#559EB6#559EB6

#559EB6 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.1% C 0.081 H 221.6°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX#559EB6
RGBrgb(85, 158, 182)
HSLhsl(195, 40%, 52%)
HSVhsv(195, 53%, 71%)
CMYKcmyk(53.3%, 13.2%, 0%, 28.6%)
CIE-LABlab(61.45, -15.99, -19.43)
CIE-LCHlch(61.45, 25.16, 230.54°)
OKLaboklab(66.13% -0.0605 -0.0538)
OKLCHoklch(66.13% 0.081 221.6)
XYZxyz(24.4134, 29.7603, 48.7047)
Luminance0.2976 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559EB6 #B66D55
analogous
#55B69D #559EB6 #556EB6
triadic
#559EB6 #B6559E #9EB655
tetradic
#559EB6 #9D55B6 #B66D55 #6EB655
square
#559EB6 #9D55B6 #B66D55 #6EB655
split-complementary
#559EB6 #B6556E #B69D55
monochromatic
#2B5765 #3E7C90 #559EB6 #80B6C8 #ABCFDB

Accessibility & contrast

On white

3.02
#559EB6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.95
#559EB6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559EB6
6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559EB6#FFFFFF#000000##000000
##559EB61.003.026.956.95
#FFFFFF3.021.0021.0021.00
#0000006.9521.001.001.00
##0000006.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#909BB7
Deuteranopia (green-blind)
#8190B6
Tritanopia (blue-blind)
#0DA6A6
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #559eb6;
/* rgb */ color: rgb(85, 158, 182);
/* oklch */ color: oklch(66.1% 0.081 221.6);
Tailwind
colors: {
  custom: {
    50: '#8cbacc',
    500: '#559eb6',
    950: '#000000',
  },
}
SCSS
$custom: #559eb6;
$custom-light: #8cbacc;
$custom-dark: #000000;
JSON
{
  "hex": "#559eb6",
  "rgb": {
    "r": 85,
    "g": 158,
    "b": 182
  },
  "hsl": {
    "h": 194.845,
    "s": 39.918,
    "l": 52.353
  },
  "oklch": {
    "l": 0.66126,
    "c": 0.08103,
    "h": 221.6
  },
  "luminance": 0.29762
}

Semantic roles & 50–950 ramp

primary
#559EB6
secondary
#C9A99E
accent
#7658D0
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0D1113
muted
#7D8082

Preview Lab

Preview with #559EB6

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

Preview Lab → · Contrast checker → · Palette generator →

#559EB6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva