#4566DD#4566DD

#4566DD is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.3% C 0.185 H 268.1°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#4566DD
RGB	rgb(69, 102, 221)
HSL	hsl(227, 69%, 57%)
HSV	hsv(227, 69%, 87%)
CMYK	cmyk(68.8%, 53.8%, 0%, 13.3%)
CIE-LAB	lab(46.96, 27.28, -64.41)
CIE-LCH	lch(46.96, 69.94, 292.95°)
OKLab	oklab(55.29% -0.0062 -0.1853)
OKLCH	oklch(55.29% 0.185 268.1)
XYZ	xyz(20.2523, 15.9864, 70.4110)
Luminance	0.1599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4566DD #DDBC45

analogous

#45B2DD #4566DD #7045DD

triadic

#4566DD #DD4566 #66DD45

tetradic

#4566DD #DD45B2 #DDBC45 #45DD70

square

#4566DD #DD45B2 #DDBC45 #45DD70

split-complementary

#4566DD #DD7045 #B2DD45

monochromatic

#1A338E #2346C1 #4566DD #7991E6 #ACBBF0

Accessibility & contrast

On white

5.00

#4566DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#4566DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4566DD

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4566DD	#FFFFFF	#000000	##FFFFFF
##4566DD	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0377E1

Deuteranopia (green-blind)

#0069DB

Tritanopia (blue-blind)

#008398

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4566dd;
/* rgb */ color: rgb(69, 102, 221);
/* oklch */ color: oklch(55.3% 0.185 268.1);

Tailwind

colors: {
  custom: {
    50: '#8a91e8',
    500: '#4566dd',
    950: '#000000',
  },
}

SCSS

$custom: #4566dd;
$custom-light: #8a91e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4566dd",
  "rgb": {
    "r": 69,
    "g": 102,
    "b": 221
  },
  "hsl": {
    "h": 226.974,
    "s": 69.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.55288,
    "c": 0.1854,
    "h": 268.1
  },
  "luminance": 0.15988
}

Semantic roles & 50–950 ramp

primary

#4566DD

secondary

#DED0A0

accent

#C63CEC

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4566DD

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

Preview Lab → · Contrast checker → · Palette generator →