#4566BF#4566BF

#4566BF is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.2% C 0.144 H 266.3°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX#4566BF
RGBrgb(69, 102, 191)
HSLhsl(224, 49%, 51%)
HSVhsv(224, 64%, 75%)
CMYKcmyk(63.9%, 46.6%, 0%, 25.1%)
CIE-LABlab(44.98, 16.67, -50.39)
CIE-LCHlch(44.98, 53.08, 288.31°)
OKLaboklab(53.16% -0.0093 -0.1441)
OKLCHoklch(53.16% 0.144 266.3)
XYZxyz(16.6063, 14.5280, 51.2092)
Luminance0.1453 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4566BF #BF9E45
analogous
#45A3BF #4566BF #6145BF
triadic
#4566BF #BF4566 #66BF45
tetradic
#4566BF #BF45A3 #BF9E45 #45BF61
square
#4566BF #BF45A3 #BF9E45 #45BF61
split-complementary
#4566BF #BF6145 #A3BF45
monochromatic
#233566 #334D94 #4566BF #738BCF #A0B1DE

Accessibility & contrast

On white

5.38
#4566BF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.91
#4566BF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4566BF
5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4566BF#FFFFFF#000000##FFFFFF
##4566BF1.005.383.915.38
#FFFFFF5.381.0021.001.00
#0000003.9121.001.0021.00
##FFFFFF5.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A70C2
Deuteranopia (green-blind)
#2465BD
Tritanopia (blue-blind)
#007A89
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #4566bf;
/* rgb */ color: rgb(69, 102, 191);
/* oklch */ color: oklch(53.2% 0.144 266.3);
Tailwind
colors: {
  custom: {
    50: '#8591d3',
    500: '#4566bf',
    950: '#000000',
  },
}
SCSS
$custom: #4566bf;
$custom-light: #8591d3;
$custom-dark: #000000;
JSON
{
  "hex": "#4566bf",
  "rgb": {
    "r": 69,
    "g": 102,
    "b": 191
  },
  "hsl": {
    "h": 223.77,
    "s": 48.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.53157,
    "c": 0.14438,
    "h": 266.3
  },
  "luminance": 0.1453
}

Semantic roles & 50–950 ramp

primary
#4566BF
secondary
#CBBC95
accent
#B34FD8
background
#F8F8FD
surface
#F0F0FA
border
#CBCBD3
text
#0C0C14
muted
#7D7D83

Preview Lab

Preview with #4566BF

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

Preview Lab → · Contrast checker → · Palette generator →

#4566BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva