#511B76#511B76

#511B76 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.6% C 0.148 H 307.4°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#511B76
RGB	rgb(81, 27, 118)
HSL	hsl(276, 63%, 28%)
HSV	hsv(276, 77%, 46%)
CMYK	cmyk(31.4%, 77.1%, 0%, 53.7%)
CIE-LAB	lab(23.14, 41.42, -41.27)
CIE-LCH	lch(23.14, 58.47, 315.10°)
OKLab	oklab(35.6% 0.0897 -0.1172)
OKLCH	oklch(35.6% 0.148 307.4)
XYZ	xyz(7.0546, 3.8413, 17.5058)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B76 #40761B

analogous

#231B76 #511B76 #761B6D

triadic

#511B76 #76511B #1B7651

tetradic

#511B76 #76231B #40761B #1B6D76

square

#511B76 #76231B #40761B #1B6D76

split-complementary

#511B76 #6D761B #1B7623

monochromatic

#110619 #2F1044 #511B76 #7326A8 #943AD2

Accessibility & contrast

On white

11.88

#511B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#511B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B76

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B76	#FFFFFF	#000000	##FFFFFF
##511B76	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003579

Deuteranopia (green-blind)

#003874

Tritanopia (blue-blind)

#4B3147

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511b76;
/* rgb */ color: rgb(81, 27, 118);
/* oklch */ color: oklch(35.6% 0.148 307.4);

Tailwind

colors: {
  custom: {
    50: '#865d9e',
    500: '#511b76',
    950: '#000000',
  },
}

SCSS

$custom: #511b76;
$custom-light: #865d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#511b76",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 118
  },
  "hsl": {
    "h": 275.604,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35596,
    "c": 0.1476,
    "h": 307.4
  },
  "luminance": 0.03841
}

Semantic roles & 50–950 ramp

primary

#511B76

secondary

#6DAA42

accent

#E64285

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #511B76

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

Preview Lab → · Contrast checker → · Palette generator →