#511555#511555

#511555 is a dark, vivid purple. Relative luminance 0.029; OKLCH L 32.5% C 0.122 H 325.2°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#511555
RGB	rgb(81, 21, 85)
HSL	hsl(296, 60%, 21%)
HSV	hsv(296, 75%, 33%)
CMYK	cmyk(4.7%, 75.3%, 0%, 66.7%)
CIE-LAB	lab(19.81, 36.68, -25.00)
CIE-LCH	lch(19.81, 44.39, 325.73°)
OKLab	oklab(32.46% 0.1001 -0.0695)
OKLCH	oklch(32.46% 0.122 325.2)
XYZ	xyz(5.3011, 2.9419, 8.8812)
Luminance	0.0294 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511555 #195515

analogous

#311555 #511555 #551539

triadic

#511555 #555115 #155551

tetradic

#511555 #553115 #195515 #153955

square

#511555 #553115 #195515 #153955

split-complementary

#511555 #395515 #155531

monochromatic

#170619 #220924 #511555 #802186 #AF2DB7

Accessibility & contrast

On white

13.22

#511555 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#511555 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511555

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511555	#FFFFFF	#000000	##FFFFFF
##511555	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#062B57

Deuteranopia (green-blind)

#223253

Tritanopia (blue-blind)

#531F33

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #511555;
/* rgb */ color: rgb(81, 21, 85);
/* oklch */ color: oklch(32.5% 0.122 325.2);

Tailwind

colors: {
  custom: {
    50: '#845985',
    500: '#511555',
    950: '#000000',
  },
}

SCSS

$custom: #511555;
$custom-light: #845985;
$custom-dark: #000000;

JSON

{
  "hex": "#511555",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 85
  },
  "hsl": {
    "h": 296.25,
    "s": 60.377,
    "l": 20.784
  },
  "oklch": {
    "l": 0.32459,
    "c": 0.12188,
    "h": 325.2
  },
  "luminance": 0.02942
}

Semantic roles & 50–950 ramp

primary

#511555

secondary

#3E8D39

accent

#E4444E

background

#F8F5F8

surface

#EFE9EF

border

#CAC5CA

text

#0B040B

muted

#7C797C

Preview Lab

Preview with #511555

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

Preview Lab → · Contrast checker → · Palette generator →