#4566F0#4566F0

#4566F0 is a mid, highly saturated blue. Relative luminance 0.171; OKLCH L 56.8% C 0.210 H 268.5°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4566F0
RGB	rgb(69, 102, 240)
HSL	hsl(228, 85%, 61%)
HSV	hsv(228, 71%, 94%)
CMYK	cmyk(71.3%, 57.5%, 0%, 5.9%)
CIE-LAB	lab(48.33, 33.96, -72.88)
CIE-LCH	lch(48.33, 80.41, 294.99°)
OKLab	oklab(56.75% -0.0054 -0.2102)
OKLCH	oklch(56.75% 0.21 268.5)
XYZ	xyz(22.9284, 17.0568, 84.5051)
Luminance	0.1706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4566F0 #F0CF45

analogous

#45BBF0 #4566F0 #7945F0

triadic

#4566F0 #F04566 #66F045

tetradic

#4566F0 #F045BB #F0CF45 #45F079

square

#4566F0 #F045BB #F0CF45 #45F079

split-complementary

#4566F0 #F07945 #BBF045

monochromatic

#0E2DAD #123BE5 #4566F0 #7E95F5 #B6C3F9

Accessibility & contrast

On white

4.76

#4566F0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#4566F0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4566F0

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4566F0	#FFFFFF	#000000	##FFFFFF
##4566F0	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BF5

Deuteranopia (green-blind)

#006BED

Tritanopia (blue-blind)

#0088A1

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4566f0;
/* rgb */ color: rgb(69, 102, 240);
/* oklch */ color: oklch(56.8% 0.210 268.5);

Tailwind

colors: {
  custom: {
    50: '#8e91f6',
    500: '#4566f0',
    950: '#000000',
  },
}

SCSS

$custom: #4566f0;
$custom-light: #8e91f6;
$custom-dark: #000000;

JSON

{
  "hex": "#4566f0",
  "rgb": {
    "r": 69,
    "g": 102,
    "b": 240
  },
  "hsl": {
    "h": 228.421,
    "s": 85.075,
    "l": 60.588
  },
  "oklch": {
    "l": 0.56752,
    "c": 0.21029,
    "h": 268.5
  },
  "luminance": 0.17059
}

Semantic roles & 50–950 ramp

primary

#4566F0

secondary

#E9DCA8

accent

#B704E2

background

#F9F8FF

surface

#F2F0FF

border

#CCCBD7

text

#0E0C17

muted

#7E7D85

Preview Lab

Preview with #4566F0

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

Preview Lab → · Contrast checker → · Palette generator →