#511659
Closest named color: Plum Purple (#4E0550). oklch(32.8% 0.124 322.7), rgb(81, 22, 89).
Aa
White text reads best on this color (13.05:1).
About this color
#511659 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.124 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.029 away. White text reads best on it, at 13.05:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.60:1 |
| White text | 13.05:1 |
Values
| HEX | #511659 |
| RGB | rgb(81, 22, 89) |
| HSL | hsl(293, 60%, 22%) |
| OKLCH | oklch(32.8% 0.124 322.7) |
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 #511659 | 13.05:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #511659 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #511659 text on white | 13.05:1 | AAA | Lc 98.6 | Preferred for body text |
| #511659 text on black | 1.60:1 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F3E4F5
oklch(93.6% 0.028 322.2)
-
Step 200
200
#EACEEE
oklch(88.4% 0.053 322)
-
Step 300
300
#DEADE4
oklch(81% 0.093 322.7)
-
Step 400
400
#CC7ED6
oklch(70.6% 0.149 322.8)
-
Step 500
500
#BD59CB
oklch(63% 0.19 322.6)
-
Step 600
600
#A939B8
oklch(55.6% 0.208 322.8)
-
Step 700
700
#912A9E
oklch(49.2% 0.192 323)
-
Step 800
800
#752580
oklch(42.6% 0.159 322.6)
-
Step 900
900 (this color)
#511659
oklch(32.8% 0.124 322.7)
-
Step 950
950
#38173C
oklch(27.1% 0.077 323.2)
#511659 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) | #022C5B | 0.128 |
| Deuteranopia (no green cones) | #203357 | 0.109 |
| Tritanopia (no blue cones) | #522236 | 0.074 |
| Achromatopsia (no color) | #313131 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511659
#511659
oklch(32.8% 0.124 322.7)
- #004201
#004201
oklch(32.9% 0.111 142.7)
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 #511659, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.029
- Grape Purple #5D1451 ΔE 0.031
- Deep Violet #490648 ΔE 0.042
- Royal Purple #4B006E ΔE 0.050
- Eggplant Purple #430541 ΔE 0.059
- Rich Purple #720058 ΔE 0.072
- Indigo #4B0082 ΔE 0.078
- Velvet #750851 ΔE 0.081
Use #511659 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.