#551D6E#551D6E

#551D6E is a dark, vivid purple. Relative luminance 0.039; OKLCH L 35.8% C 0.138 H 313.3°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#551D6E
RGB	rgb(85, 29, 110)
HSL	hsl(281, 58%, 27%)
HSV	hsv(281, 74%, 43%)
CMYK	cmyk(22.7%, 73.6%, 0%, 56.9%)
CIE-LAB	lab(23.46, 39.50, -35.58)
CIE-LCH	lch(23.46, 53.16, 317.99°)
OKLab	oklab(35.76% 0.0946 -0.1004)
OKLCH	oklch(35.76% 0.138 313.3)
XYZ	xyz(6.9997, 3.9360, 15.1398)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D6E #366E1D

analogous

#2C1D6E #551D6E #6E1D5F

triadic

#551D6E #6E551D #1D6E55

tetradic

#551D6E #6E2C1D #366E1D #1D5F6E

square

#551D6E #6E2C1D #366E1D #1D5F6E

split-complementary

#551D6E #5F6E1D #1D6E2C

monochromatic

#130618 #30103E #551D6E #7A2A9E #9E3ACB

Accessibility & contrast

On white

11.75

#551D6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#551D6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D6E

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D6E	#FFFFFF	#000000	##FFFFFF
##551D6E	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003570

Deuteranopia (green-blind)

#17396C

Tritanopia (blue-blind)

#522E43

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551d6e;
/* rgb */ color: rgb(85, 29, 110);
/* oklch */ color: oklch(35.8% 0.138 313.3);

Tailwind

colors: {
  custom: {
    50: '#885e98',
    500: '#551d6e',
    950: '#000000',
  },
}

SCSS

$custom: #551d6e;
$custom-light: #885e98;
$custom-dark: #000000;

JSON

{
  "hex": "#551d6e",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 110
  },
  "hsl": {
    "h": 281.481,
    "s": 58.273,
    "l": 27.255
  },
  "oklch": {
    "l": 0.35757,
    "c": 0.1379,
    "h": 313.3
  },
  "luminance": 0.03936
}

Semantic roles & 50–950 ramp

primary

#551D6E

secondary

#61A244

accent

#E14676

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551D6E

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

Preview Lab → · Contrast checker → · Palette generator →