#5566DA#5566DA

#5566DA is a mid, vivid blue. Relative luminance 0.165; OKLCH L 56.0% C 0.177 H 273.0°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX#5566DA
RGBrgb(85, 102, 218)
HSLhsl(232, 64%, 59%)
HSVhsv(232, 61%, 85%)
CMYKcmyk(61%, 53.2%, 0%, 14.5%)
CIE-LABlab(47.62, 28.77, -61.59)
CIE-LCHlch(47.62, 67.98, 295.04°)
OKLaboklab(55.95% 0.0094 -0.1767)
OKLCHoklch(55.95% 0.177 273)
XYZxyz(21.1484, 16.4943, 68.3853)
Luminance0.1650 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5566DA #DAC955
analogous
#55A9DA #5566DA #8755DA
triadic
#5566DA #DA5566 #66DA55
tetradic
#5566DA #DA55A9 #DAC955 #55DA87
square
#5566DA #DA55A9 #DAC955 #55DA87
split-complementary
#5566DA #DA8755 #A9DA55
monochromatic
#202F94 #2B3FC7 #5566DA #8793E5 #BAC0F0

Accessibility & contrast

On white

4.88
#5566DA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.30
#5566DA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5566DA
4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5566DA#FFFFFF#000000##FFFFFF
##5566DA1.004.884.304.88
#FFFFFF4.881.0021.001.00
#0000004.3021.001.0021.00
##FFFFFF4.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A77DE
Deuteranopia (green-blind)
#006BD8
Tritanopia (blue-blind)
#008196
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #5566da;
/* rgb */ color: rgb(85, 102, 218);
/* oklch */ color: oklch(56.0% 0.177 273.0);
Tailwind
colors: {
  custom: {
    50: '#9191e6',
    500: '#5566da',
    950: '#000000',
  },
}
SCSS
$custom: #5566da;
$custom-light: #9191e6;
$custom-dark: #000000;
JSON
{
  "hex": "#5566da",
  "rgb": {
    "r": 85,
    "g": 102,
    "b": 218
  },
  "hsl": {
    "h": 232.331,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.5595,
    "c": 0.17692,
    "h": 273
  },
  "luminance": 0.16496
}

Semantic roles & 50–950 ramp

primary
#5566DA
secondary
#DFD9AB
accent
#D241E7
background
#F9F8FE
surface
#F2F0FC
border
#CCCBD5
text
#0E0C16
muted
#7E7D84

Preview Lab

Preview with #5566DA

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

Preview Lab → · Contrast checker → · Palette generator →

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