#537EF2#537EF2

#537EF2 is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.2% C 0.180 H 266.0°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#537EF2
RGB	rgb(83, 126, 242)
HSL	hsl(224, 86%, 64%)
HSV	hsv(224, 66%, 95%)
CMYK	cmyk(65.7%, 47.9%, 0%, 5.1%)
CIE-LAB	lab(55.25, 21.79, -62.77)
CIE-LCH	lch(55.25, 66.45, 289.14°)
OKLab	oklab(62.19% -0.0125 -0.1799)
OKLCH	oklch(62.19% 0.18 266)
XYZ	xyz(27.0496, 23.1689, 87.0337)
Luminance	0.2317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EF2 #F2C753

analogous

#53CDF2 #537EF2 #7753F2

triadic

#537EF2 #F2537E #7EF253

tetradic

#537EF2 #F253CD #F2C753 #53F277

square

#537EF2 #F253CD #F2C753 #53F277

split-complementary

#537EF2 #F27753 #CDF253

monochromatic

#0E3DBC #1A53EE #537EF2 #8CA9F6 #C5D3FB

Accessibility & contrast

On white

3.73

#537EF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#537EF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EF2

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EF2	#FFFFFF	#000000	##000000
##537EF2	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#408CF6

Deuteranopia (green-blind)

#187DF0

Tritanopia (blue-blind)

#0099AC

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #537ef2;
/* rgb */ color: rgb(83, 126, 242);
/* oklch */ color: oklch(62.2% 0.180 266.0);

Tailwind

colors: {
  custom: {
    50: '#93a2f7',
    500: '#537ef2',
    950: '#000000',
  },
}

SCSS

$custom: #537ef2;
$custom-light: #93a2f7;
$custom-dark: #000000;

JSON

{
  "hex": "#537ef2",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 242
  },
  "hsl": {
    "h": 223.774,
    "s": 85.946,
    "l": 63.725
  },
  "oklch": {
    "l": 0.62191,
    "c": 0.18031,
    "h": 266
  },
  "luminance": 0.23172
}

Semantic roles & 50–950 ramp

primary

#537EF2

secondary

#ECDDB4

accent

#A603E2

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #537EF2

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

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