#4573EE#4573EE

#4573EE is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.1% C 0.192 H 265.4°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#4573EE
RGB	rgb(69, 115, 238)
HSL	hsl(224, 83%, 60%)
HSV	hsv(224, 71%, 93%)
CMYK	cmyk(71%, 51.7%, 0%, 6.7%)
CIE-LAB	lab(51.49, 25.16, -66.63)
CIE-LCH	lch(51.49, 71.22, 290.69°)
OKLab	oklab(59.09% -0.0154 -0.1917)
OKLCH	oklch(59.09% 0.192 265.4)
XYZ	xyz(24.0122, 19.6972, 83.4088)
Luminance	0.1970 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4573EE #EEC045

analogous

#45C7EE #4573EE #6C45EE

triadic

#4573EE #EE4573 #73EE45

tetradic

#4573EE #EE45C7 #EEC045 #45EE6C

square

#4573EE #EE45C7 #EEC045 #45EE6C

split-complementary

#4573EE #EE6C45 #C7EE45

monochromatic

#0F39A9 #154CE1 #4573EE #7D9DF3 #B5C7F8

Accessibility & contrast

On white

4.25

#4573EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#4573EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4573EE

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4573EE	#FFFFFF	#000000	##000000
##4573EE	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2083F2

Deuteranopia (green-blind)

#0073EC

Tritanopia (blue-blind)

#0091A5

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4573ee;
/* rgb */ color: rgb(69, 115, 238);
/* oklch */ color: oklch(59.1% 0.192 265.4);

Tailwind

colors: {
  custom: {
    50: '#8d9af4',
    500: '#4573ee',
    950: '#000000',
  },
}

SCSS

$custom: #4573ee;
$custom-light: #8d9af4;
$custom-dark: #000000;

JSON

{
  "hex": "#4573ee",
  "rgb": {
    "r": 69,
    "g": 115,
    "b": 238
  },
  "hsl": {
    "h": 223.669,
    "s": 83.251,
    "l": 60.196
  },
  "oklch": {
    "l": 0.59086,
    "c": 0.19227,
    "h": 265.4
  },
  "luminance": 0.197
}

Semantic roles & 50–950 ramp

primary

#4573EE

secondary

#E8D6A7

accent

#A406E0

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4573EE

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

Preview Lab → · Contrast checker → · Palette generator →