#538FF0#538FF0

#538FF0 is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.6% C 0.158 H 259.6°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX#538FF0
RGBrgb(83, 143, 240)
HSLhsl(217, 84%, 63%)
HSVhsv(217, 65%, 94%)
CMYKcmyk(65.4%, 40.4%, 0%, 5.9%)
CIE-LABlab(59.68, 10.82, -54.56)
CIE-LCHlch(59.68, 55.63, 281.22°)
OKLaboklab(65.57% -0.0286 -0.1555)
OKLCHoklch(65.57% 0.158 259.6)
XYZxyz(29.1123, 27.7723, 86.2475)
Luminance0.2777 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#538FF0 #F0B453
analogous
#53DDF0 #538FF0 #6553F0
triadic
#538FF0 #F0538F #8FF053
tetradic
#538FF0 #F053DD #F0B453 #53F065
square
#538FF0 #F053DD #F0B453 #53F065
split-complementary
#538FF0 #F06553 #DDF053
monochromatic
#1050B9 #1B6AEB #538FF0 #8BB4F5 #C4D8FA

Accessibility & contrast

On white

3.20
#538FF0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.56
#538FF0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FF0
6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##538FF0#FFFFFF#000000##000000
##538FF01.003.206.566.56
#FFFFFF3.201.0021.0021.00
#0000006.5621.001.001.00
##0000006.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6398F4
Deuteranopia (green-blind)
#4B89EE
Tritanopia (blue-blind)
#00A5B4
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #538ff0;
/* rgb */ color: rgb(83, 143, 240);
/* oklch */ color: oklch(65.6% 0.158 259.6);
Tailwind
colors: {
  custom: {
    50: '#92aff5',
    500: '#538ff0',
    950: '#000000',
  },
}
SCSS
$custom: #538ff0;
$custom-light: #92aff5;
$custom-dark: #000000;
JSON
{
  "hex": "#538ff0",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 240
  },
  "hsl": {
    "h": 217.07,
    "s": 83.957,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65565,
    "c": 0.15813,
    "h": 259.6
  },
  "luminance": 0.27775
}

Semantic roles & 50–950 ramp

primary
#538FF0
secondary
#EBD6B3
accent
#8D05E0
background
#F9FAFF
surface
#F2F4FE
border
#CCCED6
text
#0E1017
muted
#7E7F85

Preview Lab

Preview with #538FF0

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

Preview Lab → · Contrast checker → · Palette generator →

#538FF0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva