#559EE5#559EE5

#559EE5 is a light, vivid cyan. Relative luminance 0.320; OKLCH L 68.3% C 0.129 H 249.6°. Best body text is #000000 at 7.41:1 contrast (WCAG AA passes).

Color values

HEX#559EE5
RGBrgb(85, 158, 229)
HSLhsl(210, 73%, 62%)
HSVhsv(210, 63%, 90%)
CMYKcmyk(62.9%, 31%, 0%, 10.2%)
CIE-LABlab(63.38, -1.28, -42.64)
CIE-LCHlch(63.38, 42.66, 268.28°)
OKLaboklab(68.29% -0.0447 -0.1205)
OKLCHoklch(68.29% 0.129 249.6)
XYZxyz(30.1108, 32.0392, 78.7109)
Luminance0.3204 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559EE5 #E59C55
analogous
#55E5E4 #559EE5 #5556E5
triadic
#559EE5 #E5559E #9EE555
tetradic
#559EE5 #E455E5 #E59C55 #56E555
square
#559EE5 #E455E5 #E59C55 #56E555
split-complementary
#559EE5 #E55556 #E5E455
monochromatic
#1961A6 #2280DB #559EE5 #8ABCED #BFDBF5

Accessibility & contrast

On white

2.83
#559EE5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.41
#559EE5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559EE5
7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559EE5#FFFFFF#000000##000000
##559EE51.002.837.417.41
#FFFFFF2.831.0021.0021.00
#0000007.4121.001.001.00
##0000007.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7FA1E8
Deuteranopia (green-blind)
#6C93E4
Tritanopia (blue-blind)
#00AFB7
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #559ee5;
/* rgb */ color: rgb(85, 158, 229);
/* oklch */ color: oklch(68.3% 0.129 249.6);
Tailwind
colors: {
  custom: {
    50: '#91baed',
    500: '#559ee5',
    950: '#000000',
  },
}
SCSS
$custom: #559ee5;
$custom-light: #91baed;
$custom-dark: #000000;
JSON
{
  "hex": "#559ee5",
  "rgb": {
    "r": 85,
    "g": 158,
    "b": 229
  },
  "hsl": {
    "h": 209.583,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.68289,
    "c": 0.1285,
    "h": 249.6
  },
  "luminance": 0.32042
}

Semantic roles & 50–950 ramp

primary
#559EE5
secondary
#E6CBB0
accent
#7110D6
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #559EE5

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

Preview Lab → · Contrast checker → · Palette generator →

#559EE5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva