#531B39
Closest named color: Grape Purple (#5D1451). oklch(32% 0.091 350.3), rgb(83, 27, 57).
Aa
White text reads best on this color (13.26:1).
About this color
#531B39 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.091 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.050 away. White text reads best on it, at 13.26:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.58:1 |
| White text | 13.26:1 |
Values
| HEX | #531B39 |
| RGB | rgb(83, 27, 57) |
| HSL | hsl(328, 51%, 22%) |
| OKLCH | oklch(32% 0.091 350.3) |
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 #531B39 | 13.26:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #531B39 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #531B39 text on white | 13.26:1 | AAA | Lc 99.1 | Preferred for body text |
| #531B39 text on black | 1.58:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#FEF2F7
oklch(97.2% 0.014 350.1)
-
Step 100
100
#FBE2ED
oklch(93.6% 0.031 349.3)
-
Step 200
200
#F9CADE
oklch(88.5% 0.059 350.9)
-
Step 300
300
#F6A4CA
oklch(81% 0.107 350.4)
-
Step 400
400
#ED6DAF
oklch(70.7% 0.173 350.3)
-
Step 500
500
#E33B9B
oklch(63.1% 0.22 350.4)
-
Step 600
600
#CC0085
oklch(55.7% 0.232 350.5)
-
Step 700
700
#AC0070
oklch(49.1% 0.205 350.2)
-
Step 800
800
#8E005C
oklch(42.6% 0.178 350.1)
-
Step 900
900
#740F4C
oklch(37.7% 0.144 350)
-
Step 950
950 (this color)
#531B39
oklch(32% 0.091 350.3)
#531B39 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) | #22293A | 0.100 |
| Deuteranopia (no green cones) | #323338 | 0.089 |
| Tritanopia (no blue cones) | #591927 | 0.034 |
| Achromatopsia (no color) | #303030 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #531B39
#531B39
oklch(32% 0.091 350.3)
- #003D2E
#003D2E
oklch(32% 0.063 170.2)
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 #531B39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.050
- Burgundy #610023 ΔE 0.051
- Deep Violet #490648 ΔE 0.060
- Plum Purple #4E0550 ΔE 0.064
- Eggplant Purple #430541 ΔE 0.065
- Claret #680018 ΔE 0.068
- Merlot #730039 ΔE 0.071
- Aubergine #3D0734 ΔE 0.071
Use #531B39 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.