#551FBC#551FBC

#551FBC is a dark, highly saturated violet. Relative luminance 0.065; OKLCH L 43.0% C 0.218 H 289.0°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#551FBC
RGB	rgb(85, 31, 188)
HSL	hsl(261, 72%, 43%)
HSV	hsv(261, 84%, 74%)
CMYK	cmyk(54.8%, 83.5%, 0%, 26.3%)
CIE-LAB	lab(30.74, 58.19, -71.77)
CIE-LCH	lch(30.74, 92.39, 309.04°)
OKLab	oklab(42.98% 0.0711 -0.2065)
OKLCH	oklch(42.98% 0.218 289)
XYZ	xyz(13.3107, 6.5414, 48.1285)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551FBC #86BC1F

analogous

#1F37BC #551FBC #A31FBC

triadic

#551FBC #BC551F #1FBC55

tetradic

#551FBC #BC1F37 #86BC1F #1FBCA3

square

#551FBC #BC1F37 #86BC1F #1FBCA3

split-complementary

#551FBC #BCA31F #37BC1F

monochromatic

#250E53 #3D1687 #551FBC #723ADE #986EE7

Accessibility & contrast

On white

9.10

#551FBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#551FBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551FBC

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551FBC	#FFFFFF	#000000	##FFFFFF
##551FBC	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BC0

Deuteranopia (green-blind)

#0044B9

Tritanopia (blue-blind)

#2A5070

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #551fbc;
/* rgb */ color: rgb(85, 31, 188);
/* oklch */ color: oklch(43.0% 0.218 289.0);

Tailwind

colors: {
  custom: {
    50: '#9164d2',
    500: '#551fbc',
    950: '#000000',
  },
}

SCSS

$custom: #551fbc;
$custom-light: #9164d2;
$custom-dark: #000000;

JSON

{
  "hex": "#551fbc",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 188
  },
  "hsl": {
    "h": 260.637,
    "s": 71.689,
    "l": 42.941
  },
  "oklch": {
    "l": 0.4298,
    "c": 0.21841,
    "h": 289
  },
  "luminance": 0.06542
}

Semantic roles & 50–950 ramp

primary

#551FBC

secondary

#ABCD69

accent

#EE39B0

background

#F9F6FD

surface

#F2EBFA

border

#CCC6D3

text

#0E0614

muted

#7E7A83

Preview Lab

Preview with #551FBC

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

Preview Lab → · Contrast checker → · Palette generator →