#55A5EB#55A5EB

#55A5EB is a light, vivid cyan. Relative luminance 0.348; OKLCH L 70.1% C 0.130 H 247.3°. Best body text is #000000 at 7.97:1 contrast (WCAG AA passes).

Color values

HEX#55A5EB
RGBrgb(85, 165, 235)
HSLhsl(208, 79%, 63%)
HSVhsv(208, 64%, 92%)
CMYKcmyk(63.8%, 29.8%, 0%, 7.8%)
CIE-LABlab(65.62, -3.29, -42.42)
CIE-LCHlch(65.62, 42.55, 265.57°)
OKLaboklab(70.15% -0.0501 -0.1197)
OKLCHoklch(70.15% 0.13 247.3)
XYZxyz(32.1913, 34.8365, 83.6088)
Luminance0.3484 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55A5EB #EB9B55
analogous
#55EBE6 #55A5EB #555AEB
triadic
#55A5EB #EB55A5 #A5EB55
tetradic
#55A5EB #E655EB #EB9B55 #5AEB55
square
#55A5EB #E655EB #EB9B55 #5AEB55
split-complementary
#55A5EB #EB555A #EBE655
monochromatic
#1568B1 #1E88E5 #55A5EB #8CC2F1 #C3DFF8

Accessibility & contrast

On white

2.64
#55A5EB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.97
#55A5EB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A5EB
7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55A5EB#FFFFFF#000000##000000
##55A5EB1.002.647.977.97
#FFFFFF2.641.0021.0021.00
#0000007.9721.001.001.00
##0000007.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#86A7EE
Deuteranopia (green-blind)
#7299EA
Tritanopia (blue-blind)
#00B6BE
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #55a5eb;
/* rgb */ color: rgb(85, 165, 235);
/* oklch */ color: oklch(70.1% 0.130 247.3);
Tailwind
colors: {
  custom: {
    50: '#92bff1',
    500: '#55a5eb',
    950: '#000000',
  },
}
SCSS
$custom: #55a5eb;
$custom-light: #92bff1;
$custom-dark: #000000;
JSON
{
  "hex": "#55a5eb",
  "rgb": {
    "r": 85,
    "g": 165,
    "b": 235
  },
  "hsl": {
    "h": 208,
    "s": 78.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.70146,
    "c": 0.12981,
    "h": 247.3
  },
  "luminance": 0.3484
}

Semantic roles & 50–950 ramp

primary
#55A5EB
secondary
#E9CCB3
accent
#6C0ADB
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0E1217
muted
#7E8185

Preview Lab

Preview with #55A5EB

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

Preview Lab → · Contrast checker → · Palette generator →

#55A5EB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva