#537BF2#537BF2

#537BF2 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.6% C 0.184 H 266.9°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#537BF2
RGB	rgb(83, 123, 242)
HSL	hsl(225, 86%, 64%)
HSV	hsv(225, 66%, 95%)
CMYK	cmyk(65.7%, 49.2%, 0%, 5.1%)
CIE-LAB	lab(54.46, 23.63, -64.03)
CIE-LCH	lch(54.46, 68.25, 290.25°)
OKLab	oklab(61.6% -0.0098 -0.1836)
OKLCH	oklch(61.6% 0.184 266.9)
XYZ	xyz(26.6717, 22.4132, 86.9078)
Luminance	0.2242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BF2 #F2CA53

analogous

#53CAF2 #537BF2 #7A53F2

triadic

#537BF2 #F2537B #7BF253

tetradic

#537BF2 #F253CA #F2CA53 #53F27A

square

#537BF2 #F253CA #F2CA53 #53F27A

split-complementary

#537BF2 #F27A53 #CAF253

monochromatic

#0E3ABC #1A4FEE #537BF2 #8CA7F6 #C5D2FB

Accessibility & contrast

On white

3.83

#537BF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#537BF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BF2

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BF2	#FFFFFF	#000000	##000000
##537BF2	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#388AF6

Deuteranopia (green-blind)

#007BF0

Tritanopia (blue-blind)

#0097AB

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #537bf2;
/* rgb */ color: rgb(83, 123, 242);
/* oklch */ color: oklch(61.6% 0.184 266.9);

Tailwind

colors: {
  custom: {
    50: '#93a0f7',
    500: '#537bf2',
    950: '#000000',
  },
}

SCSS

$custom: #537bf2;
$custom-light: #93a0f7;
$custom-dark: #000000;

JSON

{
  "hex": "#537bf2",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 242
  },
  "hsl": {
    "h": 224.906,
    "s": 85.946,
    "l": 63.725
  },
  "oklch": {
    "l": 0.61595,
    "c": 0.18389,
    "h": 266.9
  },
  "luminance": 0.22416
}

Semantic roles & 50–950 ramp

primary

#537BF2

secondary

#ECDEB4

accent

#AA03E2

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #537BF2

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

Preview Lab → · Contrast checker → · Palette generator →