#559DE1#559DE1

#559DE1 is a light, vivid cyan. Relative luminance 0.315; OKLCH L 67.9% C 0.125 H 248.9°. Best body text is #000000 at 7.30:1 contrast (WCAG AA passes).

Color values

HEX#559DE1
RGBrgb(85, 157, 225)
HSLhsl(209, 70%, 61%)
HSVhsv(209, 62%, 88%)
CMYKcmyk(62.2%, 30.2%, 0%, 11.8%)
CIE-LABlab(62.91, -2.02, -41.16)
CIE-LCHlch(62.91, 41.21, 267.19°)
OKLaboklab(67.86% -0.0448 -0.1162)
OKLCHoklch(67.86% 0.125 248.9)
XYZxyz(29.3889, 31.4786, 75.7468)
Luminance0.3148 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559DE1 #E19955
analogous
#55E1DF #559DE1 #5557E1
triadic
#559DE1 #E1559D #9DE155
tetradic
#559DE1 #DF55E1 #E19955 #57E155
square
#559DE1 #DF55E1 #E19955 #57E155
split-complementary
#559DE1 #E15557 #E1DF55
monochromatic
#1C609F #257FD3 #559DE1 #89BBEA #BDD9F3

Accessibility & contrast

On white

2.88
#559DE1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.30
#559DE1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DE1
7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559DE1#FFFFFF#000000##000000
##559DE11.002.887.307.30
#FFFFFF2.881.0021.0021.00
#0000007.3021.001.001.00
##0000007.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#80A0E4
Deuteranopia (green-blind)
#6D92E0
Tritanopia (blue-blind)
#00ADB5
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #559de1;
/* rgb */ color: rgb(85, 157, 225);
/* oklch */ color: oklch(67.9% 0.125 248.9);
Tailwind
colors: {
  custom: {
    50: '#91b9ea',
    500: '#559de1',
    950: '#000000',
  },
}
SCSS
$custom: #559de1;
$custom-light: #91b9ea;
$custom-dark: #000000;
JSON
{
  "hex": "#559de1",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 225
  },
  "hsl": {
    "h": 209.143,
    "s": 70,
    "l": 60.784
  },
  "oklch": {
    "l": 0.67863,
    "c": 0.12452,
    "h": 248.9
  },
  "luminance": 0.31481
}

Semantic roles & 50–950 ramp

primary
#559DE1
secondary
#E3C8AE
accent
#7014D2
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #559DE1

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

Preview Lab → · Contrast checker → · Palette generator →

#559DE1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva