#551CA1#551CA1

#551CA1 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 40.1% C 0.193 H 295.4°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#551CA1
RGB	rgb(85, 28, 161)
HSL	hsl(266, 70%, 37%)
HSV	hsv(266, 83%, 63%)
CMYK	cmyk(47.2%, 82.6%, 0%, 36.9%)
CIE-LAB	lab(27.67, 52.39, -60.64)
CIE-LCH	lch(27.67, 80.14, 310.83°)
OKLab	oklab(40.06% 0.0827 -0.1739)
OKLCH	oklch(40.06% 0.193 295.4)
XYZ	xyz(10.5928, 5.3347, 34.1829)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551CA1 #68A11C

analogous

#1C26A1 #551CA1 #971CA1

triadic

#551CA1 #A1551C #1CA155

tetradic

#551CA1 #A11C26 #68A11C #1CA197

square

#551CA1 #A11C26 #68A11C #1CA197

split-complementary

#551CA1 #A1971C #26A11C

monochromatic

#1E0A39 #39136D #551CA1 #7125D5 #9256E2

Accessibility & contrast

On white

10.16

#551CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#551CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551CA1

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551CA1	#FFFFFF	#000000	##FFFFFF
##551CA1	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A5

Deuteranopia (green-blind)

#003F9F

Tritanopia (blue-blind)

#3F4360

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #551ca1;
/* rgb */ color: rgb(85, 28, 161);
/* oklch */ color: oklch(40.1% 0.193 295.4);

Tailwind

colors: {
  custom: {
    50: '#8d61be',
    500: '#551ca1',
    950: '#000000',
  },
}

SCSS

$custom: #551ca1;
$custom-light: #8d61be;
$custom-dark: #000000;

JSON

{
  "hex": "#551ca1",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 265.714,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40058,
    "c": 0.19258,
    "h": 295.4
  },
  "luminance": 0.05335
}

Semantic roles & 50–950 ramp

primary

#551CA1

secondary

#94C554

accent

#ED3BA1

background

#F9F6FB

surface

#F1EBF7

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #551CA1

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

Preview Lab → · Contrast checker → · Palette generator →