#559DEF#559DEF

#559DEF is a light, vivid cyan. Relative luminance 0.323; OKLCH L 68.6% C 0.142 H 253.2°. Best body text is #000000 at 7.46:1 contrast (WCAG AA passes).

Color values

HEX#559DEF
RGBrgb(85, 157, 239)
HSLhsl(212, 83%, 64%)
HSVhsv(212, 64%, 94%)
CMYKcmyk(64.4%, 34.3%, 0%, 6.3%)
CIE-LABlab(63.57, 2.60, -47.84)
CIE-LCHlch(63.57, 47.91, 273.11°)
OKLaboklab(68.6% -0.041 -0.1356)
OKLCHoklch(68.6% 0.142 253.2)
XYZxyz(31.3776, 32.2741, 86.2205)
Luminance0.3228 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559DEF #EFA755
analogous
#55EAEF #559DEF #5A55EF
triadic
#559DEF #EF559D #9DEF55
tetradic
#559DEF #EF55EA #EFA755 #55EF5A
square
#559DEF #EF55EA #EFA755 #55EF5A
split-complementary
#559DEF #EF5A55 #EAEF55
monochromatic
#115FB8 #1D7DEA #559DEF #8DBDF4 #C5DDFA

Accessibility & contrast

On white

2.82
#559DEF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.46
#559DEF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DEF
7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559DEF#FFFFFF#000000##000000
##559DEF1.002.827.467.46
#FFFFFF2.821.0021.0021.00
#0000007.4621.001.001.00
##0000007.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#79A2F2
Deuteranopia (green-blind)
#6493ED
Tritanopia (blue-blind)
#00B0BB
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #559def;
/* rgb */ color: rgb(85, 157, 239);
/* oklch */ color: oklch(68.6% 0.142 253.2);
Tailwind
colors: {
  custom: {
    50: '#93b9f4',
    500: '#559def',
    950: '#000000',
  },
}
SCSS
$custom: #559def;
$custom-light: #93b9f4;
$custom-dark: #000000;
JSON
{
  "hex": "#559def",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 239
  },
  "hsl": {
    "h": 211.948,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.68596,
    "c": 0.1417,
    "h": 253.2
  },
  "luminance": 0.32277
}

Semantic roles & 50–950 ramp

primary
#559DEF
secondary
#EBD2B5
accent
#7A06DF
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1117
muted
#7E8085

Preview Lab

Preview with #559DEF

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

Preview Lab → · Contrast checker → · Palette generator →

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