#55A8ED#55A8ED

#55A8ED is a light, vivid cyan. Relative luminance 0.361; OKLCH L 70.9% C 0.130 H 246.1°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX#55A8ED
RGBrgb(85, 168, 237)
HSLhsl(207, 81%, 63%)
HSVhsv(207, 64%, 93%)
CMYKcmyk(64.1%, 29.1%, 0%, 7.1%)
CIE-LABlab(66.56, -4.32, -42.05)
CIE-LCHlch(66.56, 42.27, 264.13°)
OKLaboklab(70.91% -0.0525 -0.1186)
OKLCHoklch(70.91% 0.13 246.1)
XYZxyz(33.0293, 36.0477, 85.3216)
Luminance0.3605 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55A8ED #ED9A55
analogous
#55EDE6 #55A8ED #555CED
triadic
#55A8ED #ED55A8 #A8ED55
tetradic
#55A8ED #E655ED #ED9A55 #5CED55
square
#55A8ED #E655ED #ED9A55 #5CED55
split-complementary
#55A8ED #ED555C #EDE655
monochromatic
#136BB4 #1E8CE7 #55A8ED #8CC4F3 #C4E1F9

Accessibility & contrast

On white

2.56
#55A8ED on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.21
#55A8ED on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A8ED
8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55A8ED#FFFFFF#000000##000000
##55A8ED1.002.568.218.21
#FFFFFF2.561.0021.0021.00
#0000008.2121.001.001.00
##0000008.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8AAAF0
Deuteranopia (green-blind)
#759BEC
Tritanopia (blue-blind)
#00B9C0
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #55a8ed;
/* rgb */ color: rgb(85, 168, 237);
/* oklch */ color: oklch(70.9% 0.130 246.1);
Tailwind
colors: {
  custom: {
    50: '#93c1f3',
    500: '#55a8ed',
    950: '#000000',
  },
}
SCSS
$custom: #55a8ed;
$custom-light: #93c1f3;
$custom-dark: #000000;
JSON
{
  "hex": "#55a8ed",
  "rgb": {
    "r": 85,
    "g": 168,
    "b": 237
  },
  "hsl": {
    "h": 207.237,
    "s": 80.851,
    "l": 63.137
  },
  "oklch": {
    "l": 0.70912,
    "c": 0.12976,
    "h": 246.1
  },
  "luminance": 0.36051
}

Semantic roles & 50–950 ramp

primary
#55A8ED
secondary
#EACCB4
accent
#6908DD
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0E1217
muted
#7E8185

Preview Lab

Preview with #55A8ED

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

Preview Lab → · Contrast checker → · Palette generator →

#55A8ED Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva