#42ABDB#42ABDB

#42ABDB is a light, moderate cyan. Relative luminance 0.354; OKLCH L 70.1% C 0.118 H 231.8°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX#42ABDB
RGBrgb(66, 171, 219)
HSLhsl(199, 68%, 56%)
HSVhsv(199, 70%, 86%)
CMYKcmyk(69.9%, 21.9%, 0%, 14.1%)
CIE-LABlab(66.06, -14.81, -32.99)
CIE-LCHlch(66.06, 36.16, 245.83°)
OKLaboklab(70.1% -0.0728 -0.0926)
OKLCHoklch(70.1% 0.118 231.8)
XYZxyz(29.5908, 35.3952, 72.2765)
Luminance0.3540 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42ABDB #DB7242
analogous
#42DBBF #42ABDB #425EDB
triadic
#42ABDB #DB42AB #ABDB42
tetradic
#42ABDB #BF42DB #DB7242 #5EDB42
square
#42ABDB #BF42DB #DB7242 #5EDB42
split-complementary
#42ABDB #DB425E #DBBF42
monochromatic
#1A6689 #248CBC #42ABDB #75C2E5 #A9D9EF

Accessibility & contrast

On white

2.60
#42ABDB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.08
#42ABDB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ABDB
8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42ABDB#FFFFFF#000000##000000
##42ABDB1.002.608.088.08
#FFFFFF2.601.0021.0021.00
#0000008.0821.001.001.00
##0000008.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#93A9DD
Deuteranopia (green-blind)
#7E9ADA
Tritanopia (blue-blind)
#00B8BB
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #42abdb;
/* rgb */ color: rgb(66, 171, 219);
/* oklch */ color: oklch(70.1% 0.118 231.8);
Tailwind
colors: {
  custom: {
    50: '#88c4e6',
    500: '#42abdb',
    950: '#000000',
  },
}
SCSS
$custom: #42abdb;
$custom-light: #88c4e6;
$custom-dark: #000000;
JSON
{
  "hex": "#42abdb",
  "rgb": {
    "r": 66,
    "g": 171,
    "b": 219
  },
  "hsl": {
    "h": 198.824,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.70095,
    "c": 0.1178,
    "h": 231.8
  },
  "luminance": 0.35399
}

Semantic roles & 50–950 ramp

primary
#42ABDB
secondary
#DCB19D
accent
#743DEB
background
#F9FCFE
surface
#F1F8FC
border
#CBD1D5
text
#0D1216
muted
#7E8184

Preview Lab

Preview with #42ABDB

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

Preview Lab → · Contrast checker → · Palette generator →

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