#5556E3#5556E3

#5556E3 is a mid, highly saturated blue. Relative luminance 0.141; OKLCH L 53.8% C 0.208 H 276.5°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#5556E3
RGB	rgb(85, 86, 227)
HSL	hsl(240, 72%, 61%)
HSV	hsv(240, 63%, 89%)
CMYK	cmyk(62.6%, 62.1%, 0%, 11%)
CIE-LAB	lab(44.42, 41.52, -71.89)
CIE-LCH	lch(44.42, 83.02, 300.01°)
OKLab	oklab(53.79% 0.0236 -0.2071)
OKLCH	oklch(53.79% 0.208 276.5)
XYZ	xyz(20.9347, 14.1312, 74.2825)
Luminance	0.1413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5556E3 #E3E255

analogous

#559DE3 #5556E3 #9B55E3

triadic

#5556E3 #E35556 #56E355

tetradic

#5556E3 #E3559D #E3E255 #55E39B

square

#5556E3 #E3559D #E3E255 #55E39B

split-complementary

#5556E3 #E39B55 #9DE355

monochromatic

#1B1CA3 #2325D7 #5556E3 #8A8AEC #BEBEF4

Accessibility & contrast

On white

5.49

#5556E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#5556E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5556E3

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5556E3	#FFFFFF	#000000	##FFFFFF
##5556E3	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE8

Deuteranopia (green-blind)

#0063E0

Tritanopia (blue-blind)

#007994

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5556e3;
/* rgb */ color: rgb(85, 86, 227);
/* oklch */ color: oklch(53.8% 0.208 276.5);

Tailwind

colors: {
  custom: {
    50: '#9486ed',
    500: '#5556e3',
    950: '#000000',
  },
}

SCSS

$custom: #5556e3;
$custom-light: #9486ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5556e3",
  "rgb": {
    "r": 85,
    "g": 86,
    "b": 227
  },
  "hsl": {
    "h": 239.577,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.53785,
    "c": 0.20842,
    "h": 276.5
  },
  "luminance": 0.14133
}

Semantic roles & 50–950 ramp

primary

#5556E3

secondary

#E5E4AF

accent

#D212D4

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5556E3

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

Preview Lab → · Contrast checker → · Palette generator →