#537BE7#537BE7

#537BE7 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.9% C 0.169 H 266.2°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX#537BE7
RGBrgb(83, 123, 231)
HSLhsl(224, 76%, 62%)
HSVhsv(224, 64%, 91%)
CMYKcmyk(64.1%, 46.8%, 0%, 9.4%)
CIE-LABlab(53.78, 19.86, -58.99)
CIE-LCHlch(53.78, 62.25, 288.61°)
OKLaboklab(60.86% -0.0112 -0.1688)
OKLCHoklch(60.86% 0.169 266.2)
XYZxyz(25.0691, 21.7721, 78.4671)
Luminance0.2177 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#537BE7 #E7BF53
analogous
#53C5E7 #537BE7 #7553E7
triadic
#537BE7 #E7537B #7BE753
tetradic
#537BE7 #E753C5 #E7BF53 #53E775
square
#537BE7 #E753C5 #E7BF53 #53E775
split-complementary
#537BE7 #E77553 #C5E753
monochromatic
#173FA8 #1F53DE #537BE7 #89A4EE #BECDF6

Accessibility & contrast

On white

3.92
#537BE7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.35
#537BE7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BE7
5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##537BE7#FFFFFF#000000##000000
##537BE71.003.925.355.35
#FFFFFF3.921.0021.0021.00
#0000005.3521.001.001.00
##0000005.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#4488EB
Deuteranopia (green-blind)
#277AE5
Tritanopia (blue-blind)
#0094A6
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #537be7;
/* rgb */ color: rgb(83, 123, 231);
/* oklch */ color: oklch(60.9% 0.169 266.2);
Tailwind
colors: {
  custom: {
    50: '#91a0ef',
    500: '#537be7',
    950: '#000000',
  },
}
SCSS
$custom: #537be7;
$custom-light: #91a0ef;
$custom-dark: #000000;
JSON
{
  "hex": "#537be7",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 231
  },
  "hsl": {
    "h": 223.784,
    "s": 75.51,
    "l": 61.569
  },
  "oklch": {
    "l": 0.6086,
    "c": 0.16917,
    "h": 266.2
  },
  "luminance": 0.21774
}

Semantic roles & 50–950 ramp

primary
#537BE7
secondary
#E6D8AF
accent
#A10ED8
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E16
muted
#7E7E84

Preview Lab

Preview with #537BE7

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

Preview Lab → · Contrast checker → · Palette generator →

#537BE7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva