#511A59
Closest named color: Grape Purple (#5D1451). oklch(33.3% 0.119 322.4), rgb(81, 26, 89).
Aa
White text reads best on this color (12.79:1).
About this color
#511A59 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.119 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.031 away. White text reads best on it, at 12.79:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.64:1 |
| White text | 12.79:1 |
Values
| HEX | #511A59 |
| RGB | rgb(81, 26, 89) |
| HSL | hsl(292, 55%, 23%) |
| OKLCH | oklch(33.3% 0.119 322.4) |
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 #511A59 | 12.79:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #511A59 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #511A59 text on white | 12.79:1 | AAA | Lc 98.2 | Preferred for body text |
| #511A59 text on black | 1.64:1 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F2E4F4
oklch(93.5% 0.026 321.9)
-
Step 200
200
#E9CFED
oklch(88.5% 0.049 321.7)
-
Step 300
300
#DCAEE3
oklch(80.9% 0.089 321.9)
-
Step 400
400
#CA80D4
oklch(70.6% 0.143 322.6)
-
Step 500
500
#BB5DC9
oklch(63.2% 0.181 322.3)
-
Step 600
600
#A63EB5
oklch(55.5% 0.197 322.4)
-
Step 700
700
#8E2F9C
oklch(49.1% 0.183 322.3)
-
Step 800
800
#74297F
oklch(42.8% 0.152 322.3)
-
Step 900
900 (this color)
#511A59
oklch(33.3% 0.119 322.4)
-
Step 950
950
#37183C
oklch(27.1% 0.075 321.9)
#511A59 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) | #0A2E5B | 0.120 |
| Deuteranopia (no green cones) | #223457 | 0.103 |
| Tritanopia (no blue cones) | #522437 | 0.070 |
| Achromatopsia (no color) | #323232 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511A59
#511A59
oklch(33.3% 0.119 322.4)
- #014300
#014300
oklch(33.2% 0.113 142.3)
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 #511A59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.031
- Plum Purple #4E0550 ΔE 0.035
- Deep Violet #490648 ΔE 0.047
- Royal Purple #4B006E ΔE 0.055
- Eggplant Purple #430541 ΔE 0.063
- Rich Purple #720058 ΔE 0.073
- Velvet #750851 ΔE 0.080
- Indigo #4B0082 ΔE 0.080
Use #511A59 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.