#42CBDD#42CBDD

#42CBDD is a light, moderate teal. Relative luminance 0.491; OKLCH L 77.7% C 0.117 H 207.8°. Best body text is #000000 at 10.82:1 contrast (WCAG AA passes).

Color values

HEX#42CBDD
RGBrgb(66, 203, 221)
HSLhsl(187, 70%, 56%)
HSVhsv(187, 70%, 87%)
CMYKcmyk(70.1%, 8.1%, 0%, 13.3%)
CIE-LABlab(75.50, -30.50, -19.59)
CIE-LCHlch(75.50, 36.25, 212.72°)
OKLaboklab(77.7% -0.1034 -0.0544)
OKLCHoklch(77.7% 0.117 207.8)
XYZxyz(36.6482, 49.0863, 75.9357)
Luminance0.4909 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42CBDD #DD5442
analogous
#42DDA2 #42CBDD #427EDD
triadic
#42CBDD #DD42CB #CBDD42
tetradic
#42CBDD #A242DD #DD5442 #7EDD42
square
#42CBDD #A242DD #DD5442 #7EDD42
split-complementary
#42CBDD #DD427E #DDA242
monochromatic
#197E8C #22ADBF #42CBDD #76D9E6 #AAE8F0

Accessibility & contrast

On white

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

On black

10.82
#42CBDD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CBDD
10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42CBDD#FFFFFF#000000##000000
##42CBDD1.001.9410.8210.82
#FFFFFF1.941.0021.0021.00
#00000010.8221.001.001.00
##00000010.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#BAC3DE
Deuteranopia (green-blind)
#A4B3DD
Tritanopia (blue-blind)
#00D4D0
Achromatopsia (no color)
#BABABA

Design tokens & code

CSS
--color: #42cbdd;
/* rgb */ color: rgb(66, 203, 221);
/* oklch */ color: oklch(77.7% 0.117 207.8);
Tailwind
colors: {
  custom: {
    50: '#8bdbe7',
    500: '#42cbdd',
    950: '#000000',
  },
}
SCSS
$custom: #42cbdd;
$custom-light: #8bdbe7;
$custom-dark: #000000;
JSON
{
  "hex": "#42cbdd",
  "rgb": {
    "r": 66,
    "g": 203,
    "b": 221
  },
  "hsl": {
    "h": 186.968,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.77703,
    "c": 0.11689,
    "h": 207.8
  },
  "luminance": 0.49091
}

Semantic roles & 50–950 ramp

primary
#42CBDD
secondary
#DDA59D
accent
#503BEC
background
#F9FDFE
surface
#F2FBFC
border
#CCD4D5
text
#0E1516
muted
#7E8384

Preview Lab

Preview with #42CBDD

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

Preview Lab → · Contrast checker → · Palette generator →

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