#551B65#551B65

#551B65 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 34.9% C 0.131 H 318.1°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#551B65
RGB	rgb(85, 27, 101)
HSL	hsl(287, 58%, 25%)
HSV	hsv(287, 73%, 40%)
CMYK	cmyk(15.8%, 73.3%, 0%, 60.4%)
CIE-LAB	lab(22.50, 38.40, -31.28)
CIE-LCH	lch(22.50, 49.52, 320.84°)
OKLab	oklab(34.87% 0.0977 -0.0877)
OKLCH	oklch(34.87% 0.131 318.1)
XYZ	xyz(6.4869, 3.6550, 12.6732)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 4.83

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551B65 #2B651B

analogous

#301B65 #551B65 #651B50

triadic

#551B65 #65551B #1B6555

tetradic

#551B65 #65301B #2B651B #1B5065

square

#551B65 #65301B #2B651B #1B5065

split-complementary

#551B65 #50651B #1B6530

monochromatic

#140618 #2C0E35 #551B65 #7E2895 #A635C6

Accessibility & contrast

On white

12.13

#551B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#551B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551B65

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551B65	#FFFFFF	#000000	##FFFFFF
##551B65	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003267

Deuteranopia (green-blind)

#1E3863

Tritanopia (blue-blind)

#55293E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #551b65;
/* rgb */ color: rgb(85, 27, 101);
/* oklch */ color: oklch(34.9% 0.131 318.1);

Tailwind

colors: {
  custom: {
    50: '#885d91',
    500: '#551b65',
    950: '#000000',
  },
}

SCSS

$custom: #551b65;
$custom-light: #885d91;
$custom-dark: #000000;

JSON

{
  "hex": "#551b65",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 101
  },
  "hsl": {
    "h": 287.027,
    "s": 57.813,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34865,
    "c": 0.13132,
    "h": 318.1
  },
  "luminance": 0.03655
}

Semantic roles & 50–950 ramp

primary

#551B65

secondary

#559A41

accent

#E14768

background

#F8F5F9

surface

#F0E9F1

border

#CBC5CB

text

#0C040D

muted

#7D797E

Preview Lab

Preview with #551B65

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

Preview Lab → · Contrast checker → · Palette generator →