#3566DC#3566DC

#3566DC is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.5% C 0.189 H 264.1°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX#3566DC
RGBrgb(53, 102, 220)
HSLhsl(222, 70%, 54%)
HSVhsv(222, 76%, 86%)
CMYKcmyk(75.9%, 53.6%, 0%, 13.7%)
CIE-LABlab(46.21, 24.89, -65.08)
CIE-LCHlch(46.21, 69.67, 290.93°)
OKLaboklab(54.52% -0.0194 -0.1876)
OKLCHoklch(54.52% 0.189 264.1)
XYZxyz(19.1332, 15.4248, 69.6652)
Luminance0.1543 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3566DC #DCAB35
analogous
#35B9DC #3566DC #5735DC
triadic
#3566DC #DC3566 #66DC35
tetradic
#3566DC #DC35B9 #DCAB35 #35DC57
square
#3566DC #DC35B9 #DCAB35 #35DC57
split-complementary
#3566DC #DC5735 #B9DC35
monochromatic
#163580 #1F4BB5 #3566DC #698EE5 #9DB5EE

Accessibility & contrast

On white

5.14
#3566DC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.09
#3566DC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3566DC
5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3566DC#FFFFFF#000000##FFFFFF
##3566DC1.005.144.095.14
#FFFFFF5.141.0021.001.00
#0000004.0921.001.0021.00
##FFFFFF5.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0076E0
Deuteranopia (green-blind)
#0066DA
Tritanopia (blue-blind)
#008397
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #3566dc;
/* rgb */ color: rgb(53, 102, 220);
/* oklch */ color: oklch(54.5% 0.189 264.1);
Tailwind
colors: {
  custom: {
    50: '#8491e8',
    500: '#3566dc',
    950: '#000000',
  },
}
SCSS
$custom: #3566dc;
$custom-light: #8491e8;
$custom-dark: #000000;
JSON
{
  "hex": "#3566dc",
  "rgb": {
    "r": 53,
    "g": 102,
    "b": 220
  },
  "hsl": {
    "h": 222.395,
    "s": 70.464,
    "l": 53.529
  },
  "oklch": {
    "l": 0.54516,
    "c": 0.18858,
    "h": 264.1
  },
  "luminance": 0.15427
}

Semantic roles & 50–950 ramp

primary
#3566DC
secondary
#DAC593
accent
#B93BED
background
#F8F8FE
surface
#F0F0FD
border
#CBCBD5
text
#0D0C16
muted
#7D7D84

Preview Lab

Preview with #3566DC

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

Preview Lab → · Contrast checker → · Palette generator →

#3566DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva