#42C7DD#42C7DD

#42C7DD is a light, moderate teal. Relative luminance 0.472; OKLCH L 76.8% C 0.116 H 210.9°. Best body text is #000000 at 10.45:1 contrast (WCAG AA passes).

Color values

HEX#42C7DD
RGBrgb(66, 199, 221)
HSLhsl(189, 70%, 56%)
HSVhsv(189, 70%, 87%)
CMYKcmyk(70.1%, 10%, 0%, 13.3%)
CIE-LABlab(74.33, -28.55, -21.38)
CIE-LCHlch(74.33, 35.66, 216.82°)
OKLaboklab(76.76% -0.0995 -0.0595)
OKLCHoklch(76.76% 0.116 210.9)
XYZxyz(35.7158, 47.2214, 75.6249)
Luminance0.4723 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C7DD #DD5842
analogous
#42DDA6 #42C7DD #427ADD
triadic
#42C7DD #DD42C7 #C7DD42
tetradic
#42C7DD #A642DD #DD5842 #7ADD42
square
#42C7DD #A642DD #DD5842 #7ADD42
split-complementary
#42C7DD #DD427A #DDA642
monochromatic
#197B8C #22A9BF #42C7DD #76D6E6 #AAE6F0

Accessibility & contrast

On white

2.01
#42C7DD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.45
#42C7DD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C7DD
10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C7DD#FFFFFF#000000##000000
##42C7DD1.002.0110.4510.45
#FFFFFF2.011.0021.0021.00
#00000010.4521.001.001.00
##00000010.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5C0DE
Deuteranopia (green-blind)
#9FB0DD
Tritanopia (blue-blind)
#00D0CE
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #42c7dd;
/* rgb */ color: rgb(66, 199, 221);
/* oklch */ color: oklch(76.8% 0.116 210.9);
Tailwind
colors: {
  custom: {
    50: '#8bd8e7',
    500: '#42c7dd',
    950: '#000000',
  },
}
SCSS
$custom: #42c7dd;
$custom-light: #8bd8e7;
$custom-dark: #000000;
JSON
{
  "hex": "#42c7dd",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 221
  },
  "hsl": {
    "h": 188.516,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.76756,
    "c": 0.11593,
    "h": 210.9
  },
  "luminance": 0.47226
}

Semantic roles & 50–950 ramp

primary
#42C7DD
secondary
#DDA79D
accent
#553BEC
background
#F9FDFE
surface
#F2FAFC
border
#CCD3D5
text
#0D1416
muted
#7E8384

Preview Lab

Preview with #42C7DD

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

Preview Lab → · Contrast checker → · Palette generator →

#42C7DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva