#537FE8#537FE8

#537FE8 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.7% C 0.166 H 264.9°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX#537FE8
RGBrgb(83, 127, 232)
HSLhsl(222, 76%, 62%)
HSVhsv(222, 64%, 91%)
CMYKcmyk(64.2%, 45.3%, 0%, 9%)
CIE-LABlab(54.91, 17.75, -57.75)
CIE-LCHlch(54.91, 60.42, 287.09°)
OKLaboklab(61.74% -0.0148 -0.1651)
OKLCHoklch(61.74% 0.166 264.9)
XYZxyz(25.7171, 22.8415, 79.3819)
Luminance0.2284 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#537FE8 #E8BC53
analogous
#53C9E8 #537FE8 #7253E8
triadic
#537FE8 #E8537F #7FE853
tetradic
#537FE8 #E853C9 #E8BC53 #53E872
square
#537FE8 #E853C9 #E8BC53 #53E872
split-complementary
#537FE8 #E87253 #C9E853
monochromatic
#1742AA #1E57E0 #537FE8 #89A7EF #BFCFF6

Accessibility & contrast

On white

3.77
#537FE8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.57
#537FE8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FE8
5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##537FE8#FFFFFF#000000##000000
##537FE81.003.775.575.57
#FFFFFF3.771.0021.0021.00
#0000005.5721.001.001.00
##0000005.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#4B8BEC
Deuteranopia (green-blind)
#317DE6
Tritanopia (blue-blind)
#0097A8
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #537fe8;
/* rgb */ color: rgb(83, 127, 232);
/* oklch */ color: oklch(61.7% 0.166 264.9);
Tailwind
colors: {
  custom: {
    50: '#91a3f0',
    500: '#537fe8',
    950: '#000000',
  },
}
SCSS
$custom: #537fe8;
$custom-light: #91a3f0;
$custom-dark: #000000;
JSON
{
  "hex": "#537fe8",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 232
  },
  "hsl": {
    "h": 222.282,
    "s": 76.41,
    "l": 61.765
  },
  "oklch": {
    "l": 0.6174,
    "c": 0.16575,
    "h": 264.9
  },
  "luminance": 0.22844
}

Semantic roles & 50–950 ramp

primary
#537FE8
secondary
#E7D7B0
accent
#9C0DD9
background
#F9FAFE
surface
#F2F3FD
border
#CCCDD5
text
#0E0F17
muted
#7E7F85

Preview Lab

Preview with #537FE8

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

Preview Lab → · Contrast checker → · Palette generator →

#537FE8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva