#55A8EF#55A8EF

#55A8EF is a light, vivid cyan. Relative luminance 0.362; OKLCH L 71.0% C 0.132 H 246.8°. Best body text is #000000 at 8.23:1 contrast (WCAG AA passes).

Color values

HEX#55A8EF
RGBrgb(85, 168, 239)
HSLhsl(208, 83%, 64%)
HSVhsv(208, 64%, 94%)
CMYKcmyk(64.4%, 29.7%, 0%, 6.3%)
CIE-LABlab(66.65, -3.67, -43.00)
CIE-LCHlch(66.65, 43.16, 265.12°)
OKLaboklab(71.01% -0.0519 -0.1214)
OKLCHoklch(71.01% 0.132 246.8)
XYZxyz(33.3231, 36.1652, 86.8690)
Luminance0.3617 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55A8EF #EF9C55
analogous
#55EFE9 #55A8EF #555BEF
triadic
#55A8EF #EF55A8 #A8EF55
tetradic
#55A8EF #E955EF #EF9C55 #5BEF55
square
#55A8EF #E955EF #EF9C55 #5BEF55
split-complementary
#55A8EF #EF555B #EFE955
monochromatic
#116BB8 #1D8BEA #55A8EF #8DC5F4 #C5E1FA

Accessibility & contrast

On white

2.55
#55A8EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.23
#55A8EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A8EF
8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55A8EF#FFFFFF#000000##000000
##55A8EF1.002.558.238.23
#FFFFFF2.551.0021.0021.00
#0000008.2321.001.001.00
##0000008.2321.001.001.00

Color blindness preview

Protanopia (red-blind)
#89AAF2
Deuteranopia (green-blind)
#749BEE
Tritanopia (blue-blind)
#00B9C1
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #55a8ef;
/* rgb */ color: rgb(85, 168, 239);
/* oklch */ color: oklch(71.0% 0.132 246.8);
Tailwind
colors: {
  custom: {
    50: '#93c1f4',
    500: '#55a8ef',
    950: '#000000',
  },
}
SCSS
$custom: #55a8ef;
$custom-light: #93c1f4;
$custom-dark: #000000;
JSON
{
  "hex": "#55a8ef",
  "rgb": {
    "r": 85,
    "g": 168,
    "b": 239
  },
  "hsl": {
    "h": 207.662,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.71012,
    "c": 0.13207,
    "h": 246.8
  },
  "luminance": 0.36169
}

Semantic roles & 50–950 ramp

primary
#55A8EF
secondary
#EBCEB5
accent
#6A06DF
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0E1217
muted
#7E8185

Preview Lab

Preview with #55A8EF

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

Preview Lab → · Contrast checker → · Palette generator →

#55A8EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva