#511B72#511B72

#511B72 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.3% C 0.143 H 309.1°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#511B72
RGB	rgb(81, 27, 114)
HSL	hsl(277, 62%, 28%)
HSV	hsv(277, 76%, 45%)
CMYK	cmyk(28.9%, 76.3%, 0%, 55.3%)
CIE-LAB	lab(22.82, 40.46, -39.22)
CIE-LCH	lch(22.82, 56.35, 315.89°)
OKLab	oklab(35.27% 0.0905 -0.1112)
OKLCH	oklch(35.27% 0.143 309.1)
XYZ	xyz(6.8219, 3.7482, 16.2804)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B72 #3C721B

analogous

#251B72 #511B72 #721B68

triadic

#511B72 #72511B #1B7251

tetradic

#511B72 #72251B #3C721B #1B6872

square

#511B72 #72251B #3C721B #1B6872

split-complementary

#511B72 #68721B #1B7225

monochromatic

#120619 #2E0F41 #511B72 #7427A3 #9638D0

Accessibility & contrast

On white

12.00

#511B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#511B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B72

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B72	#FFFFFF	#000000	##FFFFFF
##511B72	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003474

Deuteranopia (green-blind)

#043770

Tritanopia (blue-blind)

#4C2F45

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511b72;
/* rgb */ color: rgb(81, 27, 114);
/* oklch */ color: oklch(35.3% 0.143 309.1);

Tailwind

colors: {
  custom: {
    50: '#865d9b',
    500: '#511b72',
    950: '#000000',
  },
}

SCSS

$custom: #511b72;
$custom-light: #865d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#511b72",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 114
  },
  "hsl": {
    "h": 277.241,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.3527,
    "c": 0.14335,
    "h": 309.1
  },
  "luminance": 0.03748
}

Semantic roles & 50–950 ramp

primary

#511B72

secondary

#68A742

accent

#E54380

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #511B72

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

Preview Lab → · Contrast checker → · Palette generator →