#831C41
Closest named color: Red Purple (#820747). oklch(41% 0.14 4.5), rgb(131, 28, 65).
Aa
White text reads best on this color (9.51:1).
About this color
#831C41 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.140 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.028 away. White text reads best on it, at 9.51:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.140) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.20:1 |
| White text | 9.51:1 |
Values
| HEX | #831C41 |
| RGB | rgb(131, 28, 65) |
| HSL | hsl(338, 65%, 31%) |
| OKLCH | oklch(41% 0.14 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 #831C41 | 9.51:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #831C41 | 2.20:1 | Fails | Lc 13.2 | Not readable |
| #831C41 text on white | 9.51:1 | AAA | Lc 90.8 | Preferred for body text |
| #831C41 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F9E4E8
oklch(93.7% 0.024 4.5)
-
Step 200
200
#F5CDD5
oklch(88.5% 0.046 4.6)
-
Step 300
300
#EFABBA
oklch(80.9% 0.082 4.5)
-
Step 400
400
#E37C96
oklch(70.7% 0.13 4.8)
-
Step 500
500
#D8567D
oklch(63.2% 0.166 4.5)
-
Step 600
600
#C33566
oklch(55.6% 0.181 4.5)
-
Step 700
700
#A82555
oklch(49.1% 0.169 4.3)
-
Step 800
800 (this color)
#831C41
oklch(41% 0.14 4.5)
-
Step 900
900
#6E223A
oklch(37.7% 0.109 4.6)
-
Step 950
950
#411522
oklch(27% 0.07 4.6)
#831C41 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) | #353942 | 0.157 |
| Deuteranopia (no green cones) | #514D3F | 0.142 |
| Tritanopia (no blue cones) | #8F032C | 0.038 |
| Achromatopsia (no color) | #454545 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831C41
#831C41
oklch(41% 0.14 4.5)
- #00574F
#00574F
oklch(41% 0.073 184.2)
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 #831C41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.028
- Wine #80013F ΔE 0.029
- Red Wine #8C0034 ΔE 0.029
- Mulberry #920A4E ΔE 0.040
- Bordeaux #7B002C ΔE 0.043
- Purple Red #990147 ΔE 0.047
- Berry #990F4B ΔE 0.048
- Wine Red #7B0323 ΔE 0.050
Use #831C41 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.