#831349
Closest named color: Red Purple (#820747). oklch(40.6% 0.151 358), rgb(131, 19, 73).
Aa
White text reads best on this color (9.74:1).
About this color
#831349 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.151 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.011 away. White text reads best on it, at 9.74:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.15:1 |
| White text | 9.74:1 |
Values
| HEX | #831349 |
| RGB | rgb(131, 19, 73) |
| HSL | hsl(331, 75%, 29%) |
| OKLCH | oklch(40.6% 0.151 358) |
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 #831349 | 9.74:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #831349 | 2.15:1 | Fails | Lc 12.9 | Not readable |
| #831349 text on white | 9.74:1 | AAA | Lc 91.1 | Preferred for body text |
| #831349 text on black | 2.15:1 | Fails | Lc -11.2 | 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
#F9E3EA
oklch(93.6% 0.026 356.3)
-
Step 200
200
#F5CCD9
oklch(88.4% 0.049 357.1)
-
Step 300
300
#F0A9C0
oklch(80.9% 0.088 358.2)
-
Step 400
400
#E578A0
oklch(70.7% 0.141 358)
-
Step 500
500
#DA5089
oklch(63.1% 0.18 358)
-
Step 600
600
#C52C73
oklch(55.6% 0.196 357.9)
-
Step 700
700
#AA1C60
oklch(49.2% 0.182 358.2)
-
Step 800
800 (this color)
#831349
oklch(40.6% 0.151 358)
-
Step 900
900
#6F1F41
oklch(37.7% 0.117 358.3)
-
Step 950
950
#411426
oklch(27% 0.073 358.3)
#831349 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) | #2E374A | 0.171 |
| Deuteranopia (no green cones) | #4D4B47 | 0.151 |
| Tritanopia (no blue cones) | #8E002D | 0.048 |
| Achromatopsia (no color) | #444444 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831349
#831349
oklch(40.6% 0.151 358)
- #005649
#005649
oklch(40.5% 0.075 177.9)
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 #831349, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.011
- Wine #80013F ΔE 0.021
- Mulberry #920A4E ΔE 0.032
- Red Wine #8C0034 ΔE 0.037
- Velvet #750851 ΔE 0.041
- Purple Red #990147 ΔE 0.046
- Berry #990F4B ΔE 0.047
- Merlot #730039 ΔE 0.048
Use #831349 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.