#551D64#551D64

#551D64 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 35.0% C 0.127 H 318.4°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#551D64
RGB	rgb(85, 29, 100)
HSL	hsl(287, 55%, 25%)
HSV	hsv(287, 71%, 39%)
CMYK	cmyk(15%, 71%, 0%, 60.8%)
CIE-LAB	lab(22.76, 37.25, -30.20)
CIE-LCH	lch(22.76, 47.96, 320.97°)
OKLab	oklab(35.03% 0.0953 -0.0846)
OKLCH	oklch(35.03% 0.127 318.4)
XYZ	xyz(6.4856, 3.7304, 12.4325)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D64 #2C641D

analogous

#311D64 #551D64 #641D4F

triadic

#551D64 #64551D #1D6455

tetradic

#551D64 #64311D #2C641D #1D4F64

square

#551D64 #64311D #2C641D #1D4F64

split-complementary

#551D64 #4F641D #1D6431

monochromatic

#140718 #2D0F35 #551D64 #7D2B93 #A639C3

Accessibility & contrast

On white

12.03

#551D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#551D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D64

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D64	#FFFFFF	#000000	##FFFFFF
##551D64	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023366

Deuteranopia (green-blind)

#213862

Tritanopia (blue-blind)

#552A3E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #551d64;
/* rgb */ color: rgb(85, 29, 100);
/* oklch */ color: oklch(35.0% 0.127 318.4);

Tailwind

colors: {
  custom: {
    50: '#875e90',
    500: '#551d64',
    950: '#000000',
  },
}

SCSS

$custom: #551d64;
$custom-light: #875e90;
$custom-dark: #000000;

JSON

{
  "hex": "#551d64",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 100
  },
  "hsl": {
    "h": 287.324,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35032,
    "c": 0.12746,
    "h": 318.4
  },
  "luminance": 0.0373
}

Semantic roles & 50–950 ramp

primary

#551D64

secondary

#569944

accent

#DE4969

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0C050C

muted

#7D797D

Preview Lab

Preview with #551D64

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

Preview Lab → · Contrast checker → · Palette generator →