#537DEA#537DEA

#537DEA is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.5% C 0.171 H 265.8°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#537DEA
RGB	rgb(83, 125, 234)
HSL	hsl(223, 78%, 62%)
HSV	hsv(223, 65%, 92%)
CMYK	cmyk(64.5%, 46.6%, 0%, 8.2%)
CIE-LAB	lab(54.50, 19.66, -59.53)
CIE-LCH	lch(54.50, 62.69, 288.28°)
OKLab	oklab(61.46% -0.0126 -0.1703)
OKLCH	oklch(61.46% 0.171 265.8)
XYZ	xyz(25.7470, 22.4443, 80.8013)
Luminance	0.2245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DEA #EAC053

analogous

#53C9EA #537DEA #7553EA

triadic

#537DEA #EA537D #7DEA53

tetradic

#537DEA #EA53C9 #EAC053 #53EA75

square

#537DEA #EA53C9 #EAC053 #53EA75

split-complementary

#537DEA #EA7553 #C9EA53

monochromatic

#1540AD #1C54E3 #537DEA #8AA6F1 #C0CFF7

Accessibility & contrast

On white

3.83

#537DEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#537DEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DEA

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DEA	#FFFFFF	#000000	##000000
##537DEA	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#468AEE

Deuteranopia (green-blind)

#277CE8

Tritanopia (blue-blind)

#0096A8

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #537dea;
/* rgb */ color: rgb(83, 125, 234);
/* oklch */ color: oklch(61.5% 0.171 265.8);

Tailwind

colors: {
  custom: {
    50: '#92a2f1',
    500: '#537dea',
    950: '#000000',
  },
}

SCSS

$custom: #537dea;
$custom-light: #92a2f1;
$custom-dark: #000000;

JSON

{
  "hex": "#537dea",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 234
  },
  "hsl": {
    "h": 223.311,
    "s": 78.238,
    "l": 62.157
  },
  "oklch": {
    "l": 0.61462,
    "c": 0.17082,
    "h": 265.8
  },
  "luminance": 0.22447
}

Semantic roles & 50–950 ramp

primary

#537DEA

secondary

#E8D9B1

accent

#A10BDB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #537DEA

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

Preview Lab → · Contrast checker → · Palette generator →