#537AF2#537AF2

#537AF2 is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.4% C 0.185 H 267.2°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#537AF2
RGB	rgb(83, 122, 242)
HSL	hsl(225, 86%, 64%)
HSV	hsv(225, 66%, 95%)
CMYK	cmyk(65.7%, 49.6%, 0%, 5.1%)
CIE-LAB	lab(54.20, 24.24, -64.45)
CIE-LCH	lch(54.20, 68.86, 290.61°)
OKLab	oklab(61.4% -0.0089 -0.1849)
OKLCH	oklch(61.4% 0.185 267.2)
XYZ	xyz(26.5483, 22.1664, 86.8666)
Luminance	0.2217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537AF2 #F2CB53

analogous

#53C9F2 #537AF2 #7B53F2

triadic

#537AF2 #F2537A #7AF253

tetradic

#537AF2 #F253C9 #F2CB53 #53F27B

square

#537AF2 #F253C9 #F2CB53 #53F27B

split-complementary

#537AF2 #F27B53 #C9F253

monochromatic

#0E39BC #1A4EEE #537AF2 #8CA6F6 #C5D2FB

Accessibility & contrast

On white

3.86

#537AF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#537AF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537AF2

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537AF2	#FFFFFF	#000000	##000000
##537AF2	1.00	3.86	5.43	5.43
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3589F6

Deuteranopia (green-blind)

#007BF0

Tritanopia (blue-blind)

#0096AB

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #537af2;
/* rgb */ color: rgb(83, 122, 242);
/* oklch */ color: oklch(61.4% 0.185 267.2);

Tailwind

colors: {
  custom: {
    50: '#939ff7',
    500: '#537af2',
    950: '#000000',
  },
}

SCSS

$custom: #537af2;
$custom-light: #939ff7;
$custom-dark: #000000;

JSON

{
  "hex": "#537af2",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 242
  },
  "hsl": {
    "h": 225.283,
    "s": 85.946,
    "l": 63.725
  },
  "oklch": {
    "l": 0.61398,
    "c": 0.1851,
    "h": 267.2
  },
  "luminance": 0.22169
}

Semantic roles & 50–950 ramp

primary

#537AF2

secondary

#ECDFB4

accent

#AC03E2

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #537AF2

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

Preview Lab → · Contrast checker → · Palette generator →