#55A4EF#55A4EF

#55A4EF is a light, vivid cyan. Relative luminance 0.347; OKLCH L 70.1% C 0.135 H 249.3°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX#55A4EF
RGBrgb(85, 164, 239)
HSLhsl(209, 83%, 64%)
HSVhsv(209, 64%, 94%)
CMYKcmyk(64.4%, 31.4%, 0%, 6.3%)
CIE-LABlab(65.52, -1.41, -44.77)
CIE-LCHlch(65.52, 44.79, 268.20°)
OKLaboklab(70.13% -0.0479 -0.1266)
OKLCHoklch(70.13% 0.135 249.3)
XYZxyz(32.5960, 34.7109, 86.6267)
Luminance0.3471 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55A4EF #EFA055
analogous
#55EFED #55A4EF #5557EF
triadic
#55A4EF #EF55A4 #A4EF55
tetradic
#55A4EF #ED55EF #EFA055 #57EF55
square
#55A4EF #ED55EF #EFA055 #57EF55
split-complementary
#55A4EF #EF5557 #EFED55
monochromatic
#1167B8 #1D86EA #55A4EF #8DC2F4 #C5E0FA

Accessibility & contrast

On white

2.64
#55A4EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.94
#55A4EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A4EF
7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55A4EF#FFFFFF#000000##000000
##55A4EF1.002.647.947.94
#FFFFFF2.641.0021.0021.00
#0000007.9421.001.001.00
##0000007.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#83A7F2
Deuteranopia (green-blind)
#6E98EE
Tritanopia (blue-blind)
#00B6BF
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #55a4ef;
/* rgb */ color: rgb(85, 164, 239);
/* oklch */ color: oklch(70.1% 0.135 249.3);
Tailwind
colors: {
  custom: {
    50: '#93bef4',
    500: '#55a4ef',
    950: '#000000',
  },
}
SCSS
$custom: #55a4ef;
$custom-light: #93bef4;
$custom-dark: #000000;
JSON
{
  "hex": "#55a4ef",
  "rgb": {
    "r": 85,
    "g": 164,
    "b": 239
  },
  "hsl": {
    "h": 209.221,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.70128,
    "c": 0.13537,
    "h": 249.3
  },
  "luminance": 0.34714
}

Semantic roles & 50–950 ramp

primary
#55A4EF
secondary
#EBCFB5
accent
#7006DF
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1217
muted
#7E8185

Preview Lab

Preview with #55A4EF

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

Preview Lab → · Contrast checker → · Palette generator →

#55A4EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva