#511759
Closest named color: Plum Purple (#4E0550). oklch(32.9% 0.123 322.6), rgb(81, 23, 89).
Aa
White text reads best on this color (12.98:1).
About this color
#511759 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.123 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 0.030 away. White text reads best on it, at 12.98:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.61:1 |
| White text | 12.98:1 |
Values
| HEX | #511759 |
| RGB | rgb(81, 23, 89) |
| HSL | hsl(293, 59%, 22%) |
| OKLCH | oklch(32.9% 0.123 322.6) |
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 #511759 | 12.98:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #511759 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #511759 text on white | 12.98:1 | AAA | Lc 98.5 | Preferred for body text |
| #511759 text on black | 1.61:1 | 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
#EACEED
oklch(88.4% 0.052 323)
-
Step 300
300
#DEADE4
oklch(81% 0.093 322.7)
-
Step 400
400
#CC7FD6
oklch(70.8% 0.148 322.8)
-
Step 500
500
#BD5ACB
oklch(63.1% 0.189 322.5)
-
Step 600
600
#A83AB7
oklch(55.5% 0.205 322.7)
-
Step 700
700
#902B9E
oklch(49.1% 0.191 322.5)
-
Step 800
800
#752680
oklch(42.7% 0.158 322.6)
-
Step 900
900 (this color)
#511759
oklch(32.9% 0.123 322.6)
-
Step 950
950
#38173C
oklch(27.1% 0.077 323.2)
#511759 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) | #042D5B | 0.126 |
| Deuteranopia (no green cones) | #213357 | 0.106 |
| Tritanopia (no blue cones) | #522236 | 0.073 |
| Achromatopsia (no color) | #313131 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511759
#511759
oklch(32.9% 0.123 322.6)
- #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 #511759, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.030
- Grape Purple #5D1451 ΔE 0.031
- Deep Violet #490648 ΔE 0.043
- Royal Purple #4B006E ΔE 0.051
- Eggplant Purple #430541 ΔE 0.060
- Rich Purple #720058 ΔE 0.072
- Indigo #4B0082 ΔE 0.079
- Velvet #750851 ΔE 0.081
Use #511759 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.