#42B4BD#42B4BD

#42B4BD is a light, moderate teal. Relative luminance 0.375; OKLCH L 71.0% C 0.101 H 202.6°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX#42B4BD
RGBrgb(66, 180, 189)
HSLhsl(184, 48%, 50%)
HSVhsv(184, 65%, 74%)
CMYKcmyk(65.1%, 4.8%, 0%, 25.9%)
CIE-LABlab(67.63, -28.77, -14.03)
CIE-LCHlch(67.63, 32.01, 205.99°)
OKLaboklab(71% -0.0935 -0.0389)
OKLCHoklch(71% 0.101 202.6)
XYZxyz(27.7494, 37.4718, 53.9046)
Luminance0.3748 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42B4BD #BD4B42
analogous
#42BD88 #42B4BD #4277BD
triadic
#42B4BD #BD42B4 #B4BD42
tetradic
#42B4BD #8842BD #BD4B42 #77BD42
square
#42B4BD #8842BD #BD4B42 #77BD42
split-complementary
#42B4BD #BD4277 #BD8842
monochromatic
#225E62 #328990 #42B4BD #6FC6CD #9DD8DD

Accessibility & contrast

On white

2.47
#42B4BD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.49
#42B4BD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B4BD
8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42B4BD#FFFFFF#000000##000000
##42B4BD1.002.478.498.49
#FFFFFF2.471.0021.0021.00
#0000008.4921.001.001.00
##0000008.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A7ADBE
Deuteranopia (green-blind)
#949FBE
Tritanopia (blue-blind)
#00BBB6
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #42b4bd;
/* rgb */ color: rgb(66, 180, 189);
/* oklch */ color: oklch(71.0% 0.101 202.6);
Tailwind
colors: {
  custom: {
    50: '#86cbd0',
    500: '#42b4bd',
    950: '#000000',
  },
}
SCSS
$custom: #42b4bd;
$custom-light: #86cbd0;
$custom-dark: #000000;
JSON
{
  "hex": "#42b4bd",
  "rgb": {
    "r": 66,
    "g": 180,
    "b": 189
  },
  "hsl": {
    "h": 184.39,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.70997,
    "c": 0.10129,
    "h": 202.6
  },
  "luminance": 0.37475
}

Semantic roles & 50–950 ramp

primary
#42B4BD
secondary
#C99692
accent
#5A50D8
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #42B4BD

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

Preview Lab → · Contrast checker → · Palette generator →

#42B4BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva