#537EE9#537EE9

#537EE9 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.6% C 0.168 H 265.3°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX#537EE9
RGBrgb(83, 126, 233)
HSLhsl(223, 77%, 62%)
HSVhsv(223, 64%, 91%)
CMYKcmyk(64.4%, 45.9%, 0%, 8.6%)
CIE-LABlab(54.70, 18.71, -58.64)
CIE-LCHlch(54.70, 61.55, 287.69°)
OKLaboklab(61.6% -0.0137 -0.1677)
OKLCHoklch(61.6% 0.168 265.3)
XYZxyz(25.7310, 22.6415, 80.0892)
Luminance0.2264 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#537EE9 #E9BE53
analogous
#53C9E9 #537EE9 #7353E9
triadic
#537EE9 #E9537E #7EE953
tetradic
#537EE9 #E953C9 #E9BE53 #53E973
square
#537EE9 #E953C9 #E9BE53 #53E973
split-complementary
#537EE9 #E97353 #C9E953
monochromatic
#1641AC #1D55E2 #537EE9 #89A7F0 #C0CFF7

Accessibility & contrast

On white

3.80
#537EE9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.53
#537EE9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EE9
5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##537EE9#FFFFFF#000000##000000
##537EE91.003.805.535.53
#FFFFFF3.801.0021.0021.00
#0000005.5321.001.001.00
##0000005.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#498AED
Deuteranopia (green-blind)
#2C7CE7
Tritanopia (blue-blind)
#0097A8
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #537ee9;
/* rgb */ color: rgb(83, 126, 233);
/* oklch */ color: oklch(61.6% 0.168 265.3);
Tailwind
colors: {
  custom: {
    50: '#91a2f1',
    500: '#537ee9',
    950: '#000000',
  },
}
SCSS
$custom: #537ee9;
$custom-light: #91a2f1;
$custom-dark: #000000;
JSON
{
  "hex": "#537ee9",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 233
  },
  "hsl": {
    "h": 222.8,
    "s": 77.32,
    "l": 61.961
  },
  "oklch": {
    "l": 0.616,
    "c": 0.16828,
    "h": 265.3
  },
  "luminance": 0.22644
}

Semantic roles & 50–950 ramp

primary
#537EE9
secondary
#E8D8B0
accent
#9F0CDA
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0F17
muted
#7E7E85

Preview Lab

Preview with #537EE9

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

Preview Lab → · Contrast checker → · Palette generator →

#537EE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva