#537CF2#537CF2

#537CF2 is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.8% C 0.183 H 266.6°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#537CF2
RGB	rgb(83, 124, 242)
HSL	hsl(225, 86%, 64%)
HSV	hsv(225, 66%, 95%)
CMYK	cmyk(65.7%, 48.8%, 0%, 5.1%)
CIE-LAB	lab(54.72, 23.01, -63.62)
CIE-LCH	lch(54.72, 67.65, 289.89°)
OKLab	oklab(61.79% -0.0107 -0.1824)
OKLCH	oklch(61.79% 0.183 266.6)
XYZ	xyz(26.7964, 22.6626, 86.9493)
Luminance	0.2266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CF2 #F2C953

analogous

#53CCF2 #537CF2 #7953F2

triadic

#537CF2 #F2537C #7CF253

tetradic

#537CF2 #F253CC #F2C953 #53F279

square

#537CF2 #F253CC #F2C953 #53F279

split-complementary

#537CF2 #F27953 #CCF253

monochromatic

#0E3BBC #1A51EE #537CF2 #8CA7F6 #C5D3FB

Accessibility & contrast

On white

3.80

#537CF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#537CF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CF2

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CF2	#FFFFFF	#000000	##000000
##537CF2	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B8BF6

Deuteranopia (green-blind)

#097CF0

Tritanopia (blue-blind)

#0098AB

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #537cf2;
/* rgb */ color: rgb(83, 124, 242);
/* oklch */ color: oklch(61.8% 0.183 266.6);

Tailwind

colors: {
  custom: {
    50: '#93a1f7',
    500: '#537cf2',
    950: '#000000',
  },
}

SCSS

$custom: #537cf2;
$custom-light: #93a1f7;
$custom-dark: #000000;

JSON

{
  "hex": "#537cf2",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 242
  },
  "hsl": {
    "h": 224.528,
    "s": 85.946,
    "l": 63.725
  },
  "oklch": {
    "l": 0.61793,
    "c": 0.1827,
    "h": 266.6
  },
  "luminance": 0.22665
}

Semantic roles & 50–950 ramp

primary

#537CF2

secondary

#ECDEB4

accent

#A903E2

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #537CF2

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

Preview Lab → · Contrast checker → · Palette generator →