#42C4DC#42C4DC

#42C4DC is a light, moderate teal. Relative luminance 0.458; OKLCH L 76.0% C 0.115 H 212.5°. Best body text is #000000 at 10.16:1 contrast (WCAG AA passes).

Color values

HEX#42C4DC
RGBrgb(66, 196, 220)
HSLhsl(189, 69%, 56%)
HSVhsv(189, 70%, 86%)
CMYKcmyk(70%, 10.9%, 0%, 13.7%)
CIE-LABlab(73.42, -27.38, -22.23)
CIE-LCHlch(73.42, 35.26, 219.07°)
OKLaboklab(76.01% -0.097 -0.0619)
OKLCHoklch(76.01% 0.115 212.5)
XYZxyz(34.8995, 45.8014, 74.6975)
Luminance0.4581 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C4DC #DC5A42
analogous
#42DCA7 #42C4DC #4277DC
triadic
#42C4DC #DC42C4 #C4DC42
tetradic
#42C4DC #A742DC #DC5A42 #77DC42
square
#42C4DC #A742DC #DC5A42 #77DC42
split-complementary
#42C4DC #DC4277 #DCA742
monochromatic
#1A798A #23A6BE #42C4DC #76D4E6 #A9E4EF

Accessibility & contrast

On white

2.07
#42C4DC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.16
#42C4DC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4DC
10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C4DC#FFFFFF#000000##000000
##42C4DC1.002.0710.1610.16
#FFFFFF2.071.0021.0021.00
#00000010.1621.001.001.00
##00000010.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B2BDDD
Deuteranopia (green-blind)
#9CADDC
Tritanopia (blue-blind)
#00CECB
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #42c4dc;
/* rgb */ color: rgb(66, 196, 220);
/* oklch */ color: oklch(76.0% 0.115 212.5);
Tailwind
colors: {
  custom: {
    50: '#8ad6e6',
    500: '#42c4dc',
    950: '#000000',
  },
}
SCSS
$custom: #42c4dc;
$custom-light: #8ad6e6;
$custom-dark: #000000;
JSON
{
  "hex": "#42c4dc",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 220
  },
  "hsl": {
    "h": 189.351,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.76008,
    "c": 0.11502,
    "h": 212.5
  },
  "luminance": 0.45805
}

Semantic roles & 50–950 ramp

primary
#42C4DC
secondary
#DDA79D
accent
#583CEC
background
#F9FDFE
surface
#F2FAFC
border
#CCD3D5
text
#0D1416
muted
#7E8384

Preview Lab

Preview with #42C4DC

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

Preview Lab → · Contrast checker → · Palette generator →

#42C4DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva