#42C3D9#42C3D9

#42C3D9 is a light, moderate teal. Relative luminance 0.452; OKLCH L 75.7% C 0.114 H 211.2°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX#42C3D9
RGBrgb(66, 195, 217)
HSLhsl(189, 67%, 55%)
HSVhsv(189, 70%, 85%)
CMYKcmyk(69.6%, 10.1%, 0%, 14.9%)
CIE-LABlab(73.02, -27.79, -21.20)
CIE-LCHlch(73.02, 34.96, 217.34°)
OKLaboklab(75.65% -0.0972 -0.059)
OKLCHoklch(75.65% 0.114 211.2)
XYZxyz(34.2809, 45.1943, 72.5488)
Luminance0.4520 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C3D9 #D95842
analogous
#42D9A4 #42C3D9 #4277D9
triadic
#42C3D9 #D942C3 #C3D942
tetradic
#42C3D9 #A442D9 #D95842 #77D942
square
#42C3D9 #A442D9 #D95842 #77D942
split-complementary
#42C3D9 #D94277 #D9A442
monochromatic
#1B7686 #25A3B9 #42C3D9 #75D3E3 #A8E3ED

Accessibility & contrast

On white

2.09
#42C3D9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.04
#42C3D9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C3D9
10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C3D9#FFFFFF#000000##000000
##42C3D91.002.0910.0410.04
#FFFFFF2.091.0021.0021.00
#00000010.0421.001.001.00
##00000010.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#B1BCDA
Deuteranopia (green-blind)
#9CACD9
Tritanopia (blue-blind)
#00CCCA
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #42c3d9;
/* rgb */ color: rgb(66, 195, 217);
/* oklch */ color: oklch(75.7% 0.114 211.2);
Tailwind
colors: {
  custom: {
    50: '#8ad5e4',
    500: '#42c3d9',
    950: '#000000',
  },
}
SCSS
$custom: #42c3d9;
$custom-light: #8ad5e4;
$custom-dark: #000000;
JSON
{
  "hex": "#42c3d9",
  "rgb": {
    "r": 66,
    "g": 195,
    "b": 217
  },
  "hsl": {
    "h": 188.742,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.75654,
    "c": 0.11367,
    "h": 211.2
  },
  "luminance": 0.45198
}

Semantic roles & 50–950 ramp

primary
#42C3D9
secondary
#DBA59C
accent
#573EE9
background
#F9FDFD
surface
#F1FAFB
border
#CBD3D4
text
#0D1415
muted
#7E8383

Preview Lab

Preview with #42C3D9

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

Preview Lab → · Contrast checker → · Palette generator →

#42C3D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva