#42C0CB#42C0CB

#42C0CB is a light, moderate teal. Relative luminance 0.432; OKLCH L 74.4% C 0.109 H 203.5°. Best body text is #000000 at 9.63:1 contrast (WCAG AA passes).

Color values

HEX#42C0CB
RGBrgb(66, 192, 203)
HSLhsl(185, 57%, 53%)
HSVhsv(185, 67%, 80%)
CMYKcmyk(67.5%, 5.4%, 0%, 20.4%)
CIE-LABlab(71.67, -30.51, -15.63)
CIE-LCHlch(71.67, 34.28, 207.13°)
OKLaboklab(74.41% -0.0999 -0.0434)
OKLCHoklch(74.41% 0.109 203.5)
XYZxyz(31.8712, 43.1657, 63.1405)
Luminance0.4317 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C0CB #CB4D42
analogous
#42CB92 #42C0CB #427BCB
triadic
#42C0CB #CB42C0 #C0CB42
tetradic
#42C0CB #9242CB #CB4D42 #7BCB42
square
#42C0CB #9242CB #CB4D42 #7BCB42
split-complementary
#42C0CB #CB427B #CB9242
monochromatic
#206C73 #2D99A3 #42C0CB #72D0D8 #A2E0E5

Accessibility & contrast

On white

2.18
#42C0CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.63
#42C0CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C0CB
9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C0CB#FFFFFF#000000##000000
##42C0CB1.002.189.639.63
#FFFFFF2.181.0021.0021.00
#0000009.6321.001.001.00
##0000009.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#B1B8CC
Deuteranopia (green-blind)
#9DA9CC
Tritanopia (blue-blind)
#00C8C3
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #42c0cb;
/* rgb */ color: rgb(66, 192, 203);
/* oklch */ color: oklch(74.4% 0.109 203.5);
Tailwind
colors: {
  custom: {
    50: '#88d3da',
    500: '#42c0cb',
    950: '#000000',
  },
}
SCSS
$custom: #42c0cb;
$custom-light: #88d3da;
$custom-dark: #000000;
JSON
{
  "hex": "#42c0cb",
  "rgb": {
    "r": 66,
    "g": 192,
    "b": 203
  },
  "hsl": {
    "h": 184.818,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.74409,
    "c": 0.10891,
    "h": 203.5
  },
  "luminance": 0.43169
}

Semantic roles & 50–950 ramp

primary
#42C0CB
secondary
#D29B97
accent
#5448E0
background
#F9FDFD
surface
#F1FAFA
border
#CBD3D3
text
#0D1414
muted
#7E8383

Preview Lab

Preview with #42C0CB

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

Preview Lab → · Contrast checker → · Palette generator →

#42C0CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva