#537EF3#537EF3

#537EF3 is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.3% C 0.182 H 266.1°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#537EF3
RGB	rgb(83, 126, 243)
HSL	hsl(224, 87%, 64%)
HSV	hsv(224, 66%, 95%)
CMYK	cmyk(65.8%, 48.1%, 0%, 4.7%)
CIE-LAB	lab(55.31, 22.13, -63.23)
CIE-LCH	lch(55.31, 66.99, 289.29°)
OKLab	oklab(62.26% -0.0124 -0.1812)
OKLCH	oklch(62.26% 0.182 266.1)
XYZ	xyz(27.2002, 23.2292, 87.8269)
Luminance	0.2323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EF3 #F3C853

analogous

#53CEF3 #537EF3 #7853F3

triadic

#537EF3 #F3537E #7EF353

tetradic

#537EF3 #F353CE #F3C853 #53F378

square

#537EF3 #F353CE #F3C853 #53F378

split-complementary

#537EF3 #F37853 #CEF353

monochromatic

#0D3DBE #1A53EF #537EF3 #8CA9F7 #C5D4FB

Accessibility & contrast

On white

3.72

#537EF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#537EF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EF3

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EF3	#FFFFFF	#000000	##000000
##537EF3	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F8CF7

Deuteranopia (green-blind)

#147EF1

Tritanopia (blue-blind)

#0099AD

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #537ef3;
/* rgb */ color: rgb(83, 126, 243);
/* oklch */ color: oklch(62.3% 0.182 266.1);

Tailwind

colors: {
  custom: {
    50: '#93a2f8',
    500: '#537ef3',
    950: '#000000',
  },
}

SCSS

$custom: #537ef3;
$custom-light: #93a2f8;
$custom-dark: #000000;

JSON

{
  "hex": "#537ef3",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 243
  },
  "hsl": {
    "h": 223.875,
    "s": 86.957,
    "l": 63.922
  },
  "oklch": {
    "l": 0.62258,
    "c": 0.18164,
    "h": 266.1
  },
  "luminance": 0.23232
}

Semantic roles & 50–950 ramp

primary

#537EF3

secondary

#EDDEB5

accent

#A702E4

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #537EF3

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

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