#550D4B#550D4B

#550D4B is a dark, vivid purple. Relative luminance 0.027; OKLCH L 31.8% C 0.125 H 334.7°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#550D4B
RGB	rgb(85, 13, 75)
HSL	hsl(308, 73%, 19%)
HSV	hsv(308, 85%, 33%)
CMYK	cmyk(0%, 84.7%, 11.8%, 66.7%)
CIE-LAB	lab(18.92, 38.82, -19.57)
CIE-LCH	lch(18.92, 43.47, 333.24°)
OKLab	oklab(31.77% 0.1132 -0.0536)
OKLCH	oklch(31.77% 0.125 334.7)
XYZ	xyz(5.1603, 2.7276, 6.9100)
Luminance	0.0273 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550D4B #0D5517

analogous

#3B0D55 #550D4B #550D27

triadic

#550D4B #4B550D #0D4B55

tetradic

#550D4B #553B0D #0D5517 #0D2755

square

#550D4B #553B0D #0D5517 #0D2755

split-complementary

#550D4B #27550D #0D553B

monochromatic

#1B0417 #20051C #550D4B #8A157A #BF1DA9

Accessibility & contrast

On white

13.59

#550D4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#550D4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550D4B

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550D4B	#FFFFFF	#000000	##FFFFFF
##550D4B	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C274D

Deuteranopia (green-blind)

#283249

Tritanopia (blue-blind)

#5A142B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #550d4b;
/* rgb */ color: rgb(85, 13, 75);
/* oklch */ color: oklch(31.8% 0.125 334.7);

Tailwind

colors: {
  custom: {
    50: '#88567d',
    500: '#550d4b',
    950: '#000000',
  },
}

SCSS

$custom: #550d4b;
$custom-light: #88567d;
$custom-dark: #000000;

JSON

{
  "hex": "#550d4b",
  "rgb": {
    "r": 85,
    "g": 13,
    "b": 75
  },
  "hsl": {
    "h": 308.333,
    "s": 73.469,
    "l": 19.216
  },
  "oklch": {
    "l": 0.31767,
    "c": 0.1252,
    "h": 334.7
  },
  "luminance": 0.02727
}

Semantic roles & 50–950 ramp

primary

#550D4B

secondary

#2E903C

accent

#F05138

background

#F8F5F7

surface

#F0E9EE

border

#CBC5C9

text

#0C0309

muted

#7D787B

Preview Lab

Preview with #550D4B

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

Preview Lab → · Contrast checker → · Palette generator →