#537EE0#537EE0

#537EE0 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.0% C 0.156 H 264.4°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX#537EE0
RGBrgb(83, 126, 224)
HSLhsl(222, 69%, 60%)
HSVhsv(222, 63%, 88%)
CMYKcmyk(62.9%, 43.7%, 0%, 12.2%)
CIE-LABlab(54.18, 15.63, -54.44)
CIE-LCHlch(54.18, 56.64, 286.02°)
OKLaboklab(61.03% -0.0152 -0.1554)
OKLCHoklch(61.03% 0.156 264.4)
XYZxyz(24.4780, 22.1403, 73.4901)
Luminance0.2214 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#537EE0 #E0B553
analogous
#53C5E0 #537EE0 #6E53E0
triadic
#537EE0 #E0537E #7EE053
tetradic
#537EE0 #E053C5 #E0B553 #53E06E
square
#537EE0 #E053C5 #E0B553 #53E06E
split-complementary
#537EE0 #E06E53 #C5E053
monochromatic
#1C439C #265AD0 #537EE0 #87A5E9 #BBCCF3

Accessibility & contrast

On white

3.87
#537EE0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.43
#537EE0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EE0
5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##537EE0#FFFFFF#000000##000000
##537EE01.003.875.435.43
#FFFFFF3.871.0021.0021.00
#0000005.4321.001.001.00
##0000005.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#5088E4
Deuteranopia (green-blind)
#397CDE
Tritanopia (blue-blind)
#0094A4
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #537ee0;
/* rgb */ color: rgb(83, 126, 224);
/* oklch */ color: oklch(61.0% 0.156 264.4);
Tailwind
colors: {
  custom: {
    50: '#90a2ea',
    500: '#537ee0',
    950: '#000000',
  },
}
SCSS
$custom: #537ee0;
$custom-light: #90a2ea;
$custom-dark: #000000;
JSON
{
  "hex": "#537ee0",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 224
  },
  "hsl": {
    "h": 221.702,
    "s": 69.458,
    "l": 60.196
  },
  "oklch": {
    "l": 0.61027,
    "c": 0.15613,
    "h": 264.4
  },
  "luminance": 0.22143
}

Semantic roles & 50–950 ramp

primary
#537EE0
secondary
#E2D2AC
accent
#9814D1
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0F16
muted
#7E7E84

Preview Lab

Preview with #537EE0

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

Preview Lab → · Contrast checker → · Palette generator →

#537EE0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva