#551D8F#551D8F

#551D8F is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.5% C 0.173 H 300.5°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#551D8F
RGB	rgb(85, 29, 143)
HSL	hsl(269, 66%, 34%)
HSV	hsv(269, 80%, 56%)
CMYK	cmyk(40.6%, 79.7%, 0%, 43.9%)
CIE-LAB	lab(26.14, 47.47, -52.10)
CIE-LCH	lch(26.14, 70.48, 312.34°)
OKLab	oklab(38.49% 0.0877 -0.1489)
OKLCH	oklch(38.49% 0.173 300.5)
XYZ	xyz(9.1424, 4.7931, 26.4248)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D8F #578F1D

analogous

#1D1E8F #551D8F #8E1D8F

triadic

#551D8F #8F551D #1D8F55

tetradic

#551D8F #8F1D1E #578F1D #1D8F8E

square

#551D8F #8F1D1E #578F1D #1D8F8E

split-complementary

#551D8F #8F8E1D #1E8F1D

monochromatic

#190829 #37135C #551D8F #7327C2 #924CDB

Accessibility & contrast

On white

10.72

#551D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#551D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D8F

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D8F	#FFFFFF	#000000	##FFFFFF
##551D8F	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#003D8D

Tritanopia (blue-blind)

#483C56

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #551d8f;
/* rgb */ color: rgb(85, 29, 143);
/* oklch */ color: oklch(38.5% 0.173 300.5);

Tailwind

colors: {
  custom: {
    50: '#8b60b1',
    500: '#551d8f',
    950: '#000000',
  },
}

SCSS

$custom: #551d8f;
$custom-light: #8b60b1;
$custom-dark: #000000;

JSON

{
  "hex": "#551d8f",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 143
  },
  "hsl": {
    "h": 269.474,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38485,
    "c": 0.17279,
    "h": 300.5
  },
  "luminance": 0.04793
}

Semantic roles & 50–950 ramp

primary

#551D8F

secondary

#85BD4B

accent

#E93F95

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0D0511

muted

#7D7980

Preview Lab

Preview with #551D8F

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

Preview Lab → · Contrast checker → · Palette generator →