#551C73#551C73

#551C73 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.0% C 0.144 H 311.1°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#551C73
RGB	rgb(85, 28, 115)
HSL	hsl(279, 61%, 28%)
HSV	hsv(279, 76%, 45%)
CMYK	cmyk(26.1%, 75.7%, 0%, 54.9%)
CIE-LAB	lab(23.67, 41.11, -38.46)
CIE-LCH	lch(23.67, 56.29, 316.91°)
OKLab	oklab(36.03% 0.095 -0.1088)
OKLCH	oklch(36.03% 0.144 311.1)
XYZ	xyz(7.2555, 3.9998, 16.6062)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C73 #3A731C

analogous

#291C73 #551C73 #731C65

triadic

#551C73 #73551C #1C7355

tetradic

#551C73 #73291C #3A731C #1C6573

square

#551C73 #73291C #3A731C #1C6573

split-complementary

#551C73 #65731C #1C7329

monochromatic

#120619 #311042 #551C73 #7928A4 #9C3ACF

Accessibility & contrast

On white

11.67

#551C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#551C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C73

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C73	#FFFFFF	#000000	##FFFFFF
##551C73	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003675

Deuteranopia (green-blind)

#0E3971

Tritanopia (blue-blind)

#513046

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551c73;
/* rgb */ color: rgb(85, 28, 115);
/* oklch */ color: oklch(36.0% 0.144 311.1);

Tailwind

colors: {
  custom: {
    50: '#885e9c',
    500: '#551c73',
    950: '#000000',
  },
}

SCSS

$custom: #551c73;
$custom-light: #885e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#551c73",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 115
  },
  "hsl": {
    "h": 279.31,
    "s": 60.839,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36026,
    "c": 0.14445,
    "h": 311.1
  },
  "luminance": 0.04
}

Semantic roles & 50–950 ramp

primary

#551C73

secondary

#66A743

accent

#E4447B

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551C73

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

Preview Lab → · Contrast checker → · Palette generator →