#531B4B
Closest named color: Grape Purple (#5D1451). oklch(32.9% 0.105 333.7), rgb(83, 27, 75).
Aa
White text reads best on this color (12.91:1).
About this color
#531B4B is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.105 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.026 away. White text reads best on it, at 12.91:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.62:1 |
| White text | 12.91:1 |
Values
| HEX | #531B4B |
| RGB | rgb(83, 27, 75) |
| HSL | hsl(309, 51%, 22%) |
| OKLCH | oklch(32.9% 0.105 333.7) |
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 #531B4B | 12.91:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #531B4B | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #531B4B text on white | 12.91:1 | AAA | Lc 98.5 | Preferred for body text |
| #531B4B text on black | 1.62:1 | 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
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F4E5F0
oklch(93.7% 0.022 334.9)
-
Step 200
200
#ECCFE5
oklch(88.5% 0.043 334.3)
-
Step 300
300
#E1AED6
oklch(80.9% 0.079 334)
-
Step 400
400
#CF82C1
oklch(70.7% 0.124 333.7)
-
Step 500
500
#C15FB1
oklch(63% 0.16 333.8)
-
Step 600
600
#AC429D
oklch(55.5% 0.175 333.6)
-
Step 700
700
#943386
oklch(49.1% 0.163 333.9)
-
Step 800
800
#782C6D
oklch(42.8% 0.134 333.7)
-
Step 900
900 (this color)
#531B4B
oklch(32.9% 0.105 333.7)
-
Step 950
950
#391834
oklch(26.9% 0.067 333.3)
#531B4B 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) | #1A2C4C | 0.110 |
| Deuteranopia (no green cones) | #2C344A | 0.095 |
| Tritanopia (no blue cones) | #571F30 | 0.053 |
| Achromatopsia (no color) | #323232 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #531B4B
#531B4B
oklch(32.9% 0.105 333.7)
- #004120
#004120
oklch(32.9% 0.083 153.8)
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 #531B4B, closest first.
No curated palette has a color within ΔE 0.04 of #531B4B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.026
- Plum Purple #4E0550 ΔE 0.041
- Deep Violet #490648 ΔE 0.045
- Eggplant Purple #430541 ΔE 0.059
- Rich Purple #720058 ΔE 0.072
- Velvet #750851 ΔE 0.074
- Burgundy #610023 ΔE 0.075
- Aubergine #3D0734 ΔE 0.075
Use #531B4B 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.