#511B89#511B89

#511B89 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.2% C 0.168 H 300.4°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#511B89
RGB	rgb(81, 27, 137)
HSL	hsl(269, 67%, 32%)
HSV	hsv(269, 80%, 54%)
CMYK	cmyk(40.9%, 80.3%, 0%, 46.3%)
CIE-LAB	lab(24.76, 46.12, -50.64)
CIE-LCH	lch(24.76, 68.49, 312.33°)
OKLab	oklab(37.24% 0.0849 -0.1447)
OKLCH	oklch(37.24% 0.168 300.4)
XYZ	xyz(8.2995, 4.3393, 24.0624)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B89 #53891B

analogous

#1B1C89 #511B89 #881B89

triadic

#511B89 #89511B #1B8951

tetradic

#511B89 #891B1C #53891B #1B8988

square

#511B89 #891B1C #53891B #1B8988

split-complementary

#511B89 #89881B #1C891B

monochromatic

#150723 #331156 #511B89 #6F25BC #8E44DA

Accessibility & contrast

On white

11.24

#511B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#511B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B89

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B89	#FFFFFF	#000000	##FFFFFF
##511B89	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8C

Deuteranopia (green-blind)

#003A87

Tritanopia (blue-blind)

#443952

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #511b89;
/* rgb */ color: rgb(81, 27, 137);
/* oklch */ color: oklch(37.2% 0.168 300.4);

Tailwind

colors: {
  custom: {
    50: '#885eac',
    500: '#511b89',
    950: '#000000',
  },
}

SCSS

$custom: #511b89;
$custom-light: #885eac;
$custom-dark: #000000;

JSON

{
  "hex": "#511b89",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 137
  },
  "hsl": {
    "h": 269.455,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37241,
    "c": 0.16781,
    "h": 300.4
  },
  "luminance": 0.04339
}

Semantic roles & 50–950 ramp

primary

#511B89

secondary

#81BC44

accent

#EA3E95

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511B89

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

Preview Lab → · Contrast checker → · Palette generator →