#537EE2#537EE2

#537EE2 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.2% C 0.159 H 264.6°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#537EE2
RGB	rgb(83, 126, 226)
HSL	hsl(222, 71%, 61%)
HSV	hsv(222, 63%, 89%)
CMYK	cmyk(63.3%, 44.2%, 0%, 11.4%)
CIE-LAB	lab(54.29, 16.31, -55.38)
CIE-LCH	lch(54.29, 57.73, 286.41°)
OKLab	oklab(61.15% -0.0148 -0.1581)
OKLCH	oklch(61.15% 0.159 264.6)
XYZ	xyz(24.7508, 22.2494, 74.9270)
Luminance	0.2225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EE2 #E2B753

analogous

#53C5E2 #537EE2 #6F53E2

triadic

#537EE2 #E2537E #7EE253

tetradic

#537EE2 #E253C5 #E2B753 #53E26F

square

#537EE2 #E253C5 #E2B753 #53E26F

split-complementary

#537EE2 #E26F53 #C5E253

monochromatic

#1B43A0 #2459D4 #537EE2 #87A5EB #BCCDF4

Accessibility & contrast

On white

3.85

#537EE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#537EE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EE2

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EE2	#FFFFFF	#000000	##000000
##537EE2	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E89E6

Deuteranopia (green-blind)

#377CE0

Tritanopia (blue-blind)

#0095A5

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #537ee2;
/* rgb */ color: rgb(83, 126, 226);
/* oklch */ color: oklch(61.2% 0.159 264.6);

Tailwind

colors: {
  custom: {
    50: '#90a2ec',
    500: '#537ee2',
    950: '#000000',
  },
}

SCSS

$custom: #537ee2;
$custom-light: #90a2ec;
$custom-dark: #000000;

JSON

{
  "hex": "#537ee2",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 226
  },
  "hsl": {
    "h": 221.958,
    "s": 71.144,
    "l": 60.588
  },
  "oklch": {
    "l": 0.61153,
    "c": 0.15883,
    "h": 264.6
  },
  "luminance": 0.22252
}

Semantic roles & 50–950 ramp

primary

#537EE2

secondary

#E4D3AD

accent

#9912D3

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #537EE2

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

Preview Lab → · Contrast checker → · Palette generator →