#538DD9#538DD9

#538DD9 is a light, vivid cyan. Relative luminance 0.259; OKLCH L 63.8% C 0.130 H 255.8°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX#538DD9
RGBrgb(83, 141, 217)
HSLhsl(214, 64%, 59%)
HSVhsv(214, 62%, 85%)
CMYKcmyk(61.8%, 35%, 0%, 14.9%)
CIE-LABlab(57.94, 4.25, -44.54)
CIE-LCHlch(57.94, 44.74, 275.45°)
OKLaboklab(63.82% -0.0319 -0.1262)
OKLCHoklch(63.82% 0.13 255.8)
XYZxyz(25.6121, 25.8961, 69.2809)
Luminance0.2590 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#538DD9 #D99F53
analogous
#53D0D9 #538DD9 #5C53D9
triadic
#538DD9 #D9538D #8DD953
tetradic
#538DD9 #D953D0 #D99F53 #53D95C
square
#538DD9 #D953D0 #D99F53 #53D95C
split-complementary
#538DD9 #D95C53 #D0D953
monochromatic
#205191 #2B6DC4 #538DD9 #85AEE4 #B7CFEF

Accessibility & contrast

On white

3.40
#538DD9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.18
#538DD9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538DD9
6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##538DD9#FFFFFF#000000##000000
##538DD91.003.406.186.18
#FFFFFF3.401.0021.0021.00
#0000006.1821.001.001.00
##0000006.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C92DC
Deuteranopia (green-blind)
#5A85D7
Tritanopia (blue-blind)
#009EA9
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #538dd9;
/* rgb */ color: rgb(83, 141, 217);
/* oklch */ color: oklch(63.8% 0.130 255.8);
Tailwind
colors: {
  custom: {
    50: '#8faee5',
    500: '#538dd9',
    950: '#000000',
  },
}
SCSS
$custom: #538dd9;
$custom-light: #8faee5;
$custom-dark: #000000;
JSON
{
  "hex": "#538dd9",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 217
  },
  "hsl": {
    "h": 214.03,
    "s": 63.81,
    "l": 58.824
  },
  "oklch": {
    "l": 0.63821,
    "c": 0.13016,
    "h": 255.8
  },
  "luminance": 0.25899
}

Semantic roles & 50–950 ramp

primary
#538DD9
secondary
#DEC7AA
accent
#9F41E7
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #538DD9

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

Preview Lab → · Contrast checker → · Palette generator →

#538DD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva