#551F85#551F85

#551F85 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.8% C 0.160 H 303.6°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#551F85
RGB	rgb(85, 31, 133)
HSL	hsl(272, 62%, 32%)
HSV	hsv(272, 77%, 52%)
CMYK	cmyk(36.1%, 76.7%, 0%, 47.8%)
CIE-LAB	lab(25.58, 44.11, -46.78)
CIE-LCH	lch(25.58, 64.30, 313.32°)
OKLab	oklab(37.83% 0.0884 -0.1333)
OKLCH	oklch(37.83% 0.16 303.6)
XYZ	xyz(8.4690, 4.6047, 22.6284)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.38

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F85 #4F851F

analogous

#221F85 #551F85 #851F82

triadic

#551F85 #85551F #1F8555

tetradic

#551F85 #85221F #4F851F #1F8285

square

#551F85 #85221F #4F851F #1F8285

split-complementary

#551F85 #82851F #1F8522

monochromatic

#160822 #351353 #551F85 #752BB7 #934AD5

Accessibility & contrast

On white

10.93

#551F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#551F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F85

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F85	#FFFFFF	#000000	##FFFFFF
##551F85	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B88

Deuteranopia (green-blind)

#003C83

Tritanopia (blue-blind)

#4B3950

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #551f85;
/* rgb */ color: rgb(85, 31, 133);
/* oklch */ color: oklch(37.8% 0.160 303.6);

Tailwind

colors: {
  custom: {
    50: '#8a61a9',
    500: '#551f85',
    950: '#000000',
  },
}

SCSS

$custom: #551f85;
$custom-light: #8a61a9;
$custom-dark: #000000;

JSON

{
  "hex": "#551f85",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 133
  },
  "hsl": {
    "h": 271.765,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37826,
    "c": 0.15996,
    "h": 303.6
  },
  "luminance": 0.04605
}

Semantic roles & 50–950 ramp

primary

#551F85

secondary

#7DB749

accent

#E5438F

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551F85

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

Preview Lab → · Contrast checker → · Palette generator →