#551F73#551F73

#551F73 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.4% C 0.141 H 310.7°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#551F73
RGB	rgb(85, 31, 115)
HSL	hsl(279, 58%, 29%)
HSV	hsv(279, 73%, 45%)
CMYK	cmyk(26.1%, 73%, 0%, 54.9%)
CIE-LAB	lab(24.16, 39.73, -37.67)
CIE-LCH	lch(24.16, 54.75, 316.52°)
OKLab	oklab(36.37% 0.0917 -0.1065)
OKLCH	oklch(36.37% 0.141 310.7)
XYZ	xyz(7.3302, 4.1492, 16.6311)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F73 #3D731F

analogous

#2B1F73 #551F73 #731F67

triadic

#551F73 #73551F #1F7355

tetradic

#551F73 #732B1F #3D731F #1F6773

square

#551F73 #732B1F #3D731F #1F6773

split-complementary

#551F73 #67731F #1F732B

monochromatic

#120618 #311243 #551F73 #792CA3 #9A41CC

Accessibility & contrast

On white

11.48

#551F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#551F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F73

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F73	#FFFFFF	#000000	##FFFFFF
##551F73	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003775

Deuteranopia (green-blind)

#123A71

Tritanopia (blue-blind)

#513146

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #551f73;
/* rgb */ color: rgb(85, 31, 115);
/* oklch */ color: oklch(36.4% 0.141 310.7);

Tailwind

colors: {
  custom: {
    50: '#88609c',
    500: '#551f73',
    950: '#000000',
  },
}

SCSS

$custom: #551f73;
$custom-light: #88609c;
$custom-dark: #000000;

JSON

{
  "hex": "#551f73",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 115
  },
  "hsl": {
    "h": 278.571,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36373,
    "c": 0.14053,
    "h": 310.7
  },
  "luminance": 0.04149
}

Semantic roles & 50–950 ramp

primary

#551F73

secondary

#69A747

accent

#E1477E

background

#F8F5F9

surface

#F0EAF2

border

#CBC6CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551F73

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

Preview Lab → · Contrast checker → · Palette generator →