#551057#551057

#551057 is a dark, vivid purple. Relative luminance 0.030; OKLCH L 32.8% C 0.132 H 326.8°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#551057
RGB	rgb(85, 16, 87)
HSL	hsl(298, 69%, 20%)
HSV	hsv(298, 82%, 34%)
CMYK	cmyk(2.3%, 81.6%, 0%, 65.9%)
CIE-LAB	lab(20.01, 39.96, -25.98)
CIE-LCH	lch(20.01, 47.67, 326.97°)
OKLab	oklab(32.78% 0.1104 -0.0722)
OKLCH	oklch(32.78% 0.132 326.8)
XYZ	xyz(5.6518, 2.9904, 9.2945)
Luminance	0.0299 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551057 #125710

analogous

#311057 #551057 #571035

triadic

#551057 #575510 #105755

tetradic

#551057 #573110 #125710 #103557

square

#551057 #573110 #125710 #103557

split-complementary

#551057 #355710 #105731

monochromatic

#19051A #220623 #551057 #881A8B #BA23BE

Accessibility & contrast

On white

13.14

#551057 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#551057 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551057

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551057	#FFFFFF	#000000	##FFFFFF
##551057	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B59

Deuteranopia (green-blind)

#223355

Tritanopia (blue-blind)

#581C33

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #551057;
/* rgb */ color: rgb(85, 16, 87);
/* oklch */ color: oklch(32.8% 0.132 326.8);

Tailwind

colors: {
  custom: {
    50: '#885787',
    500: '#551057',
    950: '#000000',
  },
}

SCSS

$custom: #551057;
$custom-light: #885787;
$custom-dark: #000000;

JSON

{
  "hex": "#551057",
  "rgb": {
    "r": 85,
    "g": 16,
    "b": 87
  },
  "hsl": {
    "h": 298.31,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.32784,
    "c": 0.13193,
    "h": 326.8
  },
  "luminance": 0.0299
}

Semantic roles & 50–950 ramp

primary

#551057

secondary

#359032

accent

#EC3C41

background

#F8F5F8

surface

#F0E9EF

border

#CBC5CA

text

#0C040B

muted

#7D797C

Preview Lab

Preview with #551057

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

Preview Lab → · Contrast checker → · Palette generator →