#4573FC#4573FC

#4573FC is a mid, highly saturated blue. Relative luminance 0.206; OKLCH L 60.1% C 0.210 H 266.1°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#4573FC
RGB	rgb(69, 115, 252)
HSL	hsl(225, 97%, 63%)
HSV	hsv(225, 73%, 99%)
CMYK	cmyk(72.6%, 54.4%, 0%, 1.2%)
CIE-LAB	lab(52.46, 30.13, -72.86)
CIE-LCH	lch(52.46, 78.84, 292.47°)
OKLab	oklab(60.12% -0.0143 -0.21)
OKLCH	oklch(60.12% 0.21 266.1)
XYZ	xyz(26.1495, 20.5521, 94.6654)
Luminance	0.2056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4573FC #FCCE45

analogous

#45CEFC #4573FC #7245FC

triadic

#4573FC #FC4573 #73FC45

tetradic

#4573FC #FC45CE #FCCE45 #45FC72

square

#4573FC #FC45CE #FCCE45 #45FC72

split-complementary

#4573FC #FC7245 #CEFC45

monochromatic

#0333C3 #0946FB #4573FC #81A0FD #BDCEFE

Accessibility & contrast

On white

4.11

#4573FC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#4573FC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4573FC

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4573FC	#FFFFFF	#000000	##000000
##4573FC	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0086FF

Deuteranopia (green-blind)

#0075F9

Tritanopia (blue-blind)

#0095AC

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4573fc;
/* rgb */ color: rgb(69, 115, 252);
/* oklch */ color: oklch(60.1% 0.210 266.1);

Tailwind

colors: {
  custom: {
    50: '#909afe',
    500: '#4573fc',
    950: '#000000',
  },
}

SCSS

$custom: #4573fc;
$custom-light: #909afe;
$custom-dark: #000000;

JSON

{
  "hex": "#4573fc",
  "rgb": {
    "r": 69,
    "g": 115,
    "b": 252
  },
  "hsl": {
    "h": 224.918,
    "s": 96.825,
    "l": 62.941
  },
  "oklch": {
    "l": 0.60118,
    "c": 0.21047,
    "h": 266.1
  },
  "luminance": 0.20555
}

Semantic roles & 50–950 ramp

primary

#4573FC

secondary

#EFDFAD

accent

#AC00E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E18

muted

#7E7E86

Preview Lab

Preview with #4573FC

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

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