#537ADE#537ADE

#537ADE is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.1% C 0.158 H 265.8°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#537ADE
RGB	rgb(83, 122, 222)
HSL	hsl(223, 68%, 60%)
HSV	hsv(223, 63%, 87%)
CMYK	cmyk(62.6%, 45%, 0%, 12.9%)
CIE-LAB	lab(52.98, 17.40, -55.23)
CIE-LCH	lch(52.98, 57.91, 287.49°)
OKLab	oklab(60.07% -0.0115 -0.1577)
OKLCH	oklch(60.07% 0.158 265.8)
XYZ	xyz(23.7071, 21.0299, 71.9029)
Luminance	0.2103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537ADE #DEB753

analogous

#53C0DE #537ADE #7153DE

triadic

#537ADE #DE537A #7ADE53

tetradic

#537ADE #DE53C0 #DEB753 #53DE71

square

#537ADE #DE53C0 #DEB753 #53DE71

split-complementary

#537ADE #DE7153 #C0DE53

monochromatic

#1D4099 #2756CD #537ADE #86A2E8 #BAC9F2

Accessibility & contrast

On white

4.03

#537ADE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#537ADE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537ADE

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537ADE	#FFFFFF	#000000	##000000
##537ADE	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A85E2

Deuteranopia (green-blind)

#3379DC

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #537ade;
/* rgb */ color: rgb(83, 122, 222);
/* oklch */ color: oklch(60.1% 0.158 265.8);

Tailwind

colors: {
  custom: {
    50: '#90a0e9',
    500: '#537ade',
    950: '#000000',
  },
}

SCSS

$custom: #537ade;
$custom-light: #90a0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#537ade",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 222
  },
  "hsl": {
    "h": 223.165,
    "s": 67.805,
    "l": 59.804
  },
  "oklch": {
    "l": 0.60074,
    "c": 0.15817,
    "h": 265.8
  },
  "luminance": 0.21032
}

Semantic roles & 50–950 ramp

primary

#537ADE

secondary

#E1D2AC

accent

#BA3DEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537ADE

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

Preview Lab → · Contrast checker → · Palette generator →