#4566CC#4566CC

#4566CC is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.1% C 0.162 H 267.3°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#4566CC
RGB	rgb(69, 102, 204)
HSL	hsl(225, 57%, 54%)
HSV	hsv(225, 66%, 80%)
CMYK	cmyk(66.2%, 50%, 0%, 20%)
CIE-LAB	lab(45.81, 21.26, -56.56)
CIE-LCH	lch(45.81, 60.43, 290.60°)
OKLab	oklab(54.05% -0.0077 -0.1622)
OKLCH	oklch(54.05% 0.162 267.3)
XYZ	xyz(18.1009, 15.1259, 59.0807)
Luminance	0.1513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4566CC #CCAB45

analogous

#45A9CC #4566CC #6745CC

triadic

#4566CC #CC4566 #66CC45

tetradic

#4566CC #CC45A9 #CCAB45 #45CC67

square

#4566CC #CC45A9 #CCAB45 #45CC67

split-complementary

#4566CC #CC6745 #A9CC45

monochromatic

#203576 #2E4BA6 #4566CC #758ED9 #A5B5E6

Accessibility & contrast

On white

5.22

#4566CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#4566CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4566CC

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4566CC	#FFFFFF	#000000	##FFFFFF
##4566CC	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C73D0

Deuteranopia (green-blind)

#0067CA

Tritanopia (blue-blind)

#007E8F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4566cc;
/* rgb */ color: rgb(69, 102, 204);
/* oklch */ color: oklch(54.1% 0.162 267.3);

Tailwind

colors: {
  custom: {
    50: '#8791dc',
    500: '#4566cc',
    950: '#000000',
  },
}

SCSS

$custom: #4566cc;
$custom-light: #8791dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4566cc",
  "rgb": {
    "r": 69,
    "g": 102,
    "b": 204
  },
  "hsl": {
    "h": 225.333,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.54051,
    "c": 0.16241,
    "h": 267.3
  },
  "luminance": 0.15128
}

Semantic roles & 50–950 ramp

primary

#4566CC

secondary

#D3C599

accent

#BB48E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4566CC

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

Preview Lab → · Contrast checker → · Palette generator →