#511E8A#511E8A

#511E8A is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.166 H 299.7°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#511E8A
RGB	rgb(81, 30, 138)
HSL	hsl(268, 64%, 33%)
HSV	hsv(268, 78%, 54%)
CMYK	cmyk(41.3%, 78.3%, 0%, 45.9%)
CIE-LAB	lab(25.30, 45.09, -50.38)
CIE-LCH	lch(25.30, 67.61, 311.83°)
OKLab	oklab(37.64% 0.0821 -0.144)
OKLCH	oklch(37.64% 0.166 299.7)
XYZ	xyz(8.4439, 4.5128, 24.4660)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E8A #578A1E

analogous

#1E218A #511E8A #871E8A

triadic

#511E8A #8A511E #1E8A51

tetradic

#511E8A #8A1E21 #578A1E #1E8A87

square

#511E8A #8A1E21 #578A1E #1E8A87

split-complementary

#511E8A #8A871E #218A1E

monochromatic

#160825 #331358 #511E8A #6F29BC #8D4BD8

Accessibility & contrast

On white

11.04

#511E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#511E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E8A

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E8A	#FFFFFF	#000000	##FFFFFF
##511E8A	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8D

Deuteranopia (green-blind)

#003B88

Tritanopia (blue-blind)

#433B53

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #511e8a;
/* rgb */ color: rgb(81, 30, 138);
/* oklch */ color: oklch(37.6% 0.166 299.7);

Tailwind

colors: {
  custom: {
    50: '#8860ad',
    500: '#511e8a',
    950: '#000000',
  },
}

SCSS

$custom: #511e8a;
$custom-light: #8860ad;
$custom-dark: #000000;

JSON

{
  "hex": "#511e8a",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 138
  },
  "hsl": {
    "h": 268.333,
    "s": 64.286,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37643,
    "c": 0.16576,
    "h": 299.7
  },
  "luminance": 0.04513
}

Semantic roles & 50–950 ramp

primary

#511E8A

secondary

#85BA4A

accent

#E74199

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511E8A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →