#5550C8#5550C8

#5550C8 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.6% C 0.181 H 279.6°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#5550C8
RGB	rgb(85, 80, 200)
HSL	hsl(243, 52%, 55%)
HSV	hsv(243, 60%, 78%)
CMYK	cmyk(57.5%, 60%, 0%, 21.6%)
CIE-LAB	lab(40.96, 36.41, -62.06)
CIE-LCH	lch(40.96, 71.95, 300.40°)
OKLab	oklab(50.59% 0.0302 -0.1782)
OKLCH	oklch(50.59% 0.181 279.6)
XYZ	xyz(17.0370, 11.8376, 56.0195)
Luminance	0.1184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5550C8 #C3C850

analogous

#5087C8 #5550C8 #9150C8

triadic

#5550C8 #C85550 #50C855

tetradic

#5550C8 #C85087 #C3C850 #50C891

square

#5550C8 #C85087 #C3C850 #50C891

split-complementary

#5550C8 #C89150 #87C850

monochromatic

#292678 #3934A6 #5550C8 #827FD7 #AFADE5

Accessibility & contrast

On white

6.24

#5550C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#5550C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5550C8

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5550C8	#FFFFFF	#000000	##FFFFFF
##5550C8	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CC

Deuteranopia (green-blind)

#005CC6

Tritanopia (blue-blind)

#0F6D84

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #5550c8;
/* rgb */ color: rgb(85, 80, 200);
/* oklch */ color: oklch(50.6% 0.181 279.6);

Tailwind

colors: {
  custom: {
    50: '#8f81da',
    500: '#5550c8',
    950: '#000000',
  },
}

SCSS

$custom: #5550c8;
$custom-light: #8f81da;
$custom-dark: #000000;

JSON

{
  "hex": "#5550c8",
  "rgb": {
    "r": 85,
    "g": 80,
    "b": 200
  },
  "hsl": {
    "h": 242.5,
    "s": 52.174,
    "l": 54.902
  },
  "oklch": {
    "l": 0.50592,
    "c": 0.18077,
    "h": 279.6
  },
  "luminance": 0.11839
}

Semantic roles & 50–950 ramp

primary

#5550C8

secondary

#D1D3A1

accent

#DC4CD6

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #5550C8

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

Preview Lab → · Contrast checker → · Palette generator →