#42BFCB#42BFCB

#42BFCB is a light, moderate teal. Relative luminance 0.427; OKLCH L 74.2% C 0.108 H 204.3°. Best body text is #000000 at 9.55:1 contrast (WCAG AA passes).

Color values

HEX#42BFCB
RGBrgb(66, 191, 203)
HSLhsl(185, 57%, 53%)
HSVhsv(185, 67%, 80%)
CMYKcmyk(67.5%, 5.9%, 0%, 20.4%)
CIE-LABlab(71.37, -30.02, -16.08)
CIE-LCHlch(71.37, 34.06, 208.17°)
OKLaboklab(74.17% -0.0989 -0.0446)
OKLCHoklch(74.17% 0.109 204.3)
XYZxyz(31.6524, 42.7281, 63.0675)
Luminance0.4273 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42BFCB #CB4E42
analogous
#42CB92 #42BFCB #427BCB
triadic
#42BFCB #CB42BF #BFCB42
tetradic
#42BFCB #9242CB #CB4E42 #7BCB42
square
#42BFCB #9242CB #CB4E42 #7BCB42
split-complementary
#42BFCB #CB427B #CB9242
monochromatic
#206C73 #2D99A3 #42BFCB #72CFD8 #A2E0E5

Accessibility & contrast

On white

2.20
#42BFCB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.55
#42BFCB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BFCB
9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42BFCB#FFFFFF#000000##000000
##42BFCB1.002.209.559.55
#FFFFFF2.201.0021.0021.00
#0000009.5521.001.001.00
##0000009.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#B0B7CC
Deuteranopia (green-blind)
#9CA8CB
Tritanopia (blue-blind)
#00C7C2
Achromatopsia (no color)
#AFAFAF

Design tokens & code

CSS
--color: #42bfcb;
/* rgb */ color: rgb(66, 191, 203);
/* oklch */ color: oklch(74.2% 0.108 204.3);
Tailwind
colors: {
  custom: {
    50: '#88d2da',
    500: '#42bfcb',
    950: '#000000',
  },
}
SCSS
$custom: #42bfcb;
$custom-light: #88d2da;
$custom-dark: #000000;
JSON
{
  "hex": "#42bfcb",
  "rgb": {
    "r": 66,
    "g": 191,
    "b": 203
  },
  "hsl": {
    "h": 185.255,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.74168,
    "c": 0.1085,
    "h": 204.3
  },
  "luminance": 0.42732
}

Semantic roles & 50–950 ramp

primary
#42BFCB
secondary
#D29C97
accent
#5548E0
background
#F9FCFD
surface
#F1F9FA
border
#CBD2D3
text
#0D1414
muted
#7E8283

Preview Lab

Preview with #42BFCB

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

Preview Lab → · Contrast checker → · Palette generator →

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