#511A71#511A71

#511A71 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.1% C 0.144 H 309.7°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#511A71
RGB	rgb(81, 26, 113)
HSL	hsl(278, 63%, 27%)
HSV	hsv(278, 77%, 44%)
CMYK	cmyk(28.3%, 77%, 0%, 55.7%)
CIE-LAB	lab(22.59, 40.67, -38.96)
CIE-LCH	lch(22.59, 56.32, 316.23°)
OKLab	oklab(35.08% 0.0917 -0.1104)
OKLCH	oklch(35.08% 0.144 309.7)
XYZ	xyz(6.7428, 3.6805, 15.9748)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A71 #3A711A

analogous

#261A71 #511A71 #711A66

triadic

#511A71 #71511A #1A7151

tetradic

#511A71 #71261A #3A711A #1A6671

square

#511A71 #71261A #3A711A #1A6671

split-complementary

#511A71 #66711A #1A7126

monochromatic

#120619 #2D0F3F #511A71 #7525A3 #9735D0

Accessibility & contrast

On white

12.10

#511A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#511A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A71

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A71	#FFFFFF	#000000	##FFFFFF
##511A71	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003473

Deuteranopia (green-blind)

#05376F

Tritanopia (blue-blind)

#4C2E44

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511a71;
/* rgb */ color: rgb(81, 26, 113);
/* oklch */ color: oklch(35.1% 0.144 309.7);

Tailwind

colors: {
  custom: {
    50: '#865d9a',
    500: '#511a71',
    950: '#000000',
  },
}

SCSS

$custom: #511a71;
$custom-light: #865d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#511a71",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 113
  },
  "hsl": {
    "h": 277.931,
    "s": 62.59,
    "l": 27.255
  },
  "oklch": {
    "l": 0.35079,
    "c": 0.14352,
    "h": 309.7
  },
  "luminance": 0.0368
}

Semantic roles & 50–950 ramp

primary

#511A71

secondary

#66A641

accent

#E6427E

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #511A71

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

Preview Lab → · Contrast checker → · Palette generator →