#831042
Closest named color: Red Purple (#820747). oklch(40.2% 0.151 1.9), rgb(131, 16, 66).
Aa
White text reads best on this color (9.91:1).
About this color
#831042 is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.151 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.014 away. White text reads best on it, at 9.91:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.11:1 |
| White text | 9.91:1 |
Values
| HEX | #831042 |
| RGB | rgb(131, 16, 66) |
| HSL | hsl(334, 78%, 29%) |
| OKLCH | oklch(40.2% 0.151 1.9) |
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 #831042 | 9.91:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #831042 | 2.11:1 | Fails | Lc 12.6 | Not readable |
| #831042 text on white | 9.91:1 | AAA | Lc 91.4 | Preferred for body text |
| #831042 text on black | 2.11:1 | Fails | Lc -11.0 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FAE3E8
oklch(93.6% 0.026 2.8)
-
Step 200
200
#F6CCD6
oklch(88.4% 0.049 2.2)
-
Step 300
300
#F1A9BC
oklch(80.9% 0.088 1.9)
-
Step 400
400
#E7789A
oklch(70.8% 0.141 1.9)
-
Step 500
500
#DC4F81
oklch(63.1% 0.181 1.9)
-
Step 600
600
#C72B6B
oklch(55.6% 0.196 1.7)
-
Step 700
700
#AB1B59
oklch(49% 0.181 1.7)
-
Step 800
800 (this color)
#831042
oklch(40.2% 0.151 1.9)
-
Step 900
900
#701E3D
oklch(37.7% 0.118 1.6)
-
Step 950
950
#421324
oklch(26.9% 0.075 1.1)
#831042 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) | #2F3543 | 0.171 |
| Deuteranopia (no green cones) | #4E4B3F | 0.153 |
| Tritanopia (no blue cones) | #8F0028 | 0.046 |
| Achromatopsia (no color) | #434343 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831042
#831042
oklch(40.2% 0.151 1.9)
- #00554B
#00554B
oklch(40.3% 0.072 181.4)
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 #831042, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.014
- Wine #80013F ΔE 0.015
- Red Wine #8C0034 ΔE 0.028
- Mulberry #920A4E ΔE 0.036
- Bordeaux #7B002C ΔE 0.039
- Merlot #730039 ΔE 0.043
- Purple Red #990147 ΔE 0.046
- Velvet #750851 ΔE 0.047
Use #831042 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.