#4573C6#4573C6

#4573C6 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.4% C 0.138 H 261.2°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4573C6
RGB	rgb(69, 115, 198)
HSL	hsl(219, 53%, 52%)
HSV	hsv(219, 65%, 78%)
CMYK	cmyk(65.2%, 41.9%, 0%, 22.4%)
CIE-LAB	lab(49.01, 10.98, -47.99)
CIE-LCH	lch(49.01, 49.23, 282.88°)
OKLab	oklab(56.39% -0.0211 -0.1368)
OKLCH	oklch(56.39% 0.138 261.2)
XYZ	xyz(18.7744, 17.6021, 55.8233)
Luminance	0.1760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4573C6 #C69845

analogous

#45B3C6 #4573C6 #5845C6

triadic

#4573C6 #C64573 #73C645

tetradic

#4573C6 #C645B3 #C69845 #45C658

square

#4573C6 #C645B3 #C69845 #45C658

split-complementary

#4573C6 #C65845 #B3C645

monochromatic

#223D6F #30579E #4573C6 #7496D4 #A3BAE3

Accessibility & contrast

On white

4.65

#4573C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#4573C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4573C6

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4573C6	#FFFFFF	#000000	##FFFFFF
##4573C6	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7BC9

Deuteranopia (green-blind)

#396FC4

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4573c6;
/* rgb */ color: rgb(69, 115, 198);
/* oklch */ color: oklch(56.4% 0.138 261.2);

Tailwind

colors: {
  custom: {
    50: '#859ad8',
    500: '#4573c6',
    950: '#000000',
  },
}

SCSS

$custom: #4573c6;
$custom-light: #859ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#4573c6",
  "rgb": {
    "r": 69,
    "g": 115,
    "b": 198
  },
  "hsl": {
    "h": 218.605,
    "s": 53.086,
    "l": 52.353
  },
  "oklch": {
    "l": 0.56389,
    "c": 0.13843,
    "h": 261.2
  },
  "luminance": 0.17604
}

Semantic roles & 50–950 ramp

primary

#4573C6

secondary

#CFBB97

accent

#A94BDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4573C6

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

Preview Lab → · Contrast checker → · Palette generator →