#511C4F
Closest named color: Grape Purple (#5D1451). oklch(32.9% 0.106 329.2), rgb(81, 28, 79).
Aa
White text reads best on this color (12.89:1).
About this color
#511C4F is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.106 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.028 away. White text reads best on it, at 12.89:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.62:1 |
| White text | 12.89:1 |
Values
| HEX | #511C4F |
| RGB | rgb(81, 28, 79) |
| HSL | hsl(302, 49%, 21%) |
| OKLCH | oklch(32.9% 0.106 329.2) |
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 #511C4F | 12.89:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #511C4F | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #511C4F text on white | 12.89:1 | AAA | Lc 98.5 | Preferred for body text |
| #511C4F 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
#FAF3F9
oklch(97.1% 0.011 330.1)
-
Step 100
100
#F3E5F1
oklch(93.6% 0.022 330.3)
-
Step 200
200
#EACFE8
oklch(88.4% 0.045 328.3)
-
Step 300
300
#DEAFDA
oklch(81% 0.079 329.1)
-
Step 400
400
#CC83C7
oklch(70.8% 0.126 329.2)
-
Step 500
500
#BD60B9
oklch(63% 0.163 328.9)
-
Step 600
600
#A844A4
oklch(55.6% 0.175 329.2)
-
Step 700
700
#90358D
oklch(49.1% 0.163 329)
-
Step 800
800
#752D72
oklch(42.7% 0.135 329.3)
-
Step 900
900 (this color)
#511C4F
oklch(32.9% 0.106 329.2)
-
Step 950
950
#381936
oklch(27.1% 0.067 329.6)
#511C4F 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) | #172D51 | 0.109 |
| Deuteranopia (no green cones) | #29344E | 0.094 |
| Tritanopia (no blue cones) | #542232 | 0.059 |
| Achromatopsia (no color) | #323232 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511C4F
#511C4F
oklch(32.9% 0.106 329.2)
- #004118
#004118
oklch(32.8% 0.092 149.3)
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 #511C4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.028
- Plum Purple #4E0550 ΔE 0.039
- Deep Violet #490648 ΔE 0.044
- Eggplant Purple #430541 ΔE 0.058
- Royal Purple #4B006E ΔE 0.072
- Rich Purple #720058 ΔE 0.074
- Aubergine #3D0734 ΔE 0.077
- Velvet #750851 ΔE 0.078
Use #511C4F 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.