#551F72#551F72

#551F72 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.3% C 0.139 H 311.2°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#551F72
RGB	rgb(85, 31, 114)
HSL	hsl(279, 57%, 28%)
HSV	hsv(279, 73%, 45%)
CMYK	cmyk(25.4%, 72.8%, 0%, 55.3%)
CIE-LAB	lab(24.08, 39.49, -37.15)
CIE-LCH	lch(24.08, 54.22, 316.75°)
OKLab	oklab(36.3% 0.0918 -0.105)
OKLCH	oklch(36.3% 0.139 311.2)
XYZ	xyz(7.2730, 4.1263, 16.3297)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F72 #3C721F

analogous

#2B1F72 #551F72 #721F65

triadic

#551F72 #72551F #1F7255

tetradic

#551F72 #722B1F #3C721F #1F6572

square

#551F72 #722B1F #3C721F #1F6572

split-complementary

#551F72 #65721F #1F722B

monochromatic

#120718 #311242 #551F72 #792CA2 #9B40CB

Accessibility & contrast

On white

11.51

#551F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#551F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F72

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F72	#FFFFFF	#000000	##FFFFFF
##551F72	1.00	11.51	1.83	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003774

Deuteranopia (green-blind)

#143A70

Tritanopia (blue-blind)

#513146

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #551f72;
/* rgb */ color: rgb(85, 31, 114);
/* oklch */ color: oklch(36.3% 0.139 311.2);

Tailwind

colors: {
  custom: {
    50: '#88609b',
    500: '#551f72',
    950: '#000000',
  },
}

SCSS

$custom: #551f72;
$custom-light: #88609b;
$custom-dark: #000000;

JSON

{
  "hex": "#551f72",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 114
  },
  "hsl": {
    "h": 279.036,
    "s": 57.241,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36297,
    "c": 0.13946,
    "h": 311.2
  },
  "luminance": 0.04126
}

Semantic roles & 50–950 ramp

primary

#551F72

secondary

#68A647

accent

#E0477D

background

#F8F5F9

surface

#F0EAF2

border

#CBC6CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551F72

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

Preview Lab → · Contrast checker → · Palette generator →