#511155#511155

#511155 is a dark, vivid purple. Relative luminance 0.028; OKLCH L 32.1% C 0.127 H 325.4°. Best body text is #FFFFFF at 13.45:1 contrast (WCAG AA passes).

Color values

HEX	#511155
RGB	rgb(81, 17, 85)
HSL	hsl(296, 67%, 20%)
HSV	hsv(296, 80%, 33%)
CMYK	cmyk(4.7%, 80%, 0%, 66.7%)
CIE-LAB	lab(19.25, 38.27, -25.88)
CIE-LCH	lch(19.25, 46.20, 325.93°)
OKLab	oklab(32.06% 0.1046 -0.072)
OKLCH	oklch(32.06% 0.127 325.4)
XYZ	xyz(5.2334, 2.8065, 8.8586)
Luminance	0.0281 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511155 #155511

analogous

#2F1155 #511155 #551137

triadic

#511155 #555111 #115551

tetradic

#511155 #552F11 #155511 #113755

square

#511155 #552F11 #155511 #113755

split-complementary

#511155 #375511 #11552F

monochromatic

#18051A #200722 #511155 #821B88 #B225BB

Accessibility & contrast

On white

13.45

#511155 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#511155 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511155

13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511155	#FFFFFF	#000000	##FFFFFF
##511155	1.00	13.45	1.56	13.45
#FFFFFF	13.45	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A57

Deuteranopia (green-blind)

#203153

Tritanopia (blue-blind)

#531D32

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511155;
/* rgb */ color: rgb(81, 17, 85);
/* oklch */ color: oklch(32.1% 0.127 325.4);

Tailwind

colors: {
  custom: {
    50: '#855785',
    500: '#511155',
    950: '#000000',
  },
}

SCSS

$custom: #511155;
$custom-light: #855785;
$custom-dark: #000000;

JSON

{
  "hex": "#511155",
  "rgb": {
    "r": 81,
    "g": 17,
    "b": 85
  },
  "hsl": {
    "h": 296.471,
    "s": 66.667,
    "l": 20
  },
  "oklch": {
    "l": 0.3206,
    "c": 0.12696,
    "h": 325.4
  },
  "luminance": 0.02806
}

Semantic roles & 50–950 ramp

primary

#511155

secondary

#398E34

accent

#EA3E48

background

#F8F5F8

surface

#EFE9EF

border

#CAC5CA

text

#0B030B

muted

#7C787C

Preview Lab

Preview with #511155

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

Preview Lab → · Contrast checker → · Palette generator →