#511B69#511B69

#511B69 is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.6% C 0.134 H 313.3°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#511B69
RGB	rgb(81, 27, 105)
HSL	hsl(282, 59%, 26%)
HSV	hsv(282, 74%, 41%)
CMYK	cmyk(22.9%, 74.3%, 0%, 58.8%)
CIE-LAB	lab(22.14, 38.34, -34.50)
CIE-LCH	lch(22.14, 51.58, 318.02°)
OKLab	oklab(34.57% 0.0918 -0.0973)
OKLCH	oklch(34.57% 0.134 313.3)
XYZ	xyz(6.3346, 3.5533, 13.7140)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B69 #33691B

analogous

#2A1B69 #511B69 #691B5A

triadic

#511B69 #69511B #1B6951

tetradic

#511B69 #692A1B #33691B #1B5A69

square

#511B69 #692A1B #33691B #1B5A69

split-complementary

#511B69 #5A691B #1B692A

monochromatic

#130618 #2B0E38 #511B69 #77289A #9C34CA

Accessibility & contrast

On white

12.28

#511B69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#511B69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B69

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B69	#FFFFFF	#000000	##FFFFFF
##511B69	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326B

Deuteranopia (green-blind)

#153667

Tritanopia (blue-blind)

#4F2B40

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511b69;
/* rgb */ color: rgb(81, 27, 105);
/* oklch */ color: oklch(34.6% 0.134 313.3);

Tailwind

colors: {
  custom: {
    50: '#855d94',
    500: '#511b69',
    950: '#000000',
  },
}

SCSS

$custom: #511b69;
$custom-light: #855d94;
$custom-dark: #000000;

JSON

{
  "hex": "#511b69",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 105
  },
  "hsl": {
    "h": 281.538,
    "s": 59.091,
    "l": 25.882
  },
  "oklch": {
    "l": 0.34566,
    "c": 0.1338,
    "h": 313.3
  },
  "luminance": 0.03553
}

Semantic roles & 50–950 ramp

primary

#511B69

secondary

#5E9E42

accent

#E24676

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511B69

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

Preview Lab → · Contrast checker → · Palette generator →