#551CA9#551CA9

#551CA9 is a dark, highly saturated violet. Relative luminance 0.056; OKLCH L 40.8% C 0.201 H 293.4°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#551CA9
RGB	rgb(85, 28, 169)
HSL	hsl(264, 72%, 39%)
HSV	hsv(264, 83%, 66%)
CMYK	cmyk(49.7%, 83.4%, 0%, 33.7%)
CIE-LAB	lab(28.45, 54.42, -64.20)
CIE-LCH	lch(28.45, 84.16, 310.29°)
OKLab	oklab(40.83% 0.0798 -0.1844)
OKLCH	oklch(40.83% 0.201 293.4)
XYZ	xyz(11.3210, 5.6260, 38.0179)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551CA9 #70A91C

analogous

#1C29A9 #551CA9 #9B1CA9

triadic

#551CA9 #A9551C #1CA955

tetradic

#551CA9 #A91C29 #70A91C #1CA99B

square

#551CA9 #A91C29 #70A91C #1CA99B

split-complementary

#551CA9 #A99B1C #29A91C

monochromatic

#200B40 #3B1374 #551CA9 #7027DB #935BE4

Accessibility & contrast

On white

9.88

#551CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#551CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551CA9

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551CA9	#FFFFFF	#000000	##FFFFFF
##551CA9	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AD

Deuteranopia (green-blind)

#0041A6

Tritanopia (blue-blind)

#3A4765

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #551ca9;
/* rgb */ color: rgb(85, 28, 169);
/* oklch */ color: oklch(40.8% 0.201 293.4);

Tailwind

colors: {
  custom: {
    50: '#8e61c4',
    500: '#551ca9',
    950: '#000000',
  },
}

SCSS

$custom: #551ca9;
$custom-light: #8e61c4;
$custom-dark: #000000;

JSON

{
  "hex": "#551ca9",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 169
  },
  "hsl": {
    "h": 264.255,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40832,
    "c": 0.2009,
    "h": 293.4
  },
  "luminance": 0.05626
}

Semantic roles & 50–950 ramp

primary

#551CA9

secondary

#9BC859

accent

#EE39A5

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0D0513

muted

#7E7A82

Preview Lab

Preview with #551CA9

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

Preview Lab → · Contrast checker → · Palette generator →