#4573CA#4573CA

#4573CA is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.6% C 0.144 H 261.9°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4573CA
RGB	rgb(69, 115, 202)
HSL	hsl(219, 56%, 53%)
HSV	hsv(219, 66%, 79%)
CMYK	cmyk(65.8%, 43.1%, 0%, 20.8%)
CIE-LAB	lab(49.24, 12.39, -49.91)
CIE-LCH	lch(49.24, 51.42, 283.94°)
OKLab	oklab(56.64% -0.0203 -0.1425)
OKLCH	oklch(56.64% 0.144 261.9)
XYZ	xyz(19.2419, 17.7891, 58.2852)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4573CA #CA9C45

analogous

#45B6CA #4573CA #5945CA

triadic

#4573CA #CA4573 #73CA45

tetradic

#4573CA #CA45B6 #CA9C45 #45CA59

square

#4573CA #CA45B6 #CA9C45 #45CA59

split-complementary

#4573CA #CA5945 #B6CA45

monochromatic

#213E74 #2F57A3 #4573CA #7597D8 #A4BBE5

Accessibility & contrast

On white

4.61

#4573CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#4573CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4573CA

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4573CA	#FFFFFF	#000000	##FFFFFF
##4573CA	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7CCD

Deuteranopia (green-blind)

#346FC8

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4573ca;
/* rgb */ color: rgb(69, 115, 202);
/* oklch */ color: oklch(56.6% 0.144 261.9);

Tailwind

colors: {
  custom: {
    50: '#869ada',
    500: '#4573ca',
    950: '#000000',
  },
}

SCSS

$custom: #4573ca;
$custom-light: #869ada;
$custom-dark: #000000;

JSON

{
  "hex": "#4573ca",
  "rgb": {
    "r": 69,
    "g": 115,
    "b": 202
  },
  "hsl": {
    "h": 219.248,
    "s": 55.649,
    "l": 53.137
  },
  "oklch": {
    "l": 0.5664,
    "c": 0.14391,
    "h": 261.9
  },
  "luminance": 0.17791
}

Semantic roles & 50–950 ramp

primary

#4573CA

secondary

#D2BE99

accent

#AB49DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4573CA

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

Preview Lab → · Contrast checker → · Palette generator →