#537AFD#537AFD

#537AFD is a light, vivid blue. Relative luminance 0.229; OKLCH L 62.2% C 0.200 H 267.7°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#537AFD
RGB	rgb(83, 122, 253)
HSL	hsl(226, 98%, 66%)
HSV	hsv(226, 67%, 99%)
CMYK	cmyk(67.2%, 51.8%, 0%, 0.8%)
CIE-LAB	lab(54.91, 28.01, -69.40)
CIE-LCH	lch(54.91, 74.84, 291.98°)
OKLab	oklab(62.16% -0.0079 -0.1994)
OKLCH	oklch(62.16% 0.2 267.7)
XYZ	xyz(28.2503, 22.8472, 95.8306)
Luminance	0.2285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537AFD #FDD653

analogous

#53CFFD #537AFD #8153FD

triadic

#537AFD #FD537A #7AFD53

tetradic

#537AFD #FD53CF #FDD653 #53FD81

square

#537AFD #FD53CF #FDD653 #53FD81

split-complementary

#537AFD #FD8153 #CFFD53

monochromatic

#0232D3 #174BFC #537AFD #8FA9FE #CCD8FE

Accessibility & contrast

On white

3.77

#537AFD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#537AFD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537AFD

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537AFD	#FFFFFF	#000000	##000000
##537AFD	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#238CFF

Deuteranopia (green-blind)

#007CFA

Tritanopia (blue-blind)

#0099B0

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #537afd;
/* rgb */ color: rgb(83, 122, 253);
/* oklch */ color: oklch(62.2% 0.200 267.7);

Tailwind

colors: {
  custom: {
    50: '#959fff',
    500: '#537afd',
    950: '#000000',
  },
}

SCSS

$custom: #537afd;
$custom-light: #959fff;
$custom-dark: #000000;

JSON

{
  "hex": "#537afd",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 253
  },
  "hsl": {
    "h": 226.235,
    "s": 97.701,
    "l": 65.882
  },
  "oklch": {
    "l": 0.62164,
    "c": 0.19959,
    "h": 267.7
  },
  "luminance": 0.2285
}

Semantic roles & 50–950 ramp

primary

#537AFD

secondary

#F2E5BA

accent

#B100E6

background

#FAF9FF

surface

#F3F2FF

border

#CDCCD7

text

#0F0E18

muted

#7F7E86

Preview Lab

Preview with #537AFD

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

Preview Lab → · Contrast checker → · Palette generator →