#551B69#551B69

#551B69 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 35.2% C 0.135 H 316.0°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#551B69
RGB	rgb(85, 27, 105)
HSL	hsl(285, 59%, 26%)
HSV	hsv(285, 74%, 41%)
CMYK	cmyk(19%, 74.3%, 0%, 58.8%)
CIE-LAB	lab(22.78, 39.28, -33.44)
CIE-LCH	lch(22.78, 51.58, 319.59°)
OKLab	oklab(35.15% 0.0974 -0.0941)
OKLCH	oklch(35.15% 0.135 316)
XYZ	xyz(6.6877, 3.7353, 13.7306)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551B69 #2F691B

analogous

#2E1B69 #551B69 #691B56

triadic

#551B69 #69551B #1B6955

tetradic

#551B69 #692E1B #2F691B #1B5669

square

#551B69 #692E1B #2F691B #1B5669

split-complementary

#551B69 #56691B #1B692E

monochromatic

#140618 #2E0E38 #551B69 #7C289A #A434CA

Accessibility & contrast

On white

12.02

#551B69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#551B69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551B69

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551B69	#FFFFFF	#000000	##FFFFFF
##551B69	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336B

Deuteranopia (green-blind)

#1A3867

Tritanopia (blue-blind)

#542B40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #551b69;
/* rgb */ color: rgb(85, 27, 105);
/* oklch */ color: oklch(35.2% 0.135 316.0);

Tailwind

colors: {
  custom: {
    50: '#885d94',
    500: '#551b69',
    950: '#000000',
  },
}

SCSS

$custom: #551b69;
$custom-light: #885d94;
$custom-dark: #000000;

JSON

{
  "hex": "#551b69",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 105
  },
  "hsl": {
    "h": 284.615,
    "s": 59.091,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35155,
    "c": 0.1354,
    "h": 316
  },
  "luminance": 0.03735
}

Semantic roles & 50–950 ramp

primary

#551B69

secondary

#599E42

accent

#E2466E

background

#F8F5F9

surface

#F0E9F1

border

#CBC5CB

text

#0C040D

muted

#7D797E

Preview Lab

Preview with #551B69

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

Preview Lab → · Contrast checker → · Palette generator →