#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
RGBrgb(83, 125, 234)
HSLhsl(223, 78%, 62%)
HSVhsv(223, 65%, 92%)
CMYKcmyk(64.5%, 46.6%, 0%, 8.2%)
CIE-LABlab(54.50, 19.66, -59.53)
CIE-LCHlch(54.50, 62.69, 288.28°)
OKLaboklab(61.46% -0.0126 -0.1703)
OKLCHoklch(61.46% 0.171 265.8)
XYZxyz(25.7470, 22.4443, 80.8013)
Luminance0.2245 (WCAG relative)
Temperaturecool
Familyblue

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
##537DEA1.003.835.495.49
#FFFFFF3.831.0021.0021.00
#0000005.4921.001.001.00
##0000005.4921.001.001.00

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 →

#537DEA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva