#559BF8#559BF8

#559BF8 is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.7% C 0.155 H 256.2°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX#559BF8
RGBrgb(85, 155, 248)
HSLhsl(214, 92%, 65%)
HSVhsv(214, 66%, 97%)
CMYKcmyk(65.7%, 37.5%, 0%, 2.7%)
CIE-LABlab(63.47, 6.77, -52.95)
CIE-LCHlch(63.47, 53.38, 277.29°)
OKLaboklab(68.66% -0.0369 -0.1506)
OKLCHoklch(68.66% 0.155 256.2)
XYZxyz(32.4048, 32.1480, 93.2862)
Luminance0.3215 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559BF8 #F8B255
analogous
#55ECF8 #559BF8 #6055F8
triadic
#559BF8 #F8559B #9BF855
tetradic
#559BF8 #F855EC #F8B255 #55F860
square
#559BF8 #F855EC #F8B255 #55F860
split-complementary
#559BF8 #F86055 #ECF855
monochromatic
#085CCA #1A78F6 #559BF8 #90BEFA #CBE0FD

Accessibility & contrast

On white

2.83
#559BF8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.43
#559BF8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559BF8
7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559BF8#FFFFFF#000000##000000
##559BF81.002.837.437.43
#FFFFFF2.831.0021.0021.00
#0000007.4321.001.001.00
##0000007.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#71A2FC
Deuteranopia (green-blind)
#5A93F6
Tritanopia (blue-blind)
#00B0BE
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #559bf8;
/* rgb */ color: rgb(85, 155, 248);
/* oklch */ color: oklch(68.7% 0.155 256.2);
Tailwind
colors: {
  custom: {
    50: '#94b8fb',
    500: '#559bf8',
    950: '#000000',
  },
}
SCSS
$custom: #559bf8;
$custom-light: #94b8fb;
$custom-dark: #000000;
JSON
{
  "hex": "#559bf8",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 248
  },
  "hsl": {
    "h": 214.233,
    "s": 92.09,
    "l": 65.294
  },
  "oklch": {
    "l": 0.68661,
    "c": 0.15503,
    "h": 256.2
  },
  "luminance": 0.32151
}

Semantic roles & 50–950 ramp

primary
#559BF8
secondary
#F0D8B9
accent
#8300E6
background
#F9FBFF
surface
#F2F6FF
border
#CCD0D7
text
#0E1117
muted
#7E8085

Preview Lab

Preview with #559BF8

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

Preview Lab → · Contrast checker → · Palette generator →

#559BF8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva