#5556CD#5556CD

#5556CD is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.0% C 0.180 H 277.8°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#5556CD
RGB	rgb(85, 86, 205)
HSL	hsl(240, 55%, 57%)
HSV	hsv(240, 59%, 80%)
CMYK	cmyk(58.5%, 58%, 0%, 19.6%)
CIE-LAB	lab(42.75, 34.36, -62.03)
CIE-LCH	lch(42.75, 70.91, 298.99°)
OKLab	oklab(52.03% 0.0243 -0.1781)
OKLCH	oklch(52.03% 0.18 277.8)
XYZ	xyz(18.0900, 12.9933, 59.3005)
Luminance	0.1300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5556CD #CDCC55

analogous

#5592CD #5556CD #9055CD

triadic

#5556CD #CD5556 #56CD55

tetradic

#5556CD #CD5592 #CDCC55 #55CD90

square

#5556CD #CD5592 #CDCC55 #55CD90

split-complementary

#5556CD #CD9055 #92CD55

monochromatic

#262782 #3435B1 #5556CD #8485DB #B4B4E9

Accessibility & contrast

On white

5.83

#5556CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#5556CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5556CD

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5556CD	#FFFFFF	#000000	##FFFFFF
##5556CD	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD1

Deuteranopia (green-blind)

#0060CB

Tritanopia (blue-blind)

#007289

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5556cd;
/* rgb */ color: rgb(85, 86, 205);
/* oklch */ color: oklch(52.0% 0.180 277.8);

Tailwind

colors: {
  custom: {
    50: '#9085dd',
    500: '#5556cd',
    950: '#000000',
  },
}

SCSS

$custom: #5556cd;
$custom-light: #9085dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5556cd",
  "rgb": {
    "r": 85,
    "g": 86,
    "b": 205
  },
  "hsl": {
    "h": 239.5,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52034,
    "c": 0.17976,
    "h": 277.8
  },
  "luminance": 0.12995
}

Semantic roles & 50–950 ramp

primary

#5556CD

secondary

#D7D7A6

accent

#DD4ADE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5556CD

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

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