#42AEDB#42AEDB

#42AEDB is a light, moderate cyan. Relative luminance 0.365; OKLCH L 70.8% C 0.117 H 229.5°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX#42AEDB
RGBrgb(66, 174, 219)
HSLhsl(198, 68%, 56%)
HSVhsv(198, 70%, 86%)
CMYKcmyk(69.9%, 20.5%, 0%, 14.1%)
CIE-LABlab(66.93, -16.41, -31.63)
CIE-LCHlch(66.93, 35.64, 242.58°)
OKLaboklab(70.79% -0.0757 -0.0887)
OKLCHoklch(70.79% 0.117 229.5)
XYZxyz(30.1639, 36.5414, 72.4676)
Luminance0.3654 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42AEDB #DB6F42
analogous
#42DBBB #42AEDB #4261DB
triadic
#42AEDB #DB42AE #AEDB42
tetradic
#42AEDB #BB42DB #DB6F42 #61DB42
square
#42AEDB #BB42DB #DB6F42 #61DB42
split-complementary
#42AEDB #DB4261 #DBBB42
monochromatic
#1A6889 #248FBC #42AEDB #75C4E5 #A9DAEF

Accessibility & contrast

On white

2.53
#42AEDB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.31
#42AEDB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AEDB
8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42AEDB#FFFFFF#000000##000000
##42AEDB1.002.538.318.31
#FFFFFF2.531.0021.0021.00
#0000008.3121.001.001.00
##0000008.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#97ABDD
Deuteranopia (green-blind)
#829CDA
Tritanopia (blue-blind)
#00BBBD
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #42aedb;
/* rgb */ color: rgb(66, 174, 219);
/* oklch */ color: oklch(70.8% 0.117 229.5);
Tailwind
colors: {
  custom: {
    50: '#89c6e6',
    500: '#42aedb',
    950: '#000000',
  },
}
SCSS
$custom: #42aedb;
$custom-light: #89c6e6;
$custom-dark: #000000;
JSON
{
  "hex": "#42aedb",
  "rgb": {
    "r": 66,
    "g": 174,
    "b": 219
  },
  "hsl": {
    "h": 197.647,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.70794,
    "c": 0.11663,
    "h": 229.5
  },
  "luminance": 0.36545
}

Semantic roles & 50–950 ramp

primary
#42AEDB
secondary
#DCAF9D
accent
#703DEB
background
#F9FCFE
surface
#F1F8FC
border
#CBD1D5
text
#0D1316
muted
#7E8284

Preview Lab

Preview with #42AEDB

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

Preview Lab → · Contrast checker → · Palette generator →

#42AEDB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva