#537AE4#537AE4

#537AE4 is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.5% C 0.166 H 266.3°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#537AE4
RGB	rgb(83, 122, 228)
HSL	hsl(224, 73%, 61%)
HSV	hsv(224, 64%, 89%)
CMYK	cmyk(63.6%, 46.5%, 0%, 10.6%)
CIE-LAB	lab(53.34, 19.45, -58.03)
CIE-LCH	lch(53.34, 61.20, 288.53°)
OKLab	oklab(60.46% -0.0107 -0.166)
OKLCH	oklch(60.46% 0.166 266.3)
XYZ	xyz(24.5256, 21.3573, 76.2136)
Luminance	0.2136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537AE4 #E4BD53

analogous

#53C2E4 #537AE4 #7453E4

triadic

#537AE4 #E4537A #7AE453

tetradic

#537AE4 #E453C2 #E4BD53 #53E474

square

#537AE4 #E453C2 #E4BD53 #53E474

split-complementary

#537AE4 #E47453 #C2E453

monochromatic

#1A3FA3 #2253D8 #537AE4 #88A3EC #BDCCF5

Accessibility & contrast

On white

3.98

#537AE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#537AE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537AE4

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537AE4	#FFFFFF	#000000	##000000
##537AE4	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4586E8

Deuteranopia (green-blind)

#2979E2

Tritanopia (blue-blind)

#0092A4

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #537ae4;
/* rgb */ color: rgb(83, 122, 228);
/* oklch */ color: oklch(60.5% 0.166 266.3);

Tailwind

colors: {
  custom: {
    50: '#919fed',
    500: '#537ae4',
    950: '#000000',
  },
}

SCSS

$custom: #537ae4;
$custom-light: #919fed;
$custom-dark: #000000;

JSON

{
  "hex": "#537ae4",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 228
  },
  "hsl": {
    "h": 223.862,
    "s": 72.864,
    "l": 60.98
  },
  "oklch": {
    "l": 0.60461,
    "c": 0.16632,
    "h": 266.3
  },
  "luminance": 0.2136
}

Semantic roles & 50–950 ramp

primary

#537AE4

secondary

#E5D6AE

accent

#A011D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537AE4

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

Preview Lab → · Contrast checker → · Palette generator →