#42B6CD#42B6CD

#42B6CD is a light, moderate teal. Relative luminance 0.390; OKLCH L 72.1% C 0.107 H 213.4°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX#42B6CD
RGBrgb(66, 182, 205)
HSLhsl(190, 58%, 53%)
HSVhsv(190, 68%, 80%)
CMYKcmyk(67.8%, 11.2%, 0%, 19.6%)
CIE-LABlab(68.76, -24.97, -21.12)
CIE-LCHlch(68.76, 32.71, 220.23°)
OKLaboklab(72.09% -0.089 -0.0588)
OKLCHoklch(72.09% 0.107 213.4)
XYZxyz(29.9895, 39.0186, 63.6966)
Luminance0.3902 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42B6CD #CD5942
analogous
#42CD9E #42B6CD #4270CD
triadic
#42B6CD #CD42B6 #B6CD42
tetradic
#42B6CD #9E42CD #CD5942 #70CD42
square
#42B6CD #9E42CD #CD5942 #70CD42
split-complementary
#42B6CD #CD4270 #CD9E42
monochromatic
#1F6776 #2C92A6 #42B6CD #72C9DA #A3DBE7

Accessibility & contrast

On white

2.39
#42B6CD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.80
#42B6CD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B6CD
8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42B6CD#FFFFFF#000000##000000
##42B6CD1.002.398.808.80
#FFFFFF2.391.0021.0021.00
#0000008.8021.001.001.00
##0000008.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5B0CE
Deuteranopia (green-blind)
#91A1CD
Tritanopia (blue-blind)
#00BFBD
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #42b6cd;
/* rgb */ color: rgb(66, 182, 205);
/* oklch */ color: oklch(72.1% 0.107 213.4);
Tailwind
colors: {
  custom: {
    50: '#87ccdc',
    500: '#42b6cd',
    950: '#000000',
  },
}
SCSS
$custom: #42b6cd;
$custom-light: #87ccdc;
$custom-dark: #000000;
JSON
{
  "hex": "#42b6cd",
  "rgb": {
    "r": 66,
    "g": 182,
    "b": 205
  },
  "hsl": {
    "h": 189.928,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.7209,
    "c": 0.10665,
    "h": 213.4
  },
  "luminance": 0.39022
}

Semantic roles & 50–950 ramp

primary
#42B6CD
secondary
#D3A197
accent
#6046E1
background
#F9FCFD
surface
#F1F8FB
border
#CBD1D4
text
#0D1315
muted
#7E8283

Preview Lab

Preview with #42B6CD

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

Preview Lab → · Contrast checker → · Palette generator →

#42B6CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva