#4573C8#4573C8

#4573C8 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.5% C 0.141 H 261.6°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4573C8
RGB	rgb(69, 115, 200)
HSL	hsl(219, 54%, 53%)
HSV	hsv(219, 66%, 78%)
CMYK	cmyk(65.5%, 42.5%, 0%, 21.6%)
CIE-LAB	lab(49.12, 11.68, -48.95)
CIE-LCH	lch(49.12, 50.32, 283.42°)
OKLab	oklab(56.51% -0.0207 -0.1396)
OKLCH	oklch(56.51% 0.141 261.6)
XYZ	xyz(19.0066, 17.6950, 57.0462)
Luminance	0.1770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4573C8 #C89A45

analogous

#45B5C8 #4573C8 #5845C8

triadic

#4573C8 #C84573 #73C845

tetradic

#4573C8 #C845B5 #C89A45 #45C858

square

#4573C8 #C845B5 #C89A45 #45C858

split-complementary

#4573C8 #C85845 #B5C845

monochromatic

#213D71 #2F57A0 #4573C8 #7497D6 #A3BAE4

Accessibility & contrast

On white

4.63

#4573C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#4573C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4573C8

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4573C8	#FFFFFF	#000000	##FFFFFF
##4573C8	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7BCB

Deuteranopia (green-blind)

#376FC6

Tritanopia (blue-blind)

#008694

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4573c8;
/* rgb */ color: rgb(69, 115, 200);
/* oklch */ color: oklch(56.5% 0.141 261.6);

Tailwind

colors: {
  custom: {
    50: '#869ad9',
    500: '#4573c8',
    950: '#000000',
  },
}

SCSS

$custom: #4573c8;
$custom-light: #869ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#4573c8",
  "rgb": {
    "r": 69,
    "g": 115,
    "b": 200
  },
  "hsl": {
    "h": 218.931,
    "s": 54.357,
    "l": 52.745
  },
  "oklch": {
    "l": 0.56514,
    "c": 0.14117,
    "h": 261.6
  },
  "luminance": 0.17697
}

Semantic roles & 50–950 ramp

primary

#4573C8

secondary

#D1BD98

accent

#AA4ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4573C8

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

Preview Lab → · Contrast checker → · Palette generator →