#551D5B#551D5B

#551D5B is a dark, moderate purple. Relative luminance 0.036; OKLCH L 34.4% C 0.118 H 323.7°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#551D5B
RGB	rgb(85, 29, 91)
HSL	hsl(294, 52%, 24%)
HSV	hsv(294, 68%, 36%)
CMYK	cmyk(6.6%, 68.1%, 0%, 64.3%)
CIE-LAB	lab(22.18, 35.33, -25.19)
CIE-LCH	lch(22.18, 43.39, 324.51°)
OKLab	oklab(34.43% 0.0954 -0.07)
OKLCH	oklch(34.43% 0.118 323.7)
XYZ	xyz(6.0738, 3.5657, 10.2638)
Luminance	0.0357 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D5B #235B1D

analogous

#361D5B #551D5B #5B1D42

triadic

#551D5B #5B551D #1D5B55

tetradic

#551D5B #5B361D #235B1D #1D425B

square

#551D5B #5B361D #235B1D #1D425B

split-complementary

#551D5B #425B1D #1D5B36

monochromatic

#160717 #2A0E2D #551D5B #802C89 #AC3BB8

Accessibility & contrast

On white

12.26

#551D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#551D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D5B

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D5B	#FFFFFF	#000000	##FFFFFF
##551D5B	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10315D

Deuteranopia (green-blind)

#273759

Tritanopia (blue-blind)

#572639

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #551d5b;
/* rgb */ color: rgb(85, 29, 91);
/* oklch */ color: oklch(34.4% 0.118 323.7);

Tailwind

colors: {
  custom: {
    50: '#875e8a',
    500: '#551d5b',
    950: '#000000',
  },
}

SCSS

$custom: #551d5b;
$custom-light: #875e8a;
$custom-dark: #000000;

JSON

{
  "hex": "#551d5b",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 91
  },
  "hsl": {
    "h": 294.194,
    "s": 51.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34428,
    "c": 0.1183,
    "h": 323.7
  },
  "luminance": 0.03565
}

Semantic roles & 50–950 ramp

primary

#551D5B

secondary

#4B9044

accent

#DB4D5A

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0B040B

muted

#7C797C

Preview Lab

Preview with #551D5B

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

Preview Lab → · Contrast checker → · Palette generator →