#55A8EA#55A8EA

#55A8EA is a light, vivid cyan. Relative luminance 0.359; OKLCH L 70.8% C 0.126 H 245.0°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX#55A8EA
RGBrgb(85, 168, 234)
HSLhsl(207, 78%, 63%)
HSVhsv(207, 64%, 92%)
CMYKcmyk(63.7%, 28.2%, 0%, 8.2%)
CIE-LABlab(66.42, -5.30, -40.61)
CIE-LCHlch(66.42, 40.96, 262.57°)
OKLaboklab(70.76% -0.0534 -0.1145)
OKLCHoklch(70.76% 0.126 245)
XYZxyz(32.5947, 35.8738, 83.0325)
Luminance0.3588 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55A8EA #EA9755
analogous
#55EAE1 #55A8EA #555EEA
triadic
#55A8EA #EA55A8 #A8EA55
tetradic
#55A8EA #E155EA #EA9755 #5EEA55
square
#55A8EA #E155EA #EA9755 #5EEA55
split-complementary
#55A8EA #EA555E #EAE155
monochromatic
#166BAF #1F8CE3 #55A8EA #8BC4F1 #C2E0F7

Accessibility & contrast

On white

2.57
#55A8EA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.18
#55A8EA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A8EA
8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55A8EA#FFFFFF#000000##000000
##55A8EA1.002.578.188.18
#FFFFFF2.571.0021.0021.00
#0000008.1821.001.001.00
##0000008.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8BAAED
Deuteranopia (green-blind)
#769BE9
Tritanopia (blue-blind)
#00B8BF
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #55a8ea;
/* rgb */ color: rgb(85, 168, 234);
/* oklch */ color: oklch(70.8% 0.126 245.0);
Tailwind
colors: {
  custom: {
    50: '#92c1f1',
    500: '#55a8ea',
    950: '#000000',
  },
}
SCSS
$custom: #55a8ea;
$custom-light: #92c1f1;
$custom-dark: #000000;
JSON
{
  "hex": "#55a8ea",
  "rgb": {
    "r": 85,
    "g": 168,
    "b": 234
  },
  "hsl": {
    "h": 206.577,
    "s": 78.01,
    "l": 62.549
  },
  "oklch": {
    "l": 0.70763,
    "c": 0.12634,
    "h": 245
  },
  "luminance": 0.35877
}

Semantic roles & 50–950 ramp

primary
#55A8EA
secondary
#E8CAB2
accent
#670BDA
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #55A8EA

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

Preview Lab → · Contrast checker → · Palette generator →

#55A8EA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva