#537EF5#537EF5

#537EF5 is a light, vivid blue. Relative luminance 0.234; OKLCH L 62.4% C 0.184 H 266.2°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#537EF5
RGB	rgb(83, 126, 245)
HSL	hsl(224, 89%, 64%)
HSV	hsv(224, 66%, 96%)
CMYK	cmyk(66.1%, 48.6%, 0%, 3.9%)
CIE-LAB	lab(55.43, 22.82, -64.14)
CIE-LCH	lch(55.43, 68.08, 289.59°)
OKLab	oklab(62.39% -0.0121 -0.1839)
OKLCH	oklch(62.39% 0.184 266.2)
XYZ	xyz(27.5038, 23.3506, 89.4262)
Luminance	0.2335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EF5 #F5CA53

analogous

#53CFF5 #537EF5 #7953F5

triadic

#537EF5 #F5537E #7EF553

tetradic

#537EF5 #F553CF #F5CA53 #53F579

square

#537EF5 #F553CF #F5CA53 #53F579

split-complementary

#537EF5 #F57953 #CFF553

monochromatic

#0B3CC2 #1953F2 #537EF5 #8DA9F8 #C7D5FC

Accessibility & contrast

On white

3.70

#537EF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#537EF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EF5

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EF5	#FFFFFF	#000000	##000000
##537EF5	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C8DF9

Deuteranopia (green-blind)

#0A7EF3

Tritanopia (blue-blind)

#009AAE

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #537ef5;
/* rgb */ color: rgb(83, 126, 245);
/* oklch */ color: oklch(62.4% 0.184 266.2);

Tailwind

colors: {
  custom: {
    50: '#94a2f9',
    500: '#537ef5',
    950: '#000000',
  },
}

SCSS

$custom: #537ef5;
$custom-light: #94a2f9;
$custom-dark: #000000;

JSON

{
  "hex": "#537ef5",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 245
  },
  "hsl": {
    "h": 224.074,
    "s": 89.011,
    "l": 64.314
  },
  "oklch": {
    "l": 0.62392,
    "c": 0.1843,
    "h": 266.2
  },
  "luminance": 0.23353
}

Semantic roles & 50–950 ramp

primary

#537EF5

secondary

#EEDFB6

accent

#A900E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #537EF5

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

Preview Lab → · Contrast checker → · Palette generator →