#539FE3#539FE3

#539FE3 is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.3% C 0.126 H 247.8°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX#539FE3
RGBrgb(83, 159, 227)
HSLhsl(208, 72%, 61%)
HSVhsv(208, 63%, 89%)
CMYKcmyk(63.4%, 30%, 0%, 11%)
CIE-LABlab(63.49, -2.86, -41.36)
CIE-LCHlch(63.49, 41.46, 266.05°)
OKLaboklab(68.33% -0.0477 -0.1168)
OKLCHoklch(68.33% 0.126 247.8)
XYZxyz(29.8254, 32.1784, 77.2974)
Luminance0.3218 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#539FE3 #E39753
analogous
#53E3DF #539FE3 #5357E3
triadic
#539FE3 #E3539F #9FE353
tetradic
#539FE3 #DF53E3 #E39753 #57E353
square
#539FE3 #DF53E3 #E39753 #57E353
split-complementary
#539FE3 #E35357 #E3DF53
monochromatic
#1A62A1 #2381D6 #539FE3 #88BCEC #BCDAF4

Accessibility & contrast

On white

2.82
#539FE3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.44
#539FE3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539FE3
7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##539FE3#FFFFFF#000000##000000
##539FE31.002.827.447.44
#FFFFFF2.821.0021.0021.00
#0000007.4421.001.001.00
##0000007.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#81A1E6
Deuteranopia (green-blind)
#6E93E2
Tritanopia (blue-blind)
#00AFB7
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #539fe3;
/* rgb */ color: rgb(83, 159, 227);
/* oklch */ color: oklch(68.3% 0.126 247.8);
Tailwind
colors: {
  custom: {
    50: '#90bbec',
    500: '#539fe3',
    950: '#000000',
  },
}
SCSS
$custom: #539fe3;
$custom-light: #90bbec;
$custom-dark: #000000;
JSON
{
  "hex": "#539fe3",
  "rgb": {
    "r": 83,
    "g": 159,
    "b": 227
  },
  "hsl": {
    "h": 208.333,
    "s": 72,
    "l": 60.784
  },
  "oklch": {
    "l": 0.68328,
    "c": 0.12614,
    "h": 247.8
  },
  "luminance": 0.32181
}

Semantic roles & 50–950 ramp

primary
#539FE3
secondary
#E4C7AE
accent
#6D11D4
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #539FE3

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

Preview Lab → · Contrast checker → · Palette generator →

#539FE3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva