#831640
Closest named color: Wine (#80013F). oklch(40.5% 0.145 4), rgb(131, 22, 64).
Aa
White text reads best on this color (9.74:1).
About this color
#831640 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.145 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Wine (#80013F), ΔE 0.022 away. White text reads best on it, at 9.74:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Wine (#80013F) |
| Black text | 2.15:1 |
| White text | 9.74:1 |
Values
| HEX | #831640 |
| RGB | rgb(131, 22, 64) |
| HSL | hsl(337, 71%, 30%) |
| OKLCH | oklch(40.5% 0.145 4) |
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 #831640 | 9.74:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #831640 | 2.15:1 | Fails | Lc 12.8 | Not readable |
| #831640 text on white | 9.74:1 | AAA | Lc 91.2 | Preferred for body text |
| #831640 text on black | 2.15:1 | Fails | Lc -11.1 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#F9E3E8
oklch(93.5% 0.025 2.1)
-
Step 200
200
#F6CDD5
oklch(88.6% 0.047 4.9)
-
Step 300
300
#F0AABA
oklch(80.9% 0.084 4.1)
-
Step 400
400
#E57A97
oklch(70.7% 0.135 3.9)
-
Step 500
500
#DA527D
oklch(63% 0.174 4)
-
Step 600
600
#C53067
oklch(55.5% 0.188 3.7)
-
Step 700
700
#AA2055
oklch(49.1% 0.175 4)
-
Step 800
800 (this color)
#831640
oklch(40.5% 0.145 4)
-
Step 900
900
#6F203B
oklch(37.6% 0.113 3.4)
-
Step 950
950
#421422
oklch(27% 0.073 4.5)
#831640 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) | #333641 | 0.163 |
| Deuteranopia (no green cones) | #4F4C3D | 0.149 |
| Tritanopia (no blue cones) | #8F0029 | 0.040 |
| Achromatopsia (no color) | #444444 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831640
#831640
oklch(40.5% 0.145 4)
- #00554D
#00554D
oklch(40.4% 0.072 184)
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 #831640, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wine #80013F ΔE 0.022
- Red Purple #820747 ΔE 0.022
- Red Wine #8C0034 ΔE 0.026
- Bordeaux #7B002C ΔE 0.038
- Mulberry #920A4E ΔE 0.039
- Wine Red #7B0323 ΔE 0.047
- Merlot #730039 ΔE 0.047
- Purple Red #990147 ΔE 0.047
Use #831640 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.