#55A3EE#55A3EE

#55A3EE is a light, vivid cyan. Relative luminance 0.343; OKLCH L 69.9% C 0.135 H 249.5°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX#55A3EE
RGBrgb(85, 163, 238)
HSLhsl(209, 82%, 63%)
HSVhsv(209, 64%, 93%)
CMYKcmyk(64.3%, 31.5%, 0%, 6.7%)
CIE-LABlab(65.20, -1.17, -44.73)
CIE-LCHlch(65.20, 44.75, 268.50°)
OKLaboklab(69.86% -0.0472 -0.1265)
OKLCHoklch(69.86% 0.135 249.5)
XYZxyz(32.2704, 34.2955, 85.7914)
Luminance0.3430 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55A3EE #EEA055
analogous
#55EEED #55A3EE #5556EE
triadic
#55A3EE #EE55A3 #A3EE55
tetradic
#55A3EE #ED55EE #EEA055 #56EE55
square
#55A3EE #ED55EE #EEA055 #56EE55
split-complementary
#55A3EE #EE5556 #EEED55
monochromatic
#1266B6 #1D85E8 #55A3EE #8DC1F4 #C4DFF9

Accessibility & contrast

On white

2.67
#55A3EE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.86
#55A3EE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A3EE
7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55A3EE#FFFFFF#000000##000000
##55A3EE1.002.677.867.86
#FFFFFF2.671.0021.0021.00
#0000007.8621.001.001.00
##0000007.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#82A6F1
Deuteranopia (green-blind)
#6D98ED
Tritanopia (blue-blind)
#00B5BE
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #55a3ee;
/* rgb */ color: rgb(85, 163, 238);
/* oklch */ color: oklch(69.9% 0.135 249.5);
Tailwind
colors: {
  custom: {
    50: '#93bdf4',
    500: '#55a3ee',
    950: '#000000',
  },
}
SCSS
$custom: #55a3ee;
$custom-light: #93bdf4;
$custom-dark: #000000;
JSON
{
  "hex": "#55a3ee",
  "rgb": {
    "r": 85,
    "g": 163,
    "b": 238
  },
  "hsl": {
    "h": 209.412,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.69857,
    "c": 0.13503,
    "h": 249.5
  },
  "luminance": 0.34299
}

Semantic roles & 50–950 ramp

primary
#55A3EE
secondary
#EBCFB4
accent
#7107DE
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1217
muted
#7E8185

Preview Lab

Preview with #55A3EE

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

Preview Lab → · Contrast checker → · Palette generator →

#55A3EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva