#559DDD#559DDD

#559DDD is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.7% C 0.120 H 247.4°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX#559DDD
RGBrgb(85, 157, 221)
HSLhsl(208, 67%, 60%)
HSVhsv(208, 62%, 87%)
CMYKcmyk(61.5%, 29%, 0%, 13.3%)
CIE-LABlab(62.73, -3.32, -39.23)
CIE-LCHlch(62.73, 39.37, 265.16°)
OKLaboklab(67.66% -0.046 -0.1106)
OKLCHoklch(67.66% 0.12 247.4)
XYZxyz(28.8496, 31.2629, 72.9066)
Luminance0.3127 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559DDD #DD9555
analogous
#55DDD9 #559DDD #5559DD
triadic
#559DDD #DD559D #9DDD55
tetradic
#559DDD #D955DD #DD9555 #59DD55
square
#559DDD #D955DD #DD9555 #59DD55
split-complementary
#559DDD #DD5559 #DDD955
monochromatic
#1F5F99 #297FCC #559DDD #88BAE7 #BBD8F1

Accessibility & contrast

On white

2.90
#559DDD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.25
#559DDD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DDD
7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559DDD#FFFFFF#000000##000000
##559DDD1.002.907.257.25
#FFFFFF2.901.0021.0021.00
#0000007.2521.001.001.00
##0000007.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#819FE0
Deuteranopia (green-blind)
#6F92DC
Tritanopia (blue-blind)
#00ACB3
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #559ddd;
/* rgb */ color: rgb(85, 157, 221);
/* oklch */ color: oklch(67.7% 0.120 247.4);
Tailwind
colors: {
  custom: {
    50: '#90b9e8',
    500: '#559ddd',
    950: '#000000',
  },
}
SCSS
$custom: #559ddd;
$custom-light: #90b9e8;
$custom-dark: #000000;
JSON
{
  "hex": "#559ddd",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 221
  },
  "hsl": {
    "h": 208.235,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.67661,
    "c": 0.11975,
    "h": 247.4
  },
  "luminance": 0.31266
}

Semantic roles & 50–950 ramp

primary
#559DDD
secondary
#E1C5AD
accent
#8F3EEA
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #559DDD

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

Preview Lab → · Contrast checker → · Palette generator →

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