#538AE9#538AE9

#538AE9 is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.1% C 0.154 H 260.6°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX#538AE9
RGBrgb(83, 138, 233)
HSLhsl(218, 77%, 62%)
HSVhsv(218, 64%, 91%)
CMYKcmyk(64.4%, 40.8%, 0%, 8.6%)
CIE-LABlab(57.94, 11.43, -53.46)
CIE-LCHlch(57.94, 54.67, 282.07°)
OKLaboklab(64.09% -0.0252 -0.1524)
OKLCHoklch(64.09% 0.154 260.6)
XYZxyz(27.3585, 25.8965, 80.6317)
Luminance0.2590 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#538AE9 #E9B253
analogous
#53D5E9 #538AE9 #6753E9
triadic
#538AE9 #E9538A #8AE953
tetradic
#538AE9 #E953D5 #E9B253 #53E967
square
#538AE9 #E953D5 #E9B253 #53E967
split-complementary
#538AE9 #E96753 #D5E953
monochromatic
#164DAC #1D65E2 #538AE9 #89AFF0 #C0D4F7

Accessibility & contrast

On white

3.40
#538AE9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.18
#538AE9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538AE9
6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##538AE9#FFFFFF#000000##000000
##538AE91.003.406.186.18
#FFFFFF3.401.0021.0021.00
#0000006.1821.001.001.00
##0000006.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#5F93ED
Deuteranopia (green-blind)
#4885E7
Tritanopia (blue-blind)
#00A0AE
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #538ae9;
/* rgb */ color: rgb(83, 138, 233);
/* oklch */ color: oklch(64.1% 0.154 260.6);
Tailwind
colors: {
  custom: {
    50: '#91abf0',
    500: '#538ae9',
    950: '#000000',
  },
}
SCSS
$custom: #538ae9;
$custom-light: #91abf0;
$custom-dark: #000000;
JSON
{
  "hex": "#538ae9",
  "rgb": {
    "r": 83,
    "g": 138,
    "b": 233
  },
  "hsl": {
    "h": 218,
    "s": 77.32,
    "l": 61.961
  },
  "oklch": {
    "l": 0.64092,
    "c": 0.15443,
    "h": 260.6
  },
  "luminance": 0.25899
}

Semantic roles & 50–950 ramp

primary
#538AE9
secondary
#E8D3B0
accent
#8E0CDA
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1017
muted
#7E7F85

Preview Lab

Preview with #538AE9

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

Preview Lab → · Contrast checker → · Palette generator →

#538AE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva