#537CEA#537CEA

#537CEA is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.3% C 0.172 H 266.1°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#537CEA
RGB	rgb(83, 124, 234)
HSL	hsl(224, 78%, 62%)
HSV	hsv(224, 65%, 92%)
CMYK	cmyk(64.5%, 47%, 0%, 8.2%)
CIE-LAB	lab(54.23, 20.27, -59.95)
CIE-LCH	lch(54.23, 63.29, 288.68°)
OKLab	oklab(61.26% -0.0117 -0.1716)
OKLCH	oklch(61.26% 0.172 266.1)
XYZ	xyz(25.6211, 22.1924, 80.7593)
Luminance	0.2220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CEA #EAC153

analogous

#53C7EA #537CEA #7653EA

triadic

#537CEA #EA537C #7CEA53

tetradic

#537CEA #EA53C7 #EAC153 #53EA76

square

#537CEA #EA53C7 #EAC153 #53EA76

split-complementary

#537CEA #EA7653 #C7EA53

monochromatic

#153FAD #1C52E3 #537CEA #8AA6F1 #C0CFF7

Accessibility & contrast

On white

3.86

#537CEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#537CEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CEA

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CEA	#FFFFFF	#000000	##000000
##537CEA	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4389EE

Deuteranopia (green-blind)

#247BE8

Tritanopia (blue-blind)

#0095A8

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #537cea;
/* rgb */ color: rgb(83, 124, 234);
/* oklch */ color: oklch(61.3% 0.172 266.1);

Tailwind

colors: {
  custom: {
    50: '#92a1f1',
    500: '#537cea',
    950: '#000000',
  },
}

SCSS

$custom: #537cea;
$custom-light: #92a1f1;
$custom-dark: #000000;

JSON

{
  "hex": "#537cea",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 234
  },
  "hsl": {
    "h": 223.709,
    "s": 78.238,
    "l": 62.157
  },
  "oklch": {
    "l": 0.61259,
    "c": 0.17201,
    "h": 266.1
  },
  "luminance": 0.22195
}

Semantic roles & 50–950 ramp

primary

#537CEA

secondary

#E8D9B1

accent

#A20BDB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #537CEA

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

Preview Lab → · Contrast checker → · Palette generator →