#559DCF#559DCF

#559DCF is a light, moderate cyan. Relative luminance 0.305; OKLCH L 67.0% C 0.104 H 241.0°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX#559DCF
RGBrgb(85, 157, 207)
HSLhsl(205, 56%, 57%)
HSVhsv(205, 59%, 81%)
CMYKcmyk(58.9%, 24.2%, 0%, 18.8%)
CIE-LABlab(62.12, -7.81, -32.39)
CIE-LCHlch(62.12, 33.32, 256.45°)
OKLaboklab(66.98% -0.0504 -0.0908)
OKLCHoklch(66.98% 0.104 241)
XYZxyz(27.0616, 30.5477, 63.4896)
Luminance0.3055 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559DCF #CF8755
analogous
#55CFC4 #559DCF #5560CF
triadic
#559DCF #CF559D #9DCF55
tetradic
#559DCF #C455CF #CF8755 #60CF55
square
#559DCF #C455CF #CF8755 #60CF55
split-complementary
#559DCF #CF5560 #CFC455
monochromatic
#255D84 #337FB4 #559DCF #85B9DC #B4D4EA

Accessibility & contrast

On white

2.95
#559DCF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.11
#559DCF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DCF
7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559DCF#FFFFFF#000000##000000
##559DCF1.002.957.117.11
#FFFFFF2.951.0021.0021.00
#0000007.1121.001.001.00
##0000007.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#879DD1
Deuteranopia (green-blind)
#7691CE
Tritanopia (blue-blind)
#00A9AE
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #559dcf;
/* rgb */ color: rgb(85, 157, 207);
/* oklch */ color: oklch(67.0% 0.104 241.0);
Tailwind
colors: {
  custom: {
    50: '#8fb9de',
    500: '#559dcf',
    950: '#000000',
  },
}
SCSS
$custom: #559dcf;
$custom-light: #8fb9de;
$custom-dark: #000000;
JSON
{
  "hex": "#559dcf",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 207
  },
  "hsl": {
    "h": 204.59,
    "s": 55.963,
    "l": 57.255
  },
  "oklch": {
    "l": 0.66984,
    "c": 0.10385,
    "h": 241
  },
  "luminance": 0.3055
}

Semantic roles & 50–950 ramp

primary
#559DCF
secondary
#D9BBA7
accent
#8649DF
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #559DCF

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

Preview Lab → · Contrast checker → · Palette generator →

#559DCF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva