#55A4E3#55A4E3

#55A4E3 is a light, vivid cyan. Relative luminance 0.340; OKLCH L 69.5% C 0.121 H 244.9°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX#55A4E3
RGBrgb(85, 164, 227)
HSLhsl(207, 72%, 61%)
HSVhsv(207, 63%, 89%)
CMYKcmyk(62.6%, 27.8%, 0%, 11%)
CIE-LABlab(64.98, -5.33, -39.02)
CIE-LCHlch(64.98, 39.38, 262.23°)
OKLaboklab(69.53% -0.0515 -0.1099)
OKLCHoklch(69.53% 0.121 244.9)
XYZxyz(30.8817, 34.0252, 77.5982)
Luminance0.3403 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55A4E3 #E39455
analogous
#55E3DB #55A4E3 #555DE3
triadic
#55A4E3 #E355A4 #A4E355
tetradic
#55A4E3 #DB55E3 #E39455 #5DE355
square
#55A4E3 #DB55E3 #E39455 #5DE355
split-complementary
#55A4E3 #E3555D #E3DB55
monochromatic
#1B66A3 #2388D7 #55A4E3 #8AC0EC #BEDCF4

Accessibility & contrast

On white

2.69
#55A4E3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.81
#55A4E3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A4E3
7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55A4E3#FFFFFF#000000##000000
##55A4E31.002.697.817.81
#FFFFFF2.691.0021.0021.00
#0000007.8121.001.001.00
##0000007.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#88A5E6
Deuteranopia (green-blind)
#7597E2
Tritanopia (blue-blind)
#00B3BA
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #55a4e3;
/* rgb */ color: rgb(85, 164, 227);
/* oklch */ color: oklch(69.5% 0.121 244.9);
Tailwind
colors: {
  custom: {
    50: '#91beec',
    500: '#55a4e3',
    950: '#000000',
  },
}
SCSS
$custom: #55a4e3;
$custom-light: #91beec;
$custom-dark: #000000;
JSON
{
  "hex": "#55a4e3",
  "rgb": {
    "r": 85,
    "g": 164,
    "b": 227
  },
  "hsl": {
    "h": 206.62,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.69525,
    "c": 0.12136,
    "h": 244.9
  },
  "luminance": 0.34028
}

Semantic roles & 50–950 ramp

primary
#55A4E3
secondary
#E5C7AF
accent
#6812D4
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #55A4E3

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

Preview Lab → · Contrast checker → · Palette generator →

#55A4E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva