#42C7D8#42C7D8

#42C7D8 is a light, moderate teal. Relative luminance 0.470; OKLCH L 76.6% C 0.114 H 207.4°. Best body text is #000000 at 10.39:1 contrast (WCAG AA passes).

Color values

HEX#42C7D8
RGBrgb(66, 199, 216)
HSLhsl(187, 66%, 55%)
HSVhsv(187, 69%, 85%)
CMYKcmyk(69.4%, 7.9%, 0%, 15.3%)
CIE-LABlab(74.16, -30.05, -18.92)
CIE-LCHlch(74.16, 35.51, 212.20°)
OKLaboklab(76.57% -0.1015 -0.0526)
OKLCHoklch(76.57% 0.114 207.4)
XYZxyz(35.0595, 46.9589, 72.1687)
Luminance0.4696 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C7D8 #D85342
analogous
#42D89E #42C7D8 #427CD8
triadic
#42C7D8 #D842C7 #C7D842
tetradic
#42C7D8 #9E42D8 #D85342 #7CD842
square
#42C7D8 #9E42D8 #D85342 #7CD842
split-complementary
#42C7D8 #D8427C #D89E42
monochromatic
#1B7884 #26A7B7 #42C7D8 #75D6E2 #A7E5ED

Accessibility & contrast

On white

2.02
#42C7D8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.39
#42C7D8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C7D8
10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C7D8#FFFFFF#000000##000000
##42C7D81.002.0210.3910.39
#FFFFFF2.021.0021.0021.00
#00000010.3921.001.001.00
##00000010.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#B6BFD9
Deuteranopia (green-blind)
#A1B0D8
Tritanopia (blue-blind)
#00D0CC
Achromatopsia (no color)
#B6B6B6

Design tokens & code

CSS
--color: #42c7d8;
/* rgb */ color: rgb(66, 199, 216);
/* oklch */ color: oklch(76.6% 0.114 207.4);
Tailwind
colors: {
  custom: {
    50: '#8ad8e4',
    500: '#42c7d8',
    950: '#000000',
  },
}
SCSS
$custom: #42c7d8;
$custom-light: #8ad8e4;
$custom-dark: #000000;
JSON
{
  "hex": "#42c7d8",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 216
  },
  "hsl": {
    "h": 186.8,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.76565,
    "c": 0.11433,
    "h": 207.4
  },
  "luminance": 0.46963
}

Semantic roles & 50–950 ramp

primary
#42C7D8
secondary
#DAA39C
accent
#523FE9
background
#F9FDFD
surface
#F2FAFB
border
#CCD3D4
text
#0D1415
muted
#7E8383

Preview Lab

Preview with #42C7D8

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

Preview Lab → · Contrast checker → · Palette generator →

#42C7D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva