#559BCD#559BCD

#559BCD is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.4% C 0.103 H 241.6°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX#559BCD
RGBrgb(85, 155, 205)
HSLhsl(205, 55%, 57%)
HSVhsv(205, 59%, 80%)
CMYKcmyk(58.5%, 24.4%, 0%, 19.6%)
CIE-LABlab(61.46, -7.32, -32.30)
CIE-LCHlch(61.46, 33.12, 257.23°)
OKLaboklab(66.43% -0.0489 -0.0905)
OKLCHoklch(66.43% 0.103 241.6)
XYZxyz(26.4830, 29.7793, 62.0981)
Luminance0.2978 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559BCD #CD8755
analogous
#55CDC3 #559BCD #555FCD
triadic
#559BCD #CD559B #9BCD55
tetradic
#559BCD #C355CD #CD8755 #5FCD55
square
#559BCD #C355CD #CD8755 #5FCD55
split-complementary
#559BCD #CD555F #CDC355
monochromatic
#265B82 #347DB1 #559BCD #84B7DB #B4D3E9

Accessibility & contrast

On white

3.02
#559BCD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.96
#559BCD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BCD
6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559BCD#FFFFFF#000000##000000
##559BCD1.003.026.966.96
#FFFFFF3.021.0021.0021.00
#0000006.9621.001.001.00
##0000006.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#859BCF
Deuteranopia (green-blind)
#758FCC
Tritanopia (blue-blind)
#00A7AC
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #559bcd;
/* rgb */ color: rgb(85, 155, 205);
/* oklch */ color: oklch(66.4% 0.103 241.6);
Tailwind
colors: {
  custom: {
    50: '#8eb8dc',
    500: '#559bcd',
    950: '#000000',
  },
}
SCSS
$custom: #559bcd;
$custom-light: #8eb8dc;
$custom-dark: #000000;
JSON
{
  "hex": "#559bcd",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 205
  },
  "hsl": {
    "h": 205,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.66434,
    "c": 0.10289,
    "h": 241.6
  },
  "luminance": 0.29782
}

Semantic roles & 50–950 ramp

primary
#559BCD
secondary
#D7BBA6
accent
#884ADE
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #559BCD

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

Preview Lab → · Contrast checker → · Palette generator →

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