#42CBDF#42CBDF

#42CBDF is a light, moderate teal. Relative luminance 0.492; OKLCH L 77.8% C 0.117 H 209.1°. Best body text is #000000 at 10.84:1 contrast (WCAG AA passes).

Color values

HEX#42CBDF
RGBrgb(66, 203, 223)
HSLhsl(188, 71%, 57%)
HSVhsv(188, 70%, 87%)
CMYKcmyk(70.4%, 9%, 0%, 12.5%)
CIE-LABlab(75.57, -29.90, -20.57)
CIE-LCHlch(75.57, 36.29, 214.53°)
OKLaboklab(77.78% -0.1026 -0.0572)
OKLCHoklch(77.78% 0.117 209.1)
XYZxyz(36.9163, 49.1935, 77.3474)
Luminance0.4920 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42CBDF #DF5642
analogous
#42DFA4 #42CBDF #427DDF
triadic
#42CBDF #DF42CB #CBDF42
tetradic
#42CBDF #A442DF #DF5642 #7DDF42
square
#42CBDF #A442DF #DF5642 #7DDF42
split-complementary
#42CBDF #DF427D #DFA442
monochromatic
#187F8E #21AEC3 #42CBDF #76D9E8 #ABE8F1

Accessibility & contrast

On white

1.94
#42CBDF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.84
#42CBDF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CBDF
10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42CBDF#FFFFFF#000000##000000
##42CBDF1.001.9410.8410.84
#FFFFFF1.941.0021.0021.00
#00000010.8421.001.001.00
##00000010.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#B9C4E0
Deuteranopia (green-blind)
#A3B3DF
Tritanopia (blue-blind)
#00D4D1
Achromatopsia (no color)
#BABABA

Design tokens & code

CSS
--color: #42cbdf;
/* rgb */ color: rgb(66, 203, 223);
/* oklch */ color: oklch(77.8% 0.117 209.1);
Tailwind
colors: {
  custom: {
    50: '#8bdbe9',
    500: '#42cbdf',
    950: '#000000',
  },
}
SCSS
$custom: #42cbdf;
$custom-light: #8bdbe9;
$custom-dark: #000000;
JSON
{
  "hex": "#42cbdf",
  "rgb": {
    "r": 66,
    "g": 203,
    "b": 223
  },
  "hsl": {
    "h": 187.643,
    "s": 71.041,
    "l": 56.667
  },
  "oklch": {
    "l": 0.77779,
    "c": 0.11748,
    "h": 209.1
  },
  "luminance": 0.49198
}

Semantic roles & 50–950 ramp

primary
#42CBDF
secondary
#DFA69E
accent
#513AEE
background
#F9FDFE
surface
#F2FBFC
border
#CCD4D5
text
#0E1516
muted
#7E8384

Preview Lab

Preview with #42CBDF

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

Preview Lab → · Contrast checker → · Palette generator →

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