#551BA0#551BA0

#551BA0 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.9% C 0.192 H 295.8°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#551BA0
RGB	rgb(85, 27, 160)
HSL	hsl(266, 71%, 37%)
HSV	hsv(266, 83%, 63%)
CMYK	cmyk(46.9%, 83.1%, 0%, 37.3%)
CIE-LAB	lab(27.44, 52.52, -60.40)
CIE-LCH	lch(27.44, 80.04, 311.01°)
OKLab	oklab(39.87% 0.0837 -0.1732)
OKLCH	oklch(39.87% 0.192 295.8)
XYZ	xyz(10.4817, 5.2530, 33.7126)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551BA0 #66A01B

analogous

#1B24A0 #551BA0 #981BA0

triadic

#551BA0 #A0551B #1BA055

tetradic

#551BA0 #A01B24 #66A01B #1BA098

square

#551BA0 #A01B24 #66A01B #1BA098

split-complementary

#551BA0 #A0981B #24A01B

monochromatic

#1D0937 #39126C #551BA0 #7124D4 #9253E2

Accessibility & contrast

On white

10.24

#551BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#551BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551BA0

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551BA0	#FFFFFF	#000000	##FFFFFF
##551BA0	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A4

Deuteranopia (green-blind)

#003F9E

Tritanopia (blue-blind)

#3F425F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #551ba0;
/* rgb */ color: rgb(85, 27, 160);
/* oklch */ color: oklch(39.9% 0.192 295.8);

Tailwind

colors: {
  custom: {
    50: '#8d60bd',
    500: '#551ba0',
    950: '#000000',
  },
}

SCSS

$custom: #551ba0;
$custom-light: #8d60bd;
$custom-dark: #000000;

JSON

{
  "hex": "#551ba0",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 160
  },
  "hsl": {
    "h": 266.165,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39874,
    "c": 0.19238,
    "h": 295.8
  },
  "luminance": 0.05253
}

Semantic roles & 50–950 ramp

primary

#551BA0

secondary

#93C552

accent

#EE3A9F

background

#F9F5FB

surface

#F1EAF7

border

#CBC6D0

text

#0D0512

muted

#7E7981

Preview Lab

Preview with #551BA0

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

Preview Lab → · Contrast checker → · Palette generator →