#42B3BD#42B3BD

#42B3BD is a light, moderate teal. Relative luminance 0.371; OKLCH L 70.8% C 0.101 H 203.5°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX#42B3BD
RGBrgb(66, 179, 189)
HSLhsl(185, 48%, 50%)
HSVhsv(185, 65%, 74%)
CMYKcmyk(65.1%, 5.3%, 0%, 25.9%)
CIE-LABlab(67.33, -28.28, -14.48)
CIE-LCHlch(67.33, 31.77, 207.11°)
OKLaboklab(70.75% -0.0925 -0.0401)
OKLCHoklch(70.75% 0.101 203.5)
XYZxyz(27.5482, 37.0695, 53.8375)
Luminance0.3707 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42B3BD #BD4C42
analogous
#42BD89 #42B3BD #4276BD
triadic
#42B3BD #BD42B3 #B3BD42
tetradic
#42B3BD #8942BD #BD4C42 #76BD42
square
#42B3BD #8942BD #BD4C42 #76BD42
split-complementary
#42B3BD #BD4276 #BD8942
monochromatic
#225D62 #328890 #42B3BD #6FC5CD #9DD7DD

Accessibility & contrast

On white

2.50
#42B3BD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.41
#42B3BD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B3BD
8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42B3BD#FFFFFF#000000##000000
##42B3BD1.002.508.418.41
#FFFFFF2.501.0021.0021.00
#0000008.4121.001.001.00
##0000008.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5ACBE
Deuteranopia (green-blind)
#939EBD
Tritanopia (blue-blind)
#00BAB6
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #42b3bd;
/* rgb */ color: rgb(66, 179, 189);
/* oklch */ color: oklch(70.8% 0.101 203.5);
Tailwind
colors: {
  custom: {
    50: '#86cad0',
    500: '#42b3bd',
    950: '#000000',
  },
}
SCSS
$custom: #42b3bd;
$custom-light: #86cad0;
$custom-dark: #000000;
JSON
{
  "hex": "#42b3bd",
  "rgb": {
    "r": 66,
    "g": 179,
    "b": 189
  },
  "hsl": {
    "h": 184.878,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.70754,
    "c": 0.10082,
    "h": 203.5
  },
  "luminance": 0.37073
}

Semantic roles & 50–950 ramp

primary
#42B3BD
secondary
#C99692
accent
#5B50D8
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #42B3BD

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

Preview Lab → · Contrast checker → · Palette generator →

#42B3BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva