#550F5D#550F5D

#550F5D is a dark, vivid purple. Relative luminance 0.031; OKLCH L 33.1% C 0.138 H 323.4°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#550F5D
RGB	rgb(85, 15, 93)
HSL	hsl(294, 72%, 21%)
HSV	hsv(294, 84%, 36%)
CMYK	cmyk(8.6%, 83.9%, 0%, 63.5%)
CIE-LAB	lab(20.30, 41.44, -29.52)
CIE-LCH	lch(20.30, 50.88, 324.53°)
OKLab	oklab(33.12% 0.1109 -0.0825)
OKLCH	oklch(33.12% 0.138 323.4)
XYZ	xyz(5.8927, 3.0636, 10.6348)
Luminance	0.0306 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550F5D #175D0F

analogous

#2E0F5D #550F5D #5D0F3E

triadic

#550F5D #5D550F #0F5D55

tetradic

#550F5D #5D2E0F #175D0F #0F3E5D

square

#550F5D #5D2E0F #175D0F #0F3E5D

split-complementary

#550F5D #3E5D0F #0F5D2E

monochromatic

#18041A #250628 #550F5D #851792 #B520C6

Accessibility & contrast

On white

13.02

#550F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#550F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550F5D

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550F5D	#FFFFFF	#000000	##FFFFFF
##550F5D	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5F

Deuteranopia (green-blind)

#1D345B

Tritanopia (blue-blind)

#561F36

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #550f5d;
/* rgb */ color: rgb(85, 15, 93);
/* oklch */ color: oklch(33.1% 0.138 323.4);

Tailwind

colors: {
  custom: {
    50: '#88578b',
    500: '#550f5d',
    950: '#000000',
  },
}

SCSS

$custom: #550f5d;
$custom-light: #88578b;
$custom-dark: #000000;

JSON

{
  "hex": "#550f5d",
  "rgb": {
    "r": 85,
    "g": 15,
    "b": 93
  },
  "hsl": {
    "h": 293.846,
    "s": 72.222,
    "l": 21.176
  },
  "oklch": {
    "l": 0.33122,
    "c": 0.13825,
    "h": 323.4
  },
  "luminance": 0.03063
}

Semantic roles & 50–950 ramp

primary

#550F5D

secondary

#3C9631

accent

#EF394C

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0C040C

muted

#7D797D

Preview Lab

Preview with #550F5D

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

Preview Lab → · Contrast checker → · Palette generator →