#550B56#550B56

#550B56 is a dark, vivid purple. Relative luminance 0.028; OKLCH L 32.3% C 0.136 H 327.6°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#550B56
RGB	rgb(85, 11, 86)
HSL	hsl(299, 77%, 19%)
HSV	hsv(299, 87%, 34%)
CMYK	cmyk(1.2%, 87.2%, 0%, 66.3%)
CIE-LAB	lab(19.40, 41.33, -26.27)
CIE-LCH	lch(19.40, 48.97, 327.56°)
OKLab	oklab(32.34% 0.1148 -0.073)
OKLCH	oklch(32.34% 0.136 327.6)
XYZ	xyz(5.5456, 2.8429, 9.0590)
Luminance	0.0284 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550B56 #0C560B

analogous

#300B56 #550B56 #560B32

triadic

#550B56 #56550B #0B5655

tetradic

#550B56 #56300B #0C560B #0B3256

square

#550B56 #56300B #0C560B #0B3256

split-complementary

#550B56 #32560B #0B5630

monochromatic

#1B031B #1F0420 #550B56 #8B128C #C019C3

Accessibility & contrast

On white

13.39

#550B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#550B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550B56

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550B56	#FFFFFF	#000000	##FFFFFF
##550B56	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002958

Deuteranopia (green-blind)

#213254

Tritanopia (blue-blind)

#581931

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #550b56;
/* rgb */ color: rgb(85, 11, 86);
/* oklch */ color: oklch(32.3% 0.136 327.6);

Tailwind

colors: {
  custom: {
    50: '#885686',
    500: '#550b56',
    950: '#000000',
  },
}

SCSS

$custom: #550b56;
$custom-light: #885686;
$custom-dark: #000000;

JSON

{
  "hex": "#550b56",
  "rgb": {
    "r": 85,
    "g": 11,
    "b": 86
  },
  "hsl": {
    "h": 299.2,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.32335,
    "c": 0.13606,
    "h": 327.6
  },
  "luminance": 0.02843
}

Semantic roles & 50–950 ramp

primary

#550B56

secondary

#2D912B

accent

#F43437

background

#F8F5F8

surface

#F0E9EF

border

#CBC5CA

text

#0C030B

muted

#7D787C

Preview Lab

Preview with #550B56

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

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