#537BFC#537BFC

#537BFC is a light, vivid blue. Relative luminance 0.230; OKLCH L 62.3% C 0.197 H 267.4°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#537BFC
RGB	rgb(83, 123, 252)
HSL	hsl(226, 97%, 66%)
HSV	hsv(226, 67%, 99%)
CMYK	cmyk(67.1%, 51.2%, 0%, 1.2%)
CIE-LAB	lab(55.10, 27.06, -68.54)
CIE-LCH	lch(55.10, 73.69, 291.54°)
OKLab	oklab(62.29% -0.0088 -0.1969)
OKLCH	oklch(62.29% 0.197 267.4)
XYZ	xyz(28.2149, 23.0304, 95.0350)
Luminance	0.2303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BFC #FCD453

analogous

#53CFFC #537BFC #7F53FC

triadic

#537BFC #FC537B #7BFC53

tetradic

#537BFC #FC53CF #FCD453 #53FC7F

square

#537BFC #FC53CF #FCD453 #53FC7F

split-complementary

#537BFC #FC7F53 #CFFC53

monochromatic

#0434D1 #174DFB #537BFC #8FA9FD #CBD7FE

Accessibility & contrast

On white

3.75

#537BFC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#537BFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BFC

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BFC	#FFFFFF	#000000	##000000
##537BFC	1.00	3.75	5.61	5.61
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#298CFF

Deuteranopia (green-blind)

#007DF9

Tritanopia (blue-blind)

#009AB0

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #537bfc;
/* rgb */ color: rgb(83, 123, 252);
/* oklch */ color: oklch(62.3% 0.197 267.4);

Tailwind

colors: {
  custom: {
    50: '#95a0fe',
    500: '#537bfc',
    950: '#000000',
  },
}

SCSS

$custom: #537bfc;
$custom-light: #95a0fe;
$custom-dark: #000000;

JSON

{
  "hex": "#537bfc",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 252
  },
  "hsl": {
    "h": 225.799,
    "s": 96.571,
    "l": 65.686
  },
  "oklch": {
    "l": 0.62286,
    "c": 0.1971,
    "h": 267.4
  },
  "luminance": 0.23033
}

Semantic roles & 50–950 ramp

primary

#537BFC

secondary

#F2E4B9

accent

#AF00E6

background

#FAF9FF

surface

#F3F2FF

border

#CDCCD7

text

#0F0E18

muted

#7F7E86

Preview Lab

Preview with #537BFC

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

Preview Lab → · Contrast checker → · Palette generator →