#511F72#511F72

#511F72 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.7% C 0.138 H 308.5°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#511F72
RGB	rgb(81, 31, 114)
HSL	hsl(276, 57%, 28%)
HSV	hsv(276, 73%, 45%)
CMYK	cmyk(28.9%, 72.8%, 0%, 55.3%)
CIE-LAB	lab(23.49, 38.58, -38.14)
CIE-LCH	lch(23.49, 54.25, 315.33°)
OKLab	oklab(35.74% 0.086 -0.108)
OKLCH	oklch(35.74% 0.138 308.5)
XYZ	xyz(6.9200, 3.9443, 16.3131)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F72 #40721F

analogous

#281F72 #511F72 #721F69

triadic

#511F72 #72511F #1F7251

tetradic

#511F72 #72281F #40721F #1F6972

square

#511F72 #72281F #40721F #1F6972

split-complementary

#511F72 #69721F #1F7228

monochromatic

#110718 #2F1242 #511F72 #732CA2 #9440CB

Accessibility & contrast

On white

11.74

#511F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#511F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F72

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F72	#FFFFFF	#000000	##FFFFFF
##511F72	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003674

Deuteranopia (green-blind)

#0C3970

Tritanopia (blue-blind)

#4C3146

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511f72;
/* rgb */ color: rgb(81, 31, 114);
/* oklch */ color: oklch(35.7% 0.138 308.5);

Tailwind

colors: {
  custom: {
    50: '#855f9b',
    500: '#511f72',
    950: '#000000',
  },
}

SCSS

$custom: #511f72;
$custom-light: #855f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#511f72",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 114
  },
  "hsl": {
    "h": 276.145,
    "s": 57.241,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35744,
    "c": 0.13812,
    "h": 308.5
  },
  "luminance": 0.03944
}

Semantic roles & 50–950 ramp

primary

#511F72

secondary

#6DA647

accent

#E04784

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511F72

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

Preview Lab → · Contrast checker → · Palette generator →