#537EF4#537EF4

#537EF4 is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.3% C 0.183 H 266.2°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#537EF4
RGB	rgb(83, 126, 244)
HSL	hsl(224, 88%, 64%)
HSV	hsv(224, 66%, 96%)
CMYK	cmyk(66%, 48.4%, 0%, 4.3%)
CIE-LAB	lab(55.37, 22.48, -63.68)
CIE-LCH	lch(55.37, 67.54, 289.44°)
OKLab	oklab(62.33% -0.0123 -0.1826)
OKLCH	oklch(62.33% 0.183 266.2)
XYZ	xyz(27.3516, 23.2897, 88.6243)
Luminance	0.2329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EF4 #F4C953

analogous

#53CFF4 #537EF4 #7953F4

triadic

#537EF4 #F4537E #7EF453

tetradic

#537EF4 #F453CF #F4C953 #53F479

square

#537EF4 #F453CF #F4C953 #53F479

split-complementary

#537EF4 #F47953 #CFF453

monochromatic

#0C3CC0 #1953F0 #537EF4 #8DA9F8 #C6D4FB

Accessibility & contrast

On white

3.71

#537EF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#537EF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EF4

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EF4	#FFFFFF	#000000	##000000
##537EF4	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E8CF8

Deuteranopia (green-blind)

#107EF2

Tritanopia (blue-blind)

#009AAD

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #537ef4;
/* rgb */ color: rgb(83, 126, 244);
/* oklch */ color: oklch(62.3% 0.183 266.2);

Tailwind

colors: {
  custom: {
    50: '#93a2f8',
    500: '#537ef4',
    950: '#000000',
  },
}

SCSS

$custom: #537ef4;
$custom-light: #93a2f8;
$custom-dark: #000000;

JSON

{
  "hex": "#537ef4",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 244
  },
  "hsl": {
    "h": 223.975,
    "s": 87.978,
    "l": 64.118
  },
  "oklch": {
    "l": 0.62325,
    "c": 0.18297,
    "h": 266.2
  },
  "luminance": 0.23292
}

Semantic roles & 50–950 ramp

primary

#537EF4

secondary

#EDDEB5

accent

#A801E5

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #537EF4

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

Preview Lab → · Contrast checker → · Palette generator →