#511E4D
Closest named color: Grape Purple (#5D1451). oklch(33.1% 0.1 330.7), rgb(81, 30, 77).
Aa
White text reads best on this color (12.78:1).
About this color
#511E4D is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.100 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.030 away. White text reads best on it, at 12.78:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.64:1 |
| White text | 12.78:1 |
Values
| HEX | #511E4D |
| RGB | rgb(81, 30, 77) |
| HSL | hsl(305, 46%, 22%) |
| OKLCH | oklch(33.1% 0.1 330.7) |
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 #511E4D | 12.78:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #511E4D | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #511E4D text on white | 12.78:1 | AAA | Lc 98.4 | Preferred for body text |
| #511E4D 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
#FAF3F9
oklch(97.1% 0.011 330.1)
-
Step 100
100
#F3E5F1
oklch(93.6% 0.022 330.3)
-
Step 200
200
#EAD0E6
oklch(88.6% 0.041 331)
-
Step 300
300
#DDAFD7
oklch(80.8% 0.075 330.7)
-
Step 400
400
#CB84C3
oklch(70.7% 0.12 330.8)
-
Step 500
500
#BC63B4
oklch(63.1% 0.153 330.6)
-
Step 600
600
#A747A0
oklch(55.6% 0.167 330.4)
-
Step 700
700
#8F3789
oklch(49% 0.156 330.4)
-
Step 800
800
#752F6F
oklch(42.8% 0.129 331)
-
Step 900
900 (this color)
#511E4D
oklch(33.1% 0.1 330.7)
-
Step 950
950
#371A35
oklch(27% 0.063 329.7)
#511E4D 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) | #1B2E4E | 0.103 |
| Deuteranopia (no green cones) | #2B354C | 0.091 |
| Tritanopia (no blue cones) | #542332 | 0.054 |
| Achromatopsia (no color) | #323232 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511E4D
#511E4D
oklch(33.1% 0.1 330.7)
- #00421B
#00421B
oklch(33.2% 0.09 150.5)
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 #511E4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.030
- Plum Purple #4E0550 ΔE 0.044
- Deep Violet #490648 ΔE 0.048
- Eggplant Purple #430541 ΔE 0.061
- Rich Purple #720058 ΔE 0.076
- Aubergine #3D0734 ΔE 0.078
- Royal Purple #4B006E ΔE 0.078
- Velvet #750851 ΔE 0.078
Use #511E4D 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.