#831B48
Closest named color: Red Purple (#820747). oklch(41.2% 0.143 359.8), rgb(131, 27, 72).
Aa
White text reads best on this color (9.47:1).
About this color
#831B48 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.143 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.021 away. White text reads best on it, at 9.47:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.143) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.21:1 |
| White text | 9.47:1 |
Values
| HEX | #831B48 |
| RGB | rgb(131, 27, 72) |
| HSL | hsl(334, 66%, 31%) |
| OKLCH | oklch(41.2% 0.143 359.8) |
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 #831B48 | 9.47:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #831B48 | 2.21:1 | Fails | Lc 13.3 | Not readable |
| #831B48 text on white | 9.47:1 | AAA | Lc 90.7 | Preferred for body text |
| #831B48 text on black | 2.21:1 | Fails | Lc -11.6 | 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
#F9E4E9
oklch(93.7% 0.024 1.3)
-
Step 200
200
#F4CDD8
oklch(88.5% 0.046 359.2)
-
Step 300
300
#EEAABE
oklch(80.8% 0.083 359.9)
-
Step 400
400
#E37B9D
oklch(70.8% 0.133 0.2)
-
Step 500
500
#D75486
oklch(63.1% 0.171 359.5)
-
Step 600
600
#C2336F
oklch(55.5% 0.185 359.8)
-
Step 700
700
#A7235D
oklch(49% 0.173 359.7)
-
Step 800
800 (this color)
#831B48
oklch(41.2% 0.143 359.8)
-
Step 900
900
#6E213F
oklch(37.7% 0.112 0.1)
-
Step 950
950
#411525
oklch(27.1% 0.071 0.3)
#831B48 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) | #333949 | 0.161 |
| Deuteranopia (no green cones) | #4F4D46 | 0.144 |
| Tritanopia (no blue cones) | #8E062F | 0.043 |
| Achromatopsia (no color) | #464646 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831B48
#831B48
oklch(41.2% 0.143 359.8)
- #00584C
#00584C
oklch(41.2% 0.075 179.4)
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 #831B48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.021
- Wine #80013F ΔE 0.027
- Mulberry #920A4E ΔE 0.033
- Red Wine #8C0034 ΔE 0.036
- Berry #990F4B ΔE 0.046
- Purple Red #990147 ΔE 0.046
- Velvet #750851 ΔE 0.049
- Bordeaux #7B002C ΔE 0.050
Use #831B48 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.