#551CB4#551CB4

#551CB4 is a dark, highly saturated violet. Relative luminance 0.061; OKLCH L 41.9% C 0.212 H 290.9°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#551CB4
RGB	rgb(85, 28, 180)
HSL	hsl(263, 73%, 41%)
HSV	hsv(263, 84%, 71%)
CMYK	cmyk(52.8%, 84.4%, 0%, 29.4%)
CIE-LAB	lab(29.55, 57.21, -68.97)
CIE-LCH	lch(29.55, 89.61, 309.68°)
OKLab	oklab(41.92% 0.0758 -0.1983)
OKLCH	oklch(41.92% 0.212 290.9)
XYZ	xyz(12.3974, 6.0566, 43.6870)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551CB4 #7BB41C

analogous

#1C2FB4 #551CB4 #A11CB4

triadic

#551CB4 #B4551C #1CB455

tetradic

#551CB4 #B41C2F #7BB41C #1CB4A1

square

#551CB4 #B41C2F #7BB41C #1CB4A1

split-complementary

#551CB4 #B4A11C #2FB41C

monochromatic

#230C4A #3C147F #551CB4 #712FDF #9564E7

Accessibility & contrast

On white

9.50

#551CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#551CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551CB4

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551CB4	#FFFFFF	#000000	##FFFFFF
##551CB4	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B8

Deuteranopia (green-blind)

#0042B1

Tritanopia (blue-blind)

#324B6B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #551cb4;
/* rgb */ color: rgb(85, 28, 180);
/* oklch */ color: oklch(41.9% 0.212 290.9);

Tailwind

colors: {
  custom: {
    50: '#9062cc',
    500: '#551cb4',
    950: '#000000',
  },
}

SCSS

$custom: #551cb4;
$custom-light: #9062cc;
$custom-dark: #000000;

JSON

{
  "hex": "#551cb4",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 180
  },
  "hsl": {
    "h": 262.5,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.41924,
    "c": 0.21228,
    "h": 290.9
  },
  "luminance": 0.06057
}

Semantic roles & 50–950 ramp

primary

#551CB4

secondary

#A3CC60

accent

#F038AB

background

#F9F6FC

surface

#F2EBF9

border

#CCC6D2

text

#0E0614

muted

#7E7A82

Preview Lab

Preview with #551CB4

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

Preview Lab → · Contrast checker → · Palette generator →