#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
RGBrgb(85, 102, 223)
HSLhsl(233, 68%, 60%)
HSVhsv(233, 62%, 87%)
CMYKcmyk(61.9%, 54.3%, 0%, 12.5%)
CIE-LABlab(47.96, 30.45, -63.88)
CIE-LCHlch(47.96, 70.76, 295.48°)
OKLaboklab(56.31% 0.0096 -0.1834)
OKLCHoklch(56.31% 0.184 273)
XYZxyz(21.8125, 16.7599, 71.8832)
Luminance0.1676 (WCAG relative)
Temperaturecool
Familyblue

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
##5566DF1.004.824.354.82
#FFFFFF4.821.0021.001.00
#0000004.3521.001.0021.00
##FFFFFF4.821.0021.001.00

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.

Preview Lab → · Contrast checker → · Palette generator →

#5566DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva