#831F42
Closest named color: Red Purple (#820747). oklch(41.4% 0.137 4.5), rgb(131, 31, 66).
Aa
White text reads best on this color (9.37:1).
About this color
#831F42 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.137 and its hue 4°. 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 9.37:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.23:1 |
| White text | 9.37:1 |
Values
| HEX | #831F42 |
| RGB | rgb(131, 31, 66) |
| HSL | hsl(339, 62%, 32%) |
| OKLCH | oklch(41.4% 0.137 4.5) |
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 #831F42 | 9.37:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #831F42 | 2.23:1 | Fails | Lc 13.4 | Not readable |
| #831F42 text on white | 9.37:1 | AAA | Lc 90.5 | Preferred for body text |
| #831F42 text on black | 2.23:1 | Fails | Lc -11.8 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F8E4E8
oklch(93.6% 0.022 3.8)
-
Step 200
200
#F4CED5
oklch(88.6% 0.044 5.5)
-
Step 300
300
#EEABBA
oklch(80.8% 0.081 4.3)
-
Step 400
400
#E27D97
oklch(70.8% 0.127 4.4)
-
Step 500
500
#D6577D
oklch(63% 0.163 4.4)
-
Step 600
600
#C23766
oklch(55.6% 0.178 4.7)
-
Step 700
700
#A72855
oklch(49.2% 0.165 4.5)
-
Step 800
800 (this color)
#831F42
oklch(41.4% 0.137 4.5)
-
Step 900
900
#6D233A
oklch(37.6% 0.107 4.7)
-
Step 950
950
#401622
oklch(27% 0.067 4.8)
#831F42 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) | #373A43 | 0.153 |
| Deuteranopia (no green cones) | #514E40 | 0.140 |
| Tritanopia (no blue cones) | #8F0A2E | 0.037 |
| Achromatopsia (no color) | #464646 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831F42
#831F42
oklch(41.4% 0.137 4.5)
- #005850
#005850
oklch(41.4% 0.073 184.3)
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 #831F42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.031
- Red Wine #8C0034 ΔE 0.032
- Wine #80013F ΔE 0.033
- Mulberry #920A4E ΔE 0.040
- Bordeaux #7B002C ΔE 0.046
- Berry #990F4B ΔE 0.048
- Purple Red #990147 ΔE 0.048
- Wine Red #7B0323 ΔE 0.052
Use #831F42 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.