#551C74#551C74

#551C74 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.1% C 0.145 H 310.7°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#551C74
RGB	rgb(85, 28, 116)
HSL	hsl(279, 61%, 28%)
HSV	hsv(279, 76%, 45%)
CMYK	cmyk(26.7%, 75.9%, 0%, 54.5%)
CIE-LAB	lab(23.75, 41.34, -38.98)
CIE-LCH	lch(23.75, 56.82, 316.69°)
OKLab	oklab(36.1% 0.0949 -0.1103)
OKLCH	oklch(36.1% 0.146 310.7)
XYZ	xyz(7.3133, 4.0229, 16.9109)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C74 #3B741C

analogous

#291C74 #551C74 #741C67

triadic

#551C74 #74551C #1C7455

tetradic

#551C74 #74291C #3B741C #1C6774

square

#551C74 #74291C #3B741C #1C6774

split-complementary

#551C74 #67741C #1C7429

monochromatic

#120619 #311043 #551C74 #7928A5 #9B3BD0

Accessibility & contrast

On white

11.64

#551C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#551C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C74

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C74	#FFFFFF	#000000	##FFFFFF
##551C74	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003677

Deuteranopia (green-blind)

#0C3972

Tritanopia (blue-blind)

#513046

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #551c74;
/* rgb */ color: rgb(85, 28, 116);
/* oklch */ color: oklch(36.1% 0.145 310.7);

Tailwind

colors: {
  custom: {
    50: '#885e9d',
    500: '#551c74',
    950: '#000000',
  },
}

SCSS

$custom: #551c74;
$custom-light: #885e9d;
$custom-dark: #000000;

JSON

{
  "hex": "#551c74",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 116
  },
  "hsl": {
    "h": 278.864,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.36104,
    "c": 0.1455,
    "h": 310.7
  },
  "luminance": 0.04023
}

Semantic roles & 50–950 ramp

primary

#551C74

secondary

#67A843

accent

#E4447C

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551C74

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

Preview Lab → · Contrast checker → · Palette generator →