#5556CF#5556CF

#5556CF is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.2% C 0.182 H 277.7°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#5556CF
RGB	rgb(85, 86, 207)
HSL	hsl(240, 56%, 57%)
HSV	hsv(240, 59%, 81%)
CMYK	cmyk(58.9%, 58.5%, 0%, 18.8%)
CIE-LAB	lab(42.90, 35.02, -62.94)
CIE-LCH	lch(42.90, 72.03, 299.09°)
OKLab	oklab(52.19% 0.0243 -0.1808)
OKLCH	oklch(52.19% 0.182 277.7)
XYZ	xyz(18.3330, 13.0905, 60.5800)
Luminance	0.1309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5556CF #CFCE55

analogous

#5593CF #5556CF #9155CF

triadic

#5556CF #CF5556 #56CF55

tetradic

#5556CF #CF5593 #CFCE55 #55CF91

square

#5556CF #CF5593 #CFCE55 #55CF91

split-complementary

#5556CF #CF9155 #93CF55

monochromatic

#252684 #3334B4 #5556CF #8585DC #B4B5EA

Accessibility & contrast

On white

5.80

#5556CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#5556CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5556CF

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5556CF	#FFFFFF	#000000	##FFFFFF
##5556CF	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD3

Deuteranopia (green-blind)

#0060CD

Tritanopia (blue-blind)

#00738A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5556cf;
/* rgb */ color: rgb(85, 86, 207);
/* oklch */ color: oklch(52.2% 0.182 277.7);

Tailwind

colors: {
  custom: {
    50: '#9086de',
    500: '#5556cf',
    950: '#000000',
  },
}

SCSS

$custom: #5556cf;
$custom-light: #9086de;
$custom-dark: #000000;

JSON

{
  "hex": "#5556cf",
  "rgb": {
    "r": 85,
    "g": 86,
    "b": 207
  },
  "hsl": {
    "h": 239.508,
    "s": 55.963,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52188,
    "c": 0.18243,
    "h": 277.7
  },
  "luminance": 0.13092
}

Semantic roles & 50–950 ramp

primary

#5556CF

secondary

#D9D8A7

accent

#DE49DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5556CF

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

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