#511A86#511A86

#511A86 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.9% C 0.166 H 301.5°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#511A86
RGB	rgb(81, 26, 134)
HSL	hsl(271, 68%, 31%)
HSV	hsv(271, 81%, 53%)
CMYK	cmyk(39.6%, 80.6%, 0%, 47.5%)
CIE-LAB	lab(24.35, 45.78, -49.43)
CIE-LCH	lch(24.35, 67.38, 312.81°)
OKLab	oklab(36.87% 0.0867 -0.1412)
OKLCH	oklch(36.87% 0.166 301.5)
XYZ	xyz(8.0648, 4.2093, 22.9372)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.28

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A86 #4F861A

analogous

#1B1A86 #511A86 #861A85

triadic

#511A86 #86511A #1A8651

tetradic

#511A86 #861B1A #4F861A #1A8586

square

#511A86 #861B1A #4F861A #1A8586

split-complementary

#511A86 #85861A #1A861B

monochromatic

#13061F #321053 #511A86 #7024B9 #8F40DA

Accessibility & contrast

On white

11.40

#511A86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#511A86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A86

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A86	#FFFFFF	#000000	##FFFFFF
##511A86	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003989

Deuteranopia (green-blind)

#003984

Tritanopia (blue-blind)

#453750

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #511a86;
/* rgb */ color: rgb(81, 26, 134);
/* oklch */ color: oklch(36.9% 0.166 301.5);

Tailwind

colors: {
  custom: {
    50: '#885eaa',
    500: '#511a86',
    950: '#000000',
  },
}

SCSS

$custom: #511a86;
$custom-light: #885eaa;
$custom-dark: #000000;

JSON

{
  "hex": "#511a86",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 134
  },
  "hsl": {
    "h": 270.556,
    "s": 67.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36871,
    "c": 0.16566,
    "h": 301.5
  },
  "luminance": 0.04209
}

Semantic roles & 50–950 ramp

primary

#511A86

secondary

#7DB942

accent

#EA3D92

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511A86

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

Preview Lab → · Contrast checker → · Palette generator →