#511780#511780

#511780 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.0% C 0.162 H 304.0°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#511780
RGB	rgb(81, 23, 128)
HSL	hsl(273, 70%, 30%)
HSV	hsv(273, 82%, 50%)
CMYK	cmyk(36.7%, 82%, 0%, 49.8%)
CIE-LAB	lab(23.41, 45.50, -47.19)
CIE-LCH	lch(23.41, 65.56, 313.95°)
OKLab	oklab(36.05% 0.0909 -0.1346)
OKLCH	oklch(36.05% 0.162 304)
XYZ	xyz(7.5951, 3.9207, 20.7745)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.95

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511780 #468017

analogous

#1D1780 #511780 #80177B

triadic

#511780 #805117 #178051

tetradic

#511780 #801D17 #468017 #177B80

square

#511780 #801D17 #468017 #177B80

split-complementary

#511780 #7B8017 #17801D

monochromatic

#10051A #300E4C #511780 #7220B4 #9136DB

Accessibility & contrast

On white

11.77

#511780 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#511780 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511780

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511780	#FFFFFF	#000000	##FFFFFF
##511780	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003783

Deuteranopia (green-blind)

#00387E

Tritanopia (blue-blind)

#48334C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511780;
/* rgb */ color: rgb(81, 23, 128);
/* oklch */ color: oklch(36.0% 0.162 304.0);

Tailwind

colors: {
  custom: {
    50: '#875ca6',
    500: '#511780',
    950: '#000000',
  },
}

SCSS

$custom: #511780;
$custom-light: #875ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#511780",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 128
  },
  "hsl": {
    "h": 273.143,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.36048,
    "c": 0.16242,
    "h": 304
  },
  "luminance": 0.03921
}

Semantic roles & 50–950 ramp

primary

#511780

secondary

#73B43E

accent

#EC3B8B

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #511780

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

Preview Lab → · Contrast checker → · Palette generator →