#559DCD#559DCD

#559DCD is a light, moderate cyan. Relative luminance 0.305; OKLCH L 66.9% C 0.102 H 239.9°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).

Color values

HEX#559DCD
RGBrgb(85, 157, 205)
HSLhsl(204, 55%, 57%)
HSVhsv(204, 59%, 80%)
CMYKcmyk(58.5%, 23.4%, 0%, 19.6%)
CIE-LABlab(62.04, -8.44, -31.40)
CIE-LCHlch(62.04, 32.52, 254.96°)
OKLaboklab(66.89% -0.051 -0.088)
OKLCHoklch(66.89% 0.102 239.9)
XYZxyz(26.8186, 30.4505, 62.2100)
Luminance0.3045 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559DCD #CD8555
analogous
#55CDC1 #559DCD #5561CD
triadic
#559DCD #CD559D #9DCD55
tetradic
#559DCD #C155CD #CD8555 #61CD55
square
#559DCD #C155CD #CD8555 #61CD55
split-complementary
#559DCD #CD5561 #CDC155
monochromatic
#265D82 #347FB1 #559DCD #84B8DB #B4D4E9

Accessibility & contrast

On white

2.96
#559DCD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.09
#559DCD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DCD
7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559DCD#FFFFFF#000000##000000
##559DCD1.002.967.097.09
#FFFFFF2.961.0021.0021.00
#0000007.0921.001.001.00
##0000007.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#879DCF
Deuteranopia (green-blind)
#7791CC
Tritanopia (blue-blind)
#00A9AD
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #559dcd;
/* rgb */ color: rgb(85, 157, 205);
/* oklch */ color: oklch(66.9% 0.102 239.9);
Tailwind
colors: {
  custom: {
    50: '#8eb9dc',
    500: '#559dcd',
    950: '#000000',
  },
}
SCSS
$custom: #559dcd;
$custom-light: #8eb9dc;
$custom-dark: #000000;
JSON
{
  "hex": "#559dcd",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 205
  },
  "hsl": {
    "h": 204,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.66891,
    "c": 0.1017,
    "h": 239.9
  },
  "luminance": 0.30453
}

Semantic roles & 50–950 ramp

primary
#559DCD
secondary
#D7BAA6
accent
#854ADE
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #559DCD

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

Preview Lab → · Contrast checker → · Palette generator →

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