#537FE2#537FE2

#537FE2 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.4% C 0.158 H 264.2°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#537FE2
RGB	rgb(83, 127, 226)
HSL	hsl(222, 71%, 61%)
HSV	hsv(222, 63%, 89%)
CMYK	cmyk(63.3%, 43.8%, 0%, 11.4%)
CIE-LAB	lab(54.56, 15.70, -54.95)
CIE-LCH	lch(54.56, 57.15, 285.95°)
OKLab	oklab(61.36% -0.0158 -0.1569)
OKLCH	oklch(61.36% 0.158 264.2)
XYZ	xyz(24.8793, 22.5064, 74.9698)
Luminance	0.2251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FE2 #E2B653

analogous

#53C7E2 #537FE2 #6E53E2

triadic

#537FE2 #E2537F #7FE253

tetradic

#537FE2 #E253C7 #E2B653 #53E26E

square

#537FE2 #E253C7 #E2B653 #53E26E

split-complementary

#537FE2 #E26E53 #C7E253

monochromatic

#1B44A0 #245AD4 #537FE2 #87A6EB #BCCDF4

Accessibility & contrast

On white

3.82

#537FE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#537FE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FE2

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FE2	#FFFFFF	#000000	##000000
##537FE2	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#508AE6

Deuteranopia (green-blind)

#397CE0

Tritanopia (blue-blind)

#0096A5

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #537fe2;
/* rgb */ color: rgb(83, 127, 226);
/* oklch */ color: oklch(61.4% 0.158 264.2);

Tailwind

colors: {
  custom: {
    50: '#90a3ec',
    500: '#537fe2',
    950: '#000000',
  },
}

SCSS

$custom: #537fe2;
$custom-light: #90a3ec;
$custom-dark: #000000;

JSON

{
  "hex": "#537fe2",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 226
  },
  "hsl": {
    "h": 221.538,
    "s": 71.144,
    "l": 60.588
  },
  "oklch": {
    "l": 0.6136,
    "c": 0.15765,
    "h": 264.2
  },
  "luminance": 0.22509
}

Semantic roles & 50–950 ramp

primary

#537FE2

secondary

#E4D3AD

accent

#9812D3

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #537FE2

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

Preview Lab → · Contrast checker → · Palette generator →