#511B79#511B79

#511B79 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.8% C 0.151 H 306.2°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#511B79
RGB	rgb(81, 27, 121)
HSL	hsl(274, 64%, 29%)
HSV	hsv(274, 78%, 47%)
CMYK	cmyk(33.1%, 77.7%, 0%, 52.5%)
CIE-LAB	lab(23.38, 42.15, -42.79)
CIE-LCH	lch(23.38, 60.06, 314.57°)
OKLab	oklab(35.85% 0.0891 -0.1217)
OKLCH	oklch(35.85% 0.151 306.2)
XYZ	xyz(7.2357, 3.9137, 18.4597)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B79 #43791B

analogous

#221B79 #511B79 #791B72

triadic

#511B79 #79511B #1B7951

tetradic

#511B79 #79221B #43791B #1B7279

square

#511B79 #79221B #43791B #1B7279

split-complementary

#511B79 #72791B #1B7922

monochromatic

#110619 #301047 #511B79 #7226AB #933BD3

Accessibility & contrast

On white

11.78

#511B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#511B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B79

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B79	#FFFFFF	#000000	##FFFFFF
##511B79	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367C

Deuteranopia (green-blind)

#003877

Tritanopia (blue-blind)

#4A3249

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511b79;
/* rgb */ color: rgb(81, 27, 121);
/* oklch */ color: oklch(35.8% 0.151 306.2);

Tailwind

colors: {
  custom: {
    50: '#865da0',
    500: '#511b79',
    950: '#000000',
  },
}

SCSS

$custom: #511b79;
$custom-light: #865da0;
$custom-dark: #000000;

JSON

{
  "hex": "#511b79",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 274.468,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.35845,
    "c": 0.15079,
    "h": 306.2
  },
  "luminance": 0.03914
}

Semantic roles & 50–950 ramp

primary

#511B79

secondary

#70AD43

accent

#E74188

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050F

muted

#7D797E

Preview Lab

Preview with #511B79

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

Preview Lab → · Contrast checker → · Palette generator →