#511788#511788

#511788 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.8% C 0.171 H 301.2°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#511788
RGB	rgb(81, 23, 136)
HSL	hsl(271, 71%, 31%)
HSV	hsv(271, 83%, 53%)
CMYK	cmyk(40.4%, 83.1%, 0%, 46.7%)
CIE-LAB	lab(24.13, 47.45, -51.05)
CIE-LCH	lch(24.13, 69.70, 312.91°)
OKLab	oklab(36.77% 0.0885 -0.1459)
OKLCH	oklch(36.77% 0.171 301.2)
XYZ	xyz(8.1426, 4.1396, 23.6578)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511788 #4E8817

analogous

#181788 #511788 #881786

triadic

#511788 #885117 #178851

tetradic

#511788 #881817 #4E8817 #178688

square

#511788 #881817 #4E8817 #178688

split-complementary

#511788 #868817 #178818

monochromatic

#13051F #320E54 #511788 #7020BC #8F3BDE

Accessibility & contrast

On white

11.49

#511788 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#511788 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511788

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511788	#FFFFFF	#000000	##FFFFFF
##511788	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398B

Deuteranopia (green-blind)

#003986

Tritanopia (blue-blind)

#443750

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511788;
/* rgb */ color: rgb(81, 23, 136);
/* oklch */ color: oklch(36.8% 0.171 301.2);

Tailwind

colors: {
  custom: {
    50: '#885cac',
    500: '#511788',
    950: '#000000',
  },
}

SCSS

$custom: #511788;
$custom-light: #885cac;
$custom-dark: #000000;

JSON

{
  "hex": "#511788",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 136
  },
  "hsl": {
    "h": 270.796,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.36771,
    "c": 0.17063,
    "h": 301.2
  },
  "luminance": 0.0414
}

Semantic roles & 50–950 ramp

primary

#511788

secondary

#7CBC3F

accent

#EE3A92

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0410

muted

#7D797F

Preview Lab

Preview with #511788

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

Preview Lab → · Contrast checker → · Palette generator →