#511A80#511A80

#511A80 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.3% C 0.159 H 303.7°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#511A80
RGB	rgb(81, 26, 128)
HSL	hsl(272, 66%, 30%)
HSV	hsv(272, 80%, 50%)
CMYK	cmyk(36.7%, 79.7%, 0%, 49.8%)
CIE-LAB	lab(23.82, 44.30, -46.51)
CIE-LCH	lch(23.82, 64.23, 313.60°)
OKLab	oklab(36.34% 0.0883 -0.1326)
OKLCH	oklch(36.34% 0.159 303.7)
XYZ	xyz(7.6581, 4.0466, 20.7955)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.40

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A80 #49801A

analogous

#1E1A80 #511A80 #801A7C

triadic

#511A80 #80511A #1A8051

tetradic

#511A80 #801E1A #49801A #1A7C80

square

#511A80 #801E1A #49801A #1A7C80

split-complementary

#511A80 #7C801A #1A801E

monochromatic

#11051A #31104D #511A80 #7124B3 #903DD8

Accessibility & contrast

On white

11.61

#511A80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#511A80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A80

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A80	#FFFFFF	#000000	##FFFFFF
##511A80	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003883

Deuteranopia (green-blind)

#00397E

Tritanopia (blue-blind)

#48354C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511a80;
/* rgb */ color: rgb(81, 26, 128);
/* oklch */ color: oklch(36.3% 0.159 303.7);

Tailwind

colors: {
  custom: {
    50: '#875da6',
    500: '#511a80',
    950: '#000000',
  },
}

SCSS

$custom: #511a80;
$custom-light: #875da6;
$custom-dark: #000000;

JSON

{
  "hex": "#511a80",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 128
  },
  "hsl": {
    "h": 272.353,
    "s": 66.234,
    "l": 30.196
  },
  "oklch": {
    "l": 0.3634,
    "c": 0.15933,
    "h": 303.7
  },
  "luminance": 0.04047
}

Semantic roles & 50–950 ramp

primary

#511A80

secondary

#76B442

accent

#E93F8D

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511A80

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

Preview Lab → · Contrast checker → · Palette generator →