#42B7BE#42B7BE

#42B7BE is a light, moderate teal. Relative luminance 0.387; OKLCH L 71.8% C 0.103 H 200.8°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX#42B7BE
RGBrgb(66, 183, 190)
HSLhsl(183, 49%, 50%)
HSVhsv(183, 65%, 75%)
CMYKcmyk(65.3%, 3.7%, 0%, 25.5%)
CIE-LABlab(68.56, -29.95, -13.18)
CIE-LCHlch(68.56, 32.72, 203.75°)
OKLaboklab(71.76% -0.0962 -0.0365)
OKLCHoklch(71.76% 0.103 200.8)
XYZxyz(28.4705, 38.7398, 54.6823)
Luminance0.3874 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42B7BE #BE4942
analogous
#42BE87 #42B7BE #4279BE
triadic
#42B7BE #BE42B7 #B7BE42
tetradic
#42B7BE #8742BE #BE4942 #79BE42
square
#42B7BE #8742BE #BE4942 #79BE42
split-complementary
#42B7BE #BE4279 #BE8742
monochromatic
#226063 #328C91 #42B7BE #70C8CE #9DDADD

Accessibility & contrast

On white

2.40
#42B7BE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.75
#42B7BE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B7BE
8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42B7BE#FFFFFF#000000##000000
##42B7BE1.002.408.758.75
#FFFFFF2.401.0021.0021.00
#0000008.7521.001.001.00
##0000008.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#AAAFBF
Deuteranopia (green-blind)
#97A1BF
Tritanopia (blue-blind)
#00BEB9
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #42b7be;
/* rgb */ color: rgb(66, 183, 190);
/* oklch */ color: oklch(71.8% 0.103 200.8);
Tailwind
colors: {
  custom: {
    50: '#86cdd1',
    500: '#42b7be',
    950: '#000000',
  },
}
SCSS
$custom: #42b7be;
$custom-light: #86cdd1;
$custom-dark: #000000;
JSON
{
  "hex": "#42b7be",
  "rgb": {
    "r": 66,
    "g": 183,
    "b": 190
  },
  "hsl": {
    "h": 183.387,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.71761,
    "c": 0.10291,
    "h": 200.8
  },
  "luminance": 0.38743
}

Semantic roles & 50–950 ramp

primary
#42B7BE
secondary
#CA9592
accent
#574FD8
background
#F8FCFC
surface
#F0F9F9
border
#CBD2D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #42B7BE

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

Preview Lab → · Contrast checker → · Palette generator →

#42B7BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva