#831C4D
Closest named color: Red Purple (#820747). oklch(41.5% 0.144 356.7), rgb(131, 28, 77).
Aa
White text reads best on this color (9.38:1).
About this color
#831C4D is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.144 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.022 away. White text reads best on it, at 9.38:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.23:1 |
| White text | 9.38:1 |
Values
| HEX | #831C4D |
| RGB | rgb(131, 28, 77) |
| HSL | hsl(331, 65%, 31%) |
| OKLCH | oklch(41.5% 0.144 356.7) |
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 #831C4D | 9.38:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #831C4D | 2.23:1 | Fails | Lc 13.5 | Not readable |
| #831C4D text on white | 9.38:1 | AAA | Lc 90.5 | Preferred for body text |
| #831C4D 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
#FCF2F5
oklch(97% 0.011 357)
-
Step 100
100
#F8E4EA
oklch(93.7% 0.023 357.4)
-
Step 200
200
#F4CDDA
oklch(88.5% 0.047 356.1)
-
Step 300
300
#EEAAC1
oklch(80.9% 0.085 357.2)
-
Step 400
400
#E27BA2
oklch(70.8% 0.134 357)
-
Step 500
500
#D6548B
oklch(63.1% 0.172 356.9)
-
Step 600
600
#C13375
oklch(55.6% 0.186 356.8)
-
Step 700
700
#A62362
oklch(49% 0.174 356.9)
-
Step 800
800 (this color)
#831C4D
oklch(41.5% 0.144 356.7)
-
Step 900
900
#6D2143
oklch(37.7% 0.113 356.4)
-
Step 950
950
#401527
oklch(27% 0.071 356.8)
#831C4D 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) | #323A4E | 0.161 |
| Deuteranopia (no green cones) | #4E4D4B | 0.144 |
| Tritanopia (no blue cones) | #8E0D32 | 0.047 |
| Achromatopsia (no color) | #464646 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831C4D
#831C4D
oklch(41.5% 0.144 356.7)
- #00594B
#00594B
oklch(41.5% 0.077 177.2)
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 #831C4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.022
- Wine #80013F ΔE 0.032
- Mulberry #920A4E ΔE 0.032
- Red Wine #8C0034 ΔE 0.043
- Berry #990F4B ΔE 0.045
- Velvet #750851 ΔE 0.046
- Purple Red #990147 ΔE 0.046
- Merlot #730039 ΔE 0.056
Use #831C4D 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.