#831C5D
Closest named color: Red Purple (#820747). oklch(42.1% 0.152 347), rgb(131, 28, 93).
Aa
White text reads best on this color (9.17:1).
About this color
#831C5D is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.152 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.038 away. White text reads best on it, at 9.17:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.28:1 |
| White text | 9.17:1 |
Values
| HEX | #831C5D |
| RGB | rgb(131, 28, 93) |
| HSL | hsl(322, 65%, 31%) |
| OKLCH | oklch(42.1% 0.152 347) |
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 #831C5D | 9.17:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #831C5D | 2.28:1 | Fails | Lc 14.0 | Not readable |
| #831C5D text on white | 9.17:1 | AAA | Lc 89.9 | Fine for body text |
| #831C5D text on black | 2.28:1 | Fails | Lc -12.3 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F8E3ED
oklch(93.6% 0.026 347.1)
-
Step 200
200
#F3CDDF
oklch(88.6% 0.049 347.9)
-
Step 300
300
#ECAACC
oklch(81% 0.088 347)
-
Step 400
400
#DF79B2
oklch(70.7% 0.143 346.7)
-
Step 500
500
#D3529E
oklch(63.1% 0.181 347.1)
-
Step 600
600
#BE3089
oklch(55.6% 0.197 347)
-
Step 700
700
#A42074
oklch(49.1% 0.184 347.3)
-
Step 800
800 (this color)
#831C5D
oklch(42.1% 0.152 347)
-
Step 900
900
#6B204D
oklch(37.6% 0.118 347.3)
-
Step 950
950
#3F142D
oklch(26.9% 0.075 347.3)
#831C5D 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) | #2B3D5F | 0.170 |
| Deuteranopia (no green cones) | #4A4E5B | 0.148 |
| Tritanopia (no blue cones) | #8D183A | 0.062 |
| Achromatopsia (no color) | #484848 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831C5D
#831C5D
oklch(42.1% 0.152 347)
- #005C43
#005C43
oklch(42.1% 0.087 166.7)
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 #831C5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.038
- Mulberry #920A4E ΔE 0.040
- Velvet #750851 ΔE 0.044
- Wine #80013F ΔE 0.051
- Rich Purple #720058 ΔE 0.053
- Dark Fuchsia #9D0759 ΔE 0.054
- Berry #990F4B ΔE 0.055
- Purple Red #990147 ΔE 0.058
Use #831C5D 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.