#511B5F#511B5F

#511B5F is a dark, vivid purple. Relative luminance 0.034; OKLCH L 33.8% C 0.123 H 318.7°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#511B5F
RGB	rgb(81, 27, 95)
HSL	hsl(288, 56%, 24%)
HSV	hsv(288, 72%, 37%)
CMYK	cmyk(14.7%, 71.6%, 0%, 62.7%)
CIE-LAB	lab(21.43, 36.08, -29.08)
CIE-LCH	lch(21.43, 46.34, 321.14°)
OKLab	oklab(33.84% 0.0926 -0.0814)
OKLCH	oklch(33.84% 0.123 318.7)
XYZ	xyz(5.8506, 3.3597, 11.1646)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B5F #295F1B

analogous

#2F1B5F #511B5F #5F1B4B

triadic

#511B5F #5F511B #1B5F51

tetradic

#511B5F #5F2F1B #295F1B #1B4B5F

square

#511B5F #5F2F1B #295F1B #1B4B5F

split-complementary

#511B5F #4B5F1B #1B5F2F

monochromatic

#140718 #280D2F #511B5F #7A298F #A236BE

Accessibility & contrast

On white

12.56

#511B5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#511B5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B5F

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B5F	#FFFFFF	#000000	##FFFFFF
##511B5F	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023061

Deuteranopia (green-blind)

#1F355D

Tritanopia (blue-blind)

#51273A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #511b5f;
/* rgb */ color: rgb(81, 27, 95);
/* oklch */ color: oklch(33.8% 0.123 318.7);

Tailwind

colors: {
  custom: {
    50: '#845c8d',
    500: '#511b5f',
    950: '#000000',
  },
}

SCSS

$custom: #511b5f;
$custom-light: #845c8d;
$custom-dark: #000000;

JSON

{
  "hex": "#511b5f",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 95
  },
  "hsl": {
    "h": 287.647,
    "s": 55.738,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33836,
    "c": 0.12331,
    "h": 318.7
  },
  "luminance": 0.03359
}

Semantic roles & 50–950 ramp

primary

#511B5F

secondary

#529541

accent

#DF4968

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040C

muted

#7C797D

Preview Lab

Preview with #511B5F

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

Preview Lab → · Contrast checker → · Palette generator →