#42B6CA#42B6CA

#42B6CA is a light, moderate teal. Relative luminance 0.389; OKLCH L 72.0% C 0.105 H 211.2°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX#42B6CA
RGBrgb(66, 182, 202)
HSLhsl(189, 56%, 53%)
HSVhsv(189, 67%, 79%)
CMYKcmyk(67.3%, 9.9%, 0%, 20.8%)
CIE-LABlab(68.66, -25.89, -19.63)
CIE-LCHlch(68.66, 32.49, 217.18°)
OKLaboklab(71.97% -0.0902 -0.0546)
OKLCHoklch(71.97% 0.105 211.2)
XYZxyz(29.6309, 38.8751, 61.8077)
Luminance0.3888 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42B6CA #CA5642
analogous
#42CA9A #42B6CA #4272CA
triadic
#42B6CA #CA42B6 #B6CA42
tetradic
#42B6CA #9A42CA #CA5642 #72CA42
square
#42B6CA #9A42CA #CA5642 #72CA42
split-complementary
#42B6CA #CA4272 #CA9A42
monochromatic
#206672 #2D90A2 #42B6CA #72C8D7 #A2DBE5

Accessibility & contrast

On white

2.39
#42B6CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.78
#42B6CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B6CA
8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42B6CA#FFFFFF#000000##000000
##42B6CA1.002.398.788.78
#FFFFFF2.391.0021.0021.00
#0000008.7821.001.001.00
##0000008.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A6B0CB
Deuteranopia (green-blind)
#92A1CA
Tritanopia (blue-blind)
#00BFBC
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #42b6ca;
/* rgb */ color: rgb(66, 182, 202);
/* oklch */ color: oklch(72.0% 0.105 211.2);
Tailwind
colors: {
  custom: {
    50: '#87ccda',
    500: '#42b6ca',
    950: '#000000',
  },
}
SCSS
$custom: #42b6ca;
$custom-light: #87ccda;
$custom-dark: #000000;
JSON
{
  "hex": "#42b6ca",
  "rgb": {
    "r": 66,
    "g": 182,
    "b": 202
  },
  "hsl": {
    "h": 188.824,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.71972,
    "c": 0.10542,
    "h": 211.2
  },
  "luminance": 0.38878
}

Semantic roles & 50–950 ramp

primary
#42B6CA
secondary
#D19F96
accent
#5F48DF
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0D1314
muted
#7D8283

Preview Lab

Preview with #42B6CA

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

Preview Lab → · Contrast checker → · Palette generator →

#42B6CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva