D85581
oklch(63.2% 0.169 2.3)
-
Step 600
600
#C3336A
oklch(55.6% 0.184 2.3)
-
Step 700
700
#A82458
oklch(49.1% 0.171 2.6)
-
Step 800
800 (this color)
#831B44
oklch(41.1% 0.142 2.3)
-
Step 900
900
#6E223D
oklch(37.8% 0.11 2.1)
-
Step 950
950
#411523
oklch(27% 0.07 3.2)
#831B44 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) | #343945 | 0.159 |
| Deuteranopia (no green cones) | #504D42 | 0.144 |
| Tritanopia (no blue cones) | #8F032D | 0.041 |
| Achromatopsia (no color) | #454545 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831B44
#831B44
oklch(41.1% 0.142 2.3)
- #00574E
#00574E
oklch(41% 0.073 182.9)
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 #831B44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.023
- Wine #80013F ΔE 0.027
- Red Wine #8C0034 ΔE 0.031
- Mulberry #920A4E ΔE 0.036
- Bordeaux #7B002C ΔE 0.045
- Purple Red #990147 ΔE 0.046
- Berry #990F4B ΔE 0.047
- Merlot #730039 ΔE 0.051
Use #831B44 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.