#559DD1#559DD1

#559DD1 is a light, moderate cyan. Relative luminance 0.306; OKLCH L 67.1% C 0.106 H 242.0°. Best body text is #000000 at 7.13:1 contrast (WCAG AA passes).

Color values

HEX#559DD1
RGBrgb(85, 157, 209)
HSLhsl(205, 57%, 58%)
HSVhsv(205, 59%, 82%)
CMYKcmyk(59.3%, 24.9%, 0%, 18%)
CIE-LABlab(62.21, -7.17, -33.38)
CIE-LCHlch(62.21, 34.14, 257.87°)
OKLaboklab(67.08% -0.0497 -0.0936)
OKLCHoklch(67.08% 0.106 242)
XYZxyz(27.3076, 30.6461, 64.7854)
Luminance0.3065 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559DD1 #D18955
analogous
#55D1C7 #559DD1 #555FD1
triadic
#559DD1 #D1559D #9DD155
tetradic
#559DD1 #C755D1 #D18955 #5FD155
square
#559DD1 #C755D1 #D18955 #5FD155
split-complementary
#559DD1 #D1555F #D1C755
monochromatic
#255E87 #327FB7 #559DD1 #85B9DE #B5D5EB

Accessibility & contrast

On white

2.95
#559DD1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.13
#559DD1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DD1
7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559DD1#FFFFFF#000000##000000
##559DD11.002.957.137.13
#FFFFFF2.951.0021.0021.00
#0000007.1321.001.001.00
##0000007.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#869DD3
Deuteranopia (green-blind)
#7591D0
Tritanopia (blue-blind)
#00AAAF
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #559dd1;
/* rgb */ color: rgb(85, 157, 209);
/* oklch */ color: oklch(67.1% 0.106 242.0);
Tailwind
colors: {
  custom: {
    50: '#8fb9df',
    500: '#559dd1',
    950: '#000000',
  },
}
SCSS
$custom: #559dd1;
$custom-light: #8fb9df;
$custom-dark: #000000;
JSON
{
  "hex": "#559dd1",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 209
  },
  "hsl": {
    "h": 205.161,
    "s": 57.407,
    "l": 57.647
  },
  "oklch": {
    "l": 0.67078,
    "c": 0.10603,
    "h": 242
  },
  "luminance": 0.30649
}

Semantic roles & 50–950 ramp

primary
#559DD1
secondary
#DABDA8
accent
#8847E1
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #559DD1

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

Preview Lab → · Contrast checker → · Palette generator →

#559DD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva