#551887#551887

#551887 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.3% C 0.169 H 303.7°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#551887
RGB	rgb(85, 24, 135)
HSL	hsl(273, 70%, 31%)
HSV	hsv(273, 82%, 53%)
CMYK	cmyk(37%, 82.2%, 0%, 47.1%)
CIE-LAB	lab(24.75, 47.49, -49.39)
CIE-LCH	lch(24.75, 68.52, 313.87°)
OKLab	oklab(37.3% 0.0941 -0.1409)
OKLCH	oklch(37.3% 0.169 303.7)
XYZ	xyz(8.4451, 4.3338, 23.3086)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.33

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551887 #4A8718

analogous

#1D1887 #551887 #871881

triadic

#551887 #875518 #188755

tetradic

#551887 #871D18 #4A8718 #188187

square

#551887 #871D18 #4A8718 #188187

split-complementary

#551887 #818718 #18871D

monochromatic

#14061F #340F53 #551887 #7621BB #953DDC

Accessibility & contrast

On white

11.25

#551887 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#551887 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551887

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551887	#FFFFFF	#000000	##FFFFFF
##551887	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8A

Deuteranopia (green-blind)

#003B85

Tritanopia (blue-blind)

#4B3650

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #551887;
/* rgb */ color: rgb(85, 24, 135);
/* oklch */ color: oklch(37.3% 0.169 303.7);

Tailwind

colors: {
  custom: {
    50: '#8a5dab',
    500: '#551887',
    950: '#000000',
  },
}

SCSS

$custom: #551887;
$custom-light: #8a5dab;
$custom-dark: #000000;

JSON

{
  "hex": "#551887",
  "rgb": {
    "r": 85,
    "g": 24,
    "b": 135
  },
  "hsl": {
    "h": 272.973,
    "s": 69.811,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37296,
    "c": 0.16944,
    "h": 303.7
  },
  "luminance": 0.04334
}

Semantic roles & 50–950 ramp

primary

#551887

secondary

#77BB40

accent

#ED3B8B

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551887

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

Preview Lab → · Contrast checker → · Palette generator →