#538FD9#538FD9

#538FD9 is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.3% C 0.128 H 254.6°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX#538FD9
RGBrgb(83, 143, 217)
HSLhsl(213, 64%, 59%)
HSVhsv(213, 62%, 85%)
CMYKcmyk(61.8%, 34.1%, 0%, 14.9%)
CIE-LABlab(58.50, 3.08, -43.65)
CIE-LCHlch(58.50, 43.76, 274.03°)
OKLaboklab(64.26% -0.034 -0.1236)
OKLCHoklch(64.26% 0.128 254.6)
XYZxyz(25.9096, 26.4913, 69.3801)
Luminance0.2649 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#538FD9 #D99D53
analogous
#53D2D9 #538FD9 #5A53D9
triadic
#538FD9 #D9538F #8FD953
tetradic
#538FD9 #D953D2 #D99D53 #53D95A
square
#538FD9 #D953D2 #D99D53 #53D95A
split-complementary
#538FD9 #D95A53 #D2D953
monochromatic
#205391 #2B6FC4 #538FD9 #85B0E4 #B7D0EF

Accessibility & contrast

On white

3.33
#538FD9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.30
#538FD9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FD9
6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##538FD9#FFFFFF#000000##000000
##538FD91.003.336.306.30
#FFFFFF3.331.0021.0021.00
#0000006.3021.001.001.00
##0000006.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F94DC
Deuteranopia (green-blind)
#5D87D7
Tritanopia (blue-blind)
#00A0AA
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #538fd9;
/* rgb */ color: rgb(83, 143, 217);
/* oklch */ color: oklch(64.3% 0.128 254.6);
Tailwind
colors: {
  custom: {
    50: '#8fafe5',
    500: '#538fd9',
    950: '#000000',
  },
}
SCSS
$custom: #538fd9;
$custom-light: #8fafe5;
$custom-dark: #000000;
JSON
{
  "hex": "#538fd9",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 217
  },
  "hsl": {
    "h": 213.134,
    "s": 63.81,
    "l": 58.824
  },
  "oklch": {
    "l": 0.6426,
    "c": 0.12817,
    "h": 254.6
  },
  "luminance": 0.26494
}

Semantic roles & 50–950 ramp

primary
#538FD9
secondary
#DEC7AA
accent
#9D41E7
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #538FD9

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

Preview Lab → · Contrast checker → · Palette generator →

#538FD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva