#511689#511689

#511689 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.8% C 0.173 H 301.0°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#511689
RGB	rgb(81, 22, 137)
HSL	hsl(271, 72%, 31%)
HSV	hsv(271, 84%, 54%)
CMYK	cmyk(40.9%, 83.9%, 0%, 46.3%)
CIE-LAB	lab(24.09, 48.06, -51.73)
CIE-LCH	lch(24.09, 70.61, 312.90°)
OKLab	oklab(36.78% 0.0889 -0.1479)
OKLCH	oklch(36.78% 0.173 301)
XYZ	xyz(8.1945, 4.1292, 24.0274)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511689 #4E8916

analogous

#181689 #511689 #891687

triadic

#511689 #895116 #168951

tetradic

#511689 #891816 #4E8916 #168789

square

#511689 #891816 #4E8916 #168789

split-complementary

#511689 #878916 #168918

monochromatic

#130520 #320E54 #511689 #701EBE #8F3ADF

Accessibility & contrast

On white

11.50

#511689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#511689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511689

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511689	#FFFFFF	#000000	##FFFFFF
##511689	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398C

Deuteranopia (green-blind)

#003987

Tritanopia (blue-blind)

#443751

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511689;
/* rgb */ color: rgb(81, 22, 137);
/* oklch */ color: oklch(36.8% 0.173 301.0);

Tailwind

colors: {
  custom: {
    50: '#885cac',
    500: '#511689',
    950: '#000000',
  },
}

SCSS

$custom: #511689;
$custom-light: #885cac;
$custom-dark: #000000;

JSON

{
  "hex": "#511689",
  "rgb": {
    "r": 81,
    "g": 22,
    "b": 137
  },
  "hsl": {
    "h": 270.783,
    "s": 72.327,
    "l": 31.176
  },
  "oklch": {
    "l": 0.36776,
    "c": 0.17255,
    "h": 301
  },
  "luminance": 0.04129
}

Semantic roles & 50–950 ramp

primary

#511689

secondary

#7CBD3E

accent

#EF3992

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0410

muted

#7D797F

Preview Lab

Preview with #511689

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

Preview Lab → · Contrast checker → · Palette generator →