#559FEE#559FEE

#559FEE is a light, vivid cyan. Relative luminance 0.329; OKLCH L 69.0% C 0.139 H 251.8°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX#559FEE
RGBrgb(85, 159, 238)
HSLhsl(211, 82%, 63%)
HSVhsv(211, 64%, 93%)
CMYKcmyk(64.3%, 33.2%, 0%, 6.7%)
CIE-LABlab(64.08, 1.11, -46.49)
CIE-LCHlch(64.08, 46.51, 271.37°)
OKLaboklab(68.98% -0.0432 -0.1317)
OKLCHoklch(68.98% 0.139 251.8)
XYZxyz(31.5714, 32.8975, 85.5584)
Luminance0.3290 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559FEE #EEA455
analogous
#55ECEE #559FEE #5755EE
triadic
#559FEE #EE559F #9FEE55
tetradic
#559FEE #EE55EC #EEA455 #55EE57
square
#559FEE #EE55EC #EEA455 #55EE57
split-complementary
#559FEE #EE5755 #ECEE55
monochromatic
#1262B6 #1D80E8 #559FEE #8DBEF4 #C4DEF9

Accessibility & contrast

On white

2.77
#559FEE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.58
#559FEE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FEE
7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559FEE#FFFFFF#000000##000000
##559FEE1.002.777.587.58
#FFFFFF2.771.0021.0021.00
#0000007.5821.001.001.00
##0000007.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7DA3F1
Deuteranopia (green-blind)
#6795EC
Tritanopia (blue-blind)
#00B1BC
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #559fee;
/* rgb */ color: rgb(85, 159, 238);
/* oklch */ color: oklch(69.0% 0.139 251.8);
Tailwind
colors: {
  custom: {
    50: '#93bbf4',
    500: '#559fee',
    950: '#000000',
  },
}
SCSS
$custom: #559fee;
$custom-light: #93bbf4;
$custom-dark: #000000;
JSON
{
  "hex": "#559fee",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 238
  },
  "hsl": {
    "h": 210.98,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.68979,
    "c": 0.13859,
    "h": 251.8
  },
  "luminance": 0.32901
}

Semantic roles & 50–950 ramp

primary
#559FEE
secondary
#EBD0B4
accent
#7607DE
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1117
muted
#7E8085

Preview Lab

Preview with #559FEE

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

Preview Lab → · Contrast checker → · Palette generator →

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