#537BEA#537BEA

#537BEA is a mid, vivid blue. Relative luminance 0.219; OKLCH L 61.1% C 0.173 H 266.4°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#537BEA
RGB	rgb(83, 123, 234)
HSL	hsl(224, 78%, 62%)
HSV	hsv(224, 65%, 92%)
CMYK	cmyk(64.5%, 47.4%, 0%, 8.2%)
CIE-LAB	lab(53.97, 20.89, -60.38)
CIE-LCH	lch(53.97, 63.89, 289.08°)
OKLab	oklab(61.06% -0.0108 -0.1729)
OKLCH	oklch(61.06% 0.173 266.4)
XYZ	xyz(25.4964, 21.9431, 80.7177)
Luminance	0.2195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BEA #EAC253

analogous

#53C6EA #537BEA #7753EA

triadic

#537BEA #EA537B #7BEA53

tetradic

#537BEA #EA53C6 #EAC253 #53EA77

square

#537BEA #EA53C6 #EAC253 #53EA77

split-complementary

#537BEA #EA7753 #C6EA53

monochromatic

#153EAD #1C51E3 #537BEA #8AA5F1 #C0CFF7

Accessibility & contrast

On white

3.90

#537BEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#537BEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BEA

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BEA	#FFFFFF	#000000	##000000
##537BEA	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4188EE

Deuteranopia (green-blind)

#207BE8

Tritanopia (blue-blind)

#0095A7

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #537bea;
/* rgb */ color: rgb(83, 123, 234);
/* oklch */ color: oklch(61.1% 0.173 266.4);

Tailwind

colors: {
  custom: {
    50: '#92a0f1',
    500: '#537bea',
    950: '#000000',
  },
}

SCSS

$custom: #537bea;
$custom-light: #92a0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#537bea",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 234
  },
  "hsl": {
    "h": 224.106,
    "s": 78.238,
    "l": 62.157
  },
  "oklch": {
    "l": 0.61058,
    "c": 0.17321,
    "h": 266.4
  },
  "luminance": 0.21945
}

Semantic roles & 50–950 ramp

primary

#537BEA

secondary

#E8D9B1

accent

#A40BDB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #537BEA

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

Preview Lab → · Contrast checker → · Palette generator →