#559BCA#559BCA

#559BCA is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.3% C 0.100 H 240.0°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX#559BCA
RGBrgb(85, 155, 202)
HSLhsl(204, 52%, 56%)
HSVhsv(204, 58%, 79%)
CMYKcmyk(57.9%, 23.3%, 0%, 20.8%)
CIE-LABlab(61.34, -8.27, -30.82)
CIE-LCHlch(61.34, 31.91, 254.99°)
OKLaboklab(66.3% -0.0499 -0.0863)
OKLCHoklch(66.3% 0.1 240)
XYZxyz(26.1244, 29.6359, 60.2092)
Luminance0.2964 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559BCA #CA8455
analogous
#55CABF #559BCA #5561CA
triadic
#559BCA #CA559B #9BCA55
tetradic
#559BCA #BF55CA #CA8455 #61CA55
square
#559BCA #BF55CA #CA8455 #61CA55
split-complementary
#559BCA #CA5561 #CABF55
monochromatic
#275B7D #367DAC #559BCA #84B6D9 #B2D2E7

Accessibility & contrast

On white

3.03
#559BCA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.93
#559BCA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BCA
6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559BCA#FFFFFF#000000##000000
##559BCA1.003.036.936.93
#FFFFFF3.031.0021.0021.00
#0000006.9321.001.001.00
##0000006.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#869BCC
Deuteranopia (green-blind)
#768FC9
Tritanopia (blue-blind)
#00A7AB
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #559bca;
/* rgb */ color: rgb(85, 155, 202);
/* oklch */ color: oklch(66.3% 0.100 240.0);
Tailwind
colors: {
  custom: {
    50: '#8eb8da',
    500: '#559bca',
    950: '#000000',
  },
}
SCSS
$custom: #559bca;
$custom-light: #8eb8da;
$custom-dark: #000000;
JSON
{
  "hex": "#559bca",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 202
  },
  "hsl": {
    "h": 204.103,
    "s": 52.466,
    "l": 56.275
  },
  "oklch": {
    "l": 0.66295,
    "c": 0.09965,
    "h": 240
  },
  "luminance": 0.29638
}

Semantic roles & 50–950 ramp

primary
#559BCA
secondary
#D5B9A5
accent
#864CDC
background
#F9FBFD
surface
#F1F6FA
border
#CBD0D3
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #559BCA

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

Preview Lab → · Contrast checker → · Palette generator →

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