#539BBF#539BBF

#539BBF is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.7% C 0.090 H 232.1°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX#539BBF
RGBrgb(83, 155, 191)
HSLhsl(200, 46%, 54%)
HSVhsv(200, 57%, 75%)
CMYKcmyk(56.5%, 18.8%, 0%, 25.1%)
CIE-LABlab(60.82, -12.09, -25.46)
CIE-LCHlch(60.82, 28.18, 244.60°)
OKLaboklab(65.71% -0.0552 -0.071)
OKLCHoklch(65.71% 0.09 232.1)
XYZxyz(24.6890, 29.0410, 53.5845)
Luminance0.2904 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#539BBF #BF7753
analogous
#53BFAD #539BBF #5365BF
triadic
#539BBF #BF539B #9BBF53
tetradic
#539BBF #AD53BF #BF7753 #65BF53
square
#539BBF #AD53BF #BF7753 #65BF53
split-complementary
#539BBF #BF5365 #BFAD53
monochromatic
#29576E #3A7B9B #539BBF #80B5D0 #ACCFE0

Accessibility & contrast

On white

3.08
#539BBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.81
#539BBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539BBF
6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##539BBF#FFFFFF#000000##000000
##539BBF1.003.086.816.81
#FFFFFF3.081.0021.0021.00
#0000006.8121.001.001.00
##0000006.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8999C1
Deuteranopia (green-blind)
#7A8EBE
Tritanopia (blue-blind)
#00A5A7
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #539bbf;
/* rgb */ color: rgb(83, 155, 191);
/* oklch */ color: oklch(65.7% 0.090 232.1);
Tailwind
colors: {
  custom: {
    50: '#8cb8d2',
    500: '#539bbf',
    950: '#000000',
  },
}
SCSS
$custom: #539bbf;
$custom-light: #8cb8d2;
$custom-dark: #000000;
JSON
{
  "hex": "#539bbf",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 191
  },
  "hsl": {
    "h": 200,
    "s": 45.763,
    "l": 53.725
  },
  "oklch": {
    "l": 0.65714,
    "c": 0.08992,
    "h": 232.1
  },
  "luminance": 0.29043
}

Semantic roles & 50–950 ramp

primary
#539BBF
secondary
#CEAFA0
accent
#7E52D5
background
#F9FBFC
surface
#F1F6F9
border
#CBD0D2
text
#0D1114
muted
#7E8082

Preview Lab

Preview with #539BBF

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

Preview Lab → · Contrast checker → · Palette generator →

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