#511F88#511F88

#511F88 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.162 H 300.2°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#511F88
RGB	rgb(81, 31, 136)
HSL	hsl(269, 63%, 33%)
HSV	hsv(269, 77%, 53%)
CMYK	cmyk(40.4%, 77.2%, 0%, 46.7%)
CIE-LAB	lab(25.28, 44.13, -49.17)
CIE-LCH	lch(25.28, 66.06, 311.91°)
OKLab	oklab(37.58% 0.0817 -0.1404)
OKLCH	oklch(37.58% 0.162 300.2)
XYZ	xyz(8.3262, 4.5068, 23.7190)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F88 #56881F

analogous

#1F2288 #511F88 #851F88

triadic

#511F88 #88511F #1F8851

tetradic

#511F88 #881F22 #56881F #1F8885

square

#511F88 #881F22 #56881F #1F8885

split-complementary

#511F88 #88851F #22881F

monochromatic

#160824 #331456 #511F88 #6F2ABA #8D4BD6

Accessibility & contrast

On white

11.04

#511F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#511F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F88

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F88	#FFFFFF	#000000	##FFFFFF
##511F88	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8B

Deuteranopia (green-blind)

#003B86

Tritanopia (blue-blind)

#443A52

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #511f88;
/* rgb */ color: rgb(81, 31, 136);
/* oklch */ color: oklch(37.6% 0.162 300.2);

Tailwind

colors: {
  custom: {
    50: '#8760ac',
    500: '#511f88',
    950: '#000000',
  },
}

SCSS

$custom: #511f88;
$custom-light: #8760ac;
$custom-dark: #000000;

JSON

{
  "hex": "#511f88",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 136
  },
  "hsl": {
    "h": 268.571,
    "s": 62.874,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37576,
    "c": 0.16246,
    "h": 300.2
  },
  "luminance": 0.04507
}

Semantic roles & 50–950 ramp

primary

#511F88

secondary

#84B94A

accent

#E64298

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511F88

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

Preview Lab → · Contrast checker → · Palette generator →