#551F6E#551F6E

#551F6E is a dark, vivid purple. Relative luminance 0.040; OKLCH L 36.0% C 0.135 H 313.0°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#551F6E
RGB	rgb(85, 31, 110)
HSL	hsl(281, 56%, 28%)
HSV	hsv(281, 72%, 43%)
CMYK	cmyk(22.7%, 71.8%, 0%, 56.9%)
CIE-LAB	lab(23.79, 38.56, -35.04)
CIE-LCH	lch(23.79, 52.10, 317.73°)
OKLab	oklab(36% 0.0922 -0.0988)
OKLCH	oklch(36% 0.135 313)
XYZ	xyz(7.0503, 4.0373, 15.1567)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F6E #386E1F

analogous

#2E1F6E #551F6E #6E1F5F

triadic

#551F6E #6E551F #1F6E55

tetradic

#551F6E #6E2E1F #386E1F #1F5F6E

square

#551F6E #6E2E1F #386E1F #1F5F6E

split-complementary

#551F6E #5F6E1F #1F6E2E

monochromatic

#120718 #30123E #551F6E #7A2C9E #9D3FC9

Accessibility & contrast

On white

11.62

#551F6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#551F6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F6E

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F6E	#FFFFFF	#000000	##FFFFFF
##551F6E	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003670

Deuteranopia (green-blind)

#193A6C

Tritanopia (blue-blind)

#522F44

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #551f6e;
/* rgb */ color: rgb(85, 31, 110);
/* oklch */ color: oklch(36.0% 0.135 313.0);

Tailwind

colors: {
  custom: {
    50: '#885f98',
    500: '#551f6e',
    950: '#000000',
  },
}

SCSS

$custom: #551f6e;
$custom-light: #885f98;
$custom-dark: #000000;

JSON

{
  "hex": "#551f6e",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 110
  },
  "hsl": {
    "h": 281.013,
    "s": 56.028,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35996,
    "c": 0.13516,
    "h": 313
  },
  "luminance": 0.04037
}

Semantic roles & 50–950 ramp

primary

#551F6E

secondary

#64A247

accent

#DF4878

background

#F8F5F9

surface

#F0EAF2

border

#CBC6CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551F6E

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

Preview Lab → · Contrast checker → · Palette generator →