#537CE9#537CE9

#537CE9 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.2% C 0.171 H 266.0°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX#537CE9
RGBrgb(83, 124, 233)
HSLhsl(224, 77%, 62%)
HSVhsv(224, 64%, 91%)
CMYKcmyk(64.4%, 46.8%, 0%, 8.6%)
CIE-LABlab(54.17, 19.93, -59.49)
CIE-LCHlch(54.17, 62.74, 288.52°)
OKLaboklab(61.19% -0.0118 -0.1703)
OKLCHoklch(61.19% 0.171 266)
XYZxyz(25.4778, 22.1351, 80.0048)
Luminance0.2214 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#537CE9 #E9C053
analogous
#53C7E9 #537CE9 #7553E9
triadic
#537CE9 #E9537C #7CE953
tetradic
#537CE9 #E953C7 #E9C053 #53E975
square
#537CE9 #E953C7 #E9C053 #53E975
split-complementary
#537CE9 #E97553 #C7E953
monochromatic
#163FAC #1D53E2 #537CE9 #89A5F0 #C0CFF7

Accessibility & contrast

On white

3.87
#537CE9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.43
#537CE9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CE9
5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##537CE9#FFFFFF#000000##000000
##537CE91.003.875.435.43
#FFFFFF3.871.0021.0021.00
#0000005.4321.001.001.00
##0000005.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#4489ED
Deuteranopia (green-blind)
#267BE7
Tritanopia (blue-blind)
#0095A7
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #537ce9;
/* rgb */ color: rgb(83, 124, 233);
/* oklch */ color: oklch(61.2% 0.171 266.0);
Tailwind
colors: {
  custom: {
    50: '#92a1f1',
    500: '#537ce9',
    950: '#000000',
  },
}
SCSS
$custom: #537ce9;
$custom-light: #92a1f1;
$custom-dark: #000000;
JSON
{
  "hex": "#537ce9",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 233
  },
  "hsl": {
    "h": 223.6,
    "s": 77.32,
    "l": 61.961
  },
  "oklch": {
    "l": 0.61194,
    "c": 0.17066,
    "h": 266
  },
  "luminance": 0.22137
}

Semantic roles & 50–950 ramp

primary
#537CE9
secondary
#E8D8B0
accent
#A10CDA
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E17
muted
#7E7E85

Preview Lab

Preview with #537CE9

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

Preview Lab → · Contrast checker → · Palette generator →

#537CE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva