#538CF4#538CF4

#538CF4 is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.2% C 0.167 H 261.4°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX#538CF4
RGBrgb(83, 140, 244)
HSLhsl(219, 88%, 64%)
HSVhsv(219, 66%, 96%)
CMYKcmyk(66%, 42.6%, 0%, 4.3%)
CIE-LABlab(59.09, 13.98, -57.72)
CIE-LCHlch(59.09, 59.39, 283.62°)
OKLaboklab(65.18% -0.025 -0.1648)
OKLCHoklch(65.18% 0.167 261.4)
XYZxyz(29.2687, 27.1239, 89.2634)
Luminance0.2713 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#538CF4 #F4BB53
analogous
#53DCF4 #538CF4 #6B53F4
triadic
#538CF4 #F4538C #8CF453
tetradic
#538CF4 #F453DC #F4BB53 #53F46B
square
#538CF4 #F453DC #F4BB53 #53F46B
split-complementary
#538CF4 #F46B53 #DCF453
monochromatic
#0C4CC0 #1966F0 #538CF4 #8DB2F8 #C6D9FB

Accessibility & contrast

On white

3.27
#538CF4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.43
#538CF4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538CF4
6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##538CF4#FFFFFF#000000##000000
##538CF41.003.276.436.43
#FFFFFF3.271.0021.0021.00
#0000006.4321.001.001.00
##0000006.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#5B96F8
Deuteranopia (green-blind)
#4087F2
Tritanopia (blue-blind)
#00A4B4
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #538cf4;
/* rgb */ color: rgb(83, 140, 244);
/* oklch */ color: oklch(65.2% 0.167 261.4);
Tailwind
colors: {
  custom: {
    50: '#93adf8',
    500: '#538cf4',
    950: '#000000',
  },
}
SCSS
$custom: #538cf4;
$custom-light: #93adf8;
$custom-dark: #000000;
JSON
{
  "hex": "#538cf4",
  "rgb": {
    "r": 83,
    "g": 140,
    "b": 244
  },
  "hsl": {
    "h": 218.758,
    "s": 87.978,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65177,
    "c": 0.16671,
    "h": 261.4
  },
  "luminance": 0.27127
}

Semantic roles & 50–950 ramp

primary
#538CF4
secondary
#EDDAB5
accent
#9401E5
background
#F9FAFF
surface
#F2F4FF
border
#CCCED7
text
#0E1017
muted
#7E7F85

Preview Lab

Preview with #538CF4

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

Preview Lab → · Contrast checker → · Palette generator →

#538CF4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva