#511777#511777

#511777 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.3% C 0.153 H 307.5°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#511777
RGB	rgb(81, 23, 119)
HSL	hsl(276, 68%, 28%)
HSV	hsv(276, 81%, 47%)
CMYK	cmyk(31.9%, 80.7%, 0%, 53.3%)
CIE-LAB	lab(22.63, 43.35, -42.73)
CIE-LCH	lch(22.63, 60.87, 315.41°)
OKLab	oklab(35.27% 0.0934 -0.1215)
OKLCH	oklch(35.27% 0.153 307.5)
XYZ	xyz(7.0288, 3.6941, 17.7919)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511777 #3D7717

analogous

#211777 #511777 #77176D

triadic

#511777 #775117 #177751

tetradic

#511777 #772117 #3D7717 #176D77

square

#511777 #772117 #3D7717 #176D77

split-complementary

#511777 #6D7717 #177721

monochromatic

#11051A #2E0D44 #511777 #7421AA #9531D7

Accessibility & contrast

On white

12.08

#511777 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#511777 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511777

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511777	#FFFFFF	#000000	##FFFFFF
##511777	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347A

Deuteranopia (green-blind)

#003775

Tritanopia (blue-blind)

#4B2F47

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511777;
/* rgb */ color: rgb(81, 23, 119);
/* oklch */ color: oklch(35.3% 0.153 307.5);

Tailwind

colors: {
  custom: {
    50: '#865b9f',
    500: '#511777',
    950: '#000000',
  },
}

SCSS

$custom: #511777;
$custom-light: #865b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#511777",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 119
  },
  "hsl": {
    "h": 276.25,
    "s": 67.606,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35265,
    "c": 0.1532,
    "h": 307.5
  },
  "luminance": 0.03694
}

Semantic roles & 50–950 ramp

primary

#511777

secondary

#69AC3E

accent

#EA3D82

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #511777

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

Preview Lab → · Contrast checker → · Palette generator →