#559EE4#559EE4

#559EE4 is a light, vivid cyan. Relative luminance 0.320; OKLCH L 68.2% C 0.127 H 249.3°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX#559EE4
RGBrgb(85, 158, 228)
HSLhsl(209, 73%, 61%)
HSVhsv(209, 63%, 89%)
CMYKcmyk(62.7%, 30.7%, 0%, 10.6%)
CIE-LABlab(63.33, -1.61, -42.16)
CIE-LCHlch(63.33, 42.19, 267.81°)
OKLaboklab(68.24% -0.045 -0.1191)
OKLCHoklch(68.24% 0.127 249.3)
XYZxyz(29.9716, 31.9835, 77.9777)
Luminance0.3199 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559EE4 #E49B55
analogous
#55E4E3 #559EE4 #5557E4
triadic
#559EE4 #E4559E #9EE455
tetradic
#559EE4 #E355E4 #E49B55 #57E455
square
#559EE4 #E355E4 #E49B55 #57E455
split-complementary
#559EE4 #E45557 #E4E355
monochromatic
#1A61A4 #2380D9 #559EE4 #8ABCEC #BFDAF5

Accessibility & contrast

On white

2.84
#559EE4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.40
#559EE4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559EE4
7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559EE4#FFFFFF#000000##000000
##559EE41.002.847.407.40
#FFFFFF2.841.0021.0021.00
#0000007.4021.001.001.00
##0000007.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#80A1E7
Deuteranopia (green-blind)
#6C93E3
Tritanopia (blue-blind)
#00AEB7
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #559ee4;
/* rgb */ color: rgb(85, 158, 228);
/* oklch */ color: oklch(68.2% 0.127 249.3);
Tailwind
colors: {
  custom: {
    50: '#91baed',
    500: '#559ee4',
    950: '#000000',
  },
}
SCSS
$custom: #559ee4;
$custom-light: #91baed;
$custom-dark: #000000;
JSON
{
  "hex": "#559ee4",
  "rgb": {
    "r": 85,
    "g": 158,
    "b": 228
  },
  "hsl": {
    "h": 209.371,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.68238,
    "c": 0.12728,
    "h": 249.3
  },
  "luminance": 0.31986
}

Semantic roles & 50–950 ramp

primary
#559EE4
secondary
#E5CAB0
accent
#7111D5
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #559EE4

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

Preview Lab → · Contrast checker → · Palette generator →

#559EE4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva