#531B4E
Closest named color: Grape Purple (#5D1451). oklch(33.1% 0.108 331.4), rgb(83, 27, 78).
Aa
White text reads best on this color (12.84:1).
About this color
#531B4E is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.108 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.024 away. White text reads best on it, at 12.84:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.63:1 |
| White text | 12.84:1 |
Values
| HEX | #531B4E |
| RGB | rgb(83, 27, 78) |
| HSL | hsl(305, 51%, 22%) |
| OKLCH | oklch(33.1% 0.108 331.4) |
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 #531B4E | 12.84:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #531B4E | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #531B4E text on white | 12.84:1 | AAA | Lc 98.4 | Preferred for body text |
| #531B4E text on black | 1.63:1 | 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 900.
-
Step 50
50
#FAF3F9
oklch(97.1% 0.011 330.1)
-
Step 100
100
#F4E4F1
oklch(93.5% 0.024 331.9)
-
Step 200
200
#EBCFE7
oklch(88.5% 0.044 330.6)
-
Step 300
300
#E0AED9
oklch(80.9% 0.081 331.1)
-
Step 400
400
#CF81C5
oklch(70.7% 0.13 331.6)
-
Step 500
500
#C05EB6
oklch(63% 0.165 331.3)
-
Step 600
600
#AB41A2
oklch(55.5% 0.18 331.2)
-
Step 700
700
#93328B
oklch(49.1% 0.167 331.2)
-
Step 800
800
#772B70
oklch(42.6% 0.137 331.5)
-
Step 900
900 (this color)
#531B4E
oklch(33.1% 0.108 331.4)
-
Step 950
950
#391835
oklch(27% 0.068 332)
#531B4E 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) | #182D50 | 0.112 |
| Deuteranopia (no green cones) | #2B354D | 0.097 |
| Tritanopia (no blue cones) | #562031 | 0.057 |
| Achromatopsia (no color) | #323232 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #531B4E
#531B4E
oklch(33.1% 0.108 331.4)
- #00421C
#00421C
oklch(33.2% 0.089 151.1)
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 #531B4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.024
- Plum Purple #4E0550 ΔE 0.039
- Deep Violet #490648 ΔE 0.045
- Eggplant Purple #430541 ΔE 0.059
- Rich Purple #720058 ΔE 0.071
- Velvet #750851 ΔE 0.074
- Royal Purple #4B006E ΔE 0.074
- Aubergine #3D0734 ΔE 0.078
Use #531B4E 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.