#559FDA#559FDA

#559FDA is a light, moderate cyan. Relative luminance 0.318; OKLCH L 68.0% C 0.115 H 244.7°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX#559FDA
RGBrgb(85, 159, 218)
HSLhsl(207, 64%, 59%)
HSVhsv(207, 61%, 85%)
CMYKcmyk(61%, 27.1%, 0%, 14.5%)
CIE-LABlab(63.17, -5.42, -36.88)
CIE-LCHlch(63.17, 37.28, 261.64°)
OKLaboklab(67.96% -0.049 -0.1038)
OKLCHoklch(67.96% 0.115 244.7)
XYZxyz(28.7946, 31.7868, 70.9341)
Luminance0.3179 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559FDA #DA9055
analogous
#55DAD3 #559FDA #555DDA
triadic
#559FDA #DA559F #9FDA55
tetradic
#559FDA #D355DA #DA9055 #5DDA55
square
#559FDA #D355DA #DA9055 #5DDA55
split-complementary
#559FDA #DA555D #DAD355
monochromatic
#206194 #2B82C7 #559FDA #87BBE5 #BAD8F0

Accessibility & contrast

On white

2.85
#559FDA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.36
#559FDA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FDA
7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559FDA#FFFFFF#000000##000000
##559FDA1.002.857.367.36
#FFFFFF2.851.0021.0021.00
#0000007.3621.001.001.00
##0000007.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#85A0DD
Deuteranopia (green-blind)
#7393D9
Tritanopia (blue-blind)
#00ADB3
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #559fda;
/* rgb */ color: rgb(85, 159, 218);
/* oklch */ color: oklch(68.0% 0.115 244.7);
Tailwind
colors: {
  custom: {
    50: '#90bbe5',
    500: '#559fda',
    950: '#000000',
  },
}
SCSS
$custom: #559fda;
$custom-light: #90bbe5;
$custom-dark: #000000;
JSON
{
  "hex": "#559fda",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 218
  },
  "hsl": {
    "h": 206.617,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.67963,
    "c": 0.11475,
    "h": 244.7
  },
  "luminance": 0.3179
}

Semantic roles & 50–950 ramp

primary
#559FDA
secondary
#DFC2AB
accent
#8B41E7
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #559FDA

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

Preview Lab → · Contrast checker → · Palette generator →

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