#559BC5#559BC5

#559BC5 is a light, moderate cyan. Relative luminance 0.294; OKLCH L 66.1% C 0.094 H 236.9°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX#559BC5
RGBrgb(85, 155, 197)
HSLhsl(203, 49%, 55%)
HSVhsv(203, 57%, 77%)
CMYKcmyk(56.9%, 21.3%, 0%, 22.7%)
CIE-LABlab(61.14, -9.82, -28.33)
CIE-LCHlch(61.14, 29.98, 250.88°)
OKLaboklab(66.07% -0.0516 -0.0791)
OKLCHoklch(66.07% 0.094 236.9)
XYZxyz(25.5419, 29.4029, 57.1418)
Luminance0.2940 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559BC5 #C57F55
analogous
#55C5B7 #559BC5 #5563C5
triadic
#559BC5 #C5559B #9BC555
tetradic
#559BC5 #B755C5 #C57F55 #63C555
square
#559BC5 #B755C5 #C57F55 #63C555
split-complementary
#559BC5 #C55563 #C5B755
monochromatic
#295A77 #387CA5 #559BC5 #83B6D5 #B0D1E4

Accessibility & contrast

On white

3.05
#559BC5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.88
#559BC5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BC5
6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559BC5#FFFFFF#000000##000000
##559BC51.003.056.886.88
#FFFFFF3.051.0021.0021.00
#0000006.8821.001.001.00
##0000006.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#889AC7
Deuteranopia (green-blind)
#788EC4
Tritanopia (blue-blind)
#00A6A9
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #559bc5;
/* rgb */ color: rgb(85, 155, 197);
/* oklch */ color: oklch(66.1% 0.094 236.9);
Tailwind
colors: {
  custom: {
    50: '#8db8d6',
    500: '#559bc5',
    950: '#000000',
  },
}
SCSS
$custom: #559bc5;
$custom-light: #8db8d6;
$custom-dark: #000000;
JSON
{
  "hex": "#559bc5",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 197
  },
  "hsl": {
    "h": 202.5,
    "s": 49.123,
    "l": 55.294
  },
  "oklch": {
    "l": 0.66066,
    "c": 0.09447,
    "h": 236.9
  },
  "luminance": 0.29405
}

Semantic roles & 50–950 ramp

primary
#559BC5
secondary
#D2B5A3
accent
#834FD9
background
#F9FBFD
surface
#F1F6FA
border
#CBD0D3
text
#0D1114
muted
#7E8083

Preview Lab

Preview with #559BC5

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

Preview Lab → · Contrast checker → · Palette generator →

#559BC5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva