#5566DF#5566DF

#5566DF is a mid, vivid blue. Relative luminance 0.168; OKLCH L 56.3% C 0.184 H 273.0°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#5566DF
RGB	rgb(85, 102, 223)
HSL	hsl(233, 68%, 60%)
HSV	hsv(233, 62%, 87%)
CMYK	cmyk(61.9%, 54.3%, 0%, 12.5%)
CIE-LAB	lab(47.96, 30.45, -63.88)
CIE-LCH	lch(47.96, 70.76, 295.48°)
OKLab	oklab(56.31% 0.0096 -0.1834)
OKLCH	oklch(56.31% 0.184 273)
XYZ	xyz(21.8125, 16.7599, 71.8832)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5566DF #DFCE55

analogous

#55ABDF #5566DF #8955DF

triadic

#5566DF #DF5566 #66DF55

tetradic

#5566DF #DF55AB #DFCE55 #55DF89

square

#5566DF #DF55AB #DFCE55 #55DF89

split-complementary

#5566DF #DF8955 #ABDF55

monochromatic

#1D2D9C #273CD0 #5566DF #8994E9 #BCC3F2

Accessibility & contrast

On white

4.82

#5566DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#5566DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5566DF

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5566DF	#FFFFFF	#000000	##FFFFFF
##5566DF	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0878E3

Deuteranopia (green-blind)

#006CDD

Tritanopia (blue-blind)

#008399

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #5566df;
/* rgb */ color: rgb(85, 102, 223);
/* oklch */ color: oklch(56.3% 0.184 273.0);

Tailwind

colors: {
  custom: {
    50: '#9291ea',
    500: '#5566df',
    950: '#000000',
  },
}

SCSS

$custom: #5566df;
$custom-light: #9291ea;
$custom-dark: #000000;

JSON

{
  "hex": "#5566df",
  "rgb": {
    "r": 85,
    "g": 102,
    "b": 223
  },
  "hsl": {
    "h": 232.609,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.56313,
    "c": 0.18365,
    "h": 273
  },
  "luminance": 0.16762
}

Semantic roles & 50–950 ramp

primary

#5566DF

secondary

#E2DCAE

accent

#B915D0

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5566DF

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

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