#551CA0#551CA0

#551CA0 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 40.0% C 0.192 H 295.7°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#551CA0
RGB	rgb(85, 28, 160)
HSL	hsl(266, 70%, 37%)
HSV	hsv(266, 83%, 63%)
CMYK	cmyk(46.9%, 82.5%, 0%, 37.3%)
CIE-LAB	lab(27.57, 52.14, -60.19)
CIE-LCH	lch(27.57, 79.63, 310.90°)
OKLab	oklab(39.96% 0.083 -0.1726)
OKLCH	oklch(39.96% 0.192 295.7)
XYZ	xyz(10.5050, 5.2996, 33.7203)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551CA0 #67A01C

analogous

#1C25A0 #551CA0 #971CA0

triadic

#551CA0 #A0551C #1CA055

tetradic

#551CA0 #A01C25 #67A01C #1CA097

square

#551CA0 #A01C25 #67A01C #1CA097

split-complementary

#551CA0 #A0971C #25A01C

monochromatic

#1E0A38 #39136C #551CA0 #7125D4 #9255E1

Accessibility & contrast

On white

10.19

#551CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#551CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551CA0

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551CA0	#FFFFFF	#000000	##FFFFFF
##551CA0	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A4

Deuteranopia (green-blind)

#003F9E

Tritanopia (blue-blind)

#3F435F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #551ca0;
/* rgb */ color: rgb(85, 28, 160);
/* oklch */ color: oklch(40.0% 0.192 295.7);

Tailwind

colors: {
  custom: {
    50: '#8d61bd',
    500: '#551ca0',
    950: '#000000',
  },
}

SCSS

$custom: #551ca0;
$custom-light: #8d61bd;
$custom-dark: #000000;

JSON

{
  "hex": "#551ca0",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 160
  },
  "hsl": {
    "h": 265.909,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39962,
    "c": 0.19155,
    "h": 295.7
  },
  "luminance": 0.053
}

Semantic roles & 50–950 ramp

primary

#551CA0

secondary

#94C453

accent

#ED3BA0

background

#F9F6FB

surface

#F1EBF7

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #551CA0

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

Preview Lab → · Contrast checker → · Palette generator →