#4573D0#4573D0

#4573D0 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.0% C 0.152 H 262.7°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4573D0
RGB	rgb(69, 115, 208)
HSL	hsl(220, 60%, 54%)
HSV	hsv(220, 67%, 82%)
CMYK	cmyk(66.8%, 44.7%, 0%, 18.4%)
CIE-LAB	lab(49.59, 14.50, -52.77)
CIE-LCH	lch(49.59, 54.73, 285.37°)
OKLab	oklab(57.03% -0.0192 -0.1509)
OKLCH	oklch(57.03% 0.152 262.7)
XYZ	xyz(19.9661, 18.0788, 62.0996)
Luminance	0.1808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4573D0 #D0A245

analogous

#45B9D0 #4573D0 #5D45D0

triadic

#4573D0 #D04573 #73D045

tetradic

#4573D0 #D045B9 #D0A245 #45D05D

square

#4573D0 #D045B9 #D0A245 #45D05D

split-complementary

#4573D0 #D05D45 #B9D045

monochromatic

#1F3E7B #2C56AC #4573D0 #7698DC #A7BDE9

Accessibility & contrast

On white

4.55

#4573D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#4573D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4573D0

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4573D0	#FFFFFF	#000000	##000000
##4573D0	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#457DD4

Deuteranopia (green-blind)

#2C70CE

Tritanopia (blue-blind)

#008897

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4573d0;
/* rgb */ color: rgb(69, 115, 208);
/* oklch */ color: oklch(57.0% 0.152 262.7);

Tailwind

colors: {
  custom: {
    50: '#879adf',
    500: '#4573d0',
    950: '#000000',
  },
}

SCSS

$custom: #4573d0;
$custom-light: #879adf;
$custom-dark: #000000;

JSON

{
  "hex": "#4573d0",
  "rgb": {
    "r": 69,
    "g": 115,
    "b": 208
  },
  "hsl": {
    "h": 220.144,
    "s": 59.657,
    "l": 54.314
  },
  "oklch": {
    "l": 0.57025,
    "c": 0.1521,
    "h": 262.7
  },
  "luminance": 0.18081
}

Semantic roles & 50–950 ramp

primary

#4573D0

secondary

#D6C29B

accent

#AF45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4573D0

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

Preview Lab → · Contrast checker → · Palette generator →