#40C0BB#40C0BB

#40C0BB is a light, moderate teal. Relative luminance 0.424; OKLCH L 73.8% C 0.110 H 191.3°. Best body text is #000000 at 9.48:1 contrast (WCAG AA passes).

Color values

HEX#40C0BB
RGBrgb(64, 192, 187)
HSLhsl(178, 50%, 50%)
HSVhsv(178, 67%, 75%)
CMYKcmyk(66.7%, 0%, 2.6%, 24.7%)
CIE-LABlab(71.13, -35.38, -7.70)
CIE-LCHlch(71.13, 36.21, 192.28°)
OKLaboklab(73.8% -0.1077 -0.0215)
OKLCHoklch(73.8% 0.11 191.3)
XYZxyz(29.9296, 42.3737, 53.6057)
Luminance0.4238 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40C0BB #C04045
analogous
#40C07B #40C0BB #4085C0
triadic
#40C0BB #BB40C0 #C0BB40
tetradic
#40C0BB #7B40C0 #C04045 #85C040
square
#40C0BB #7B40C0 #C04045 #85C040
split-complementary
#40C0BB #C04085 #C07B40
monochromatic
#216462 #30928F #40C0BB #6ECFCB #9CDEDC

Accessibility & contrast

On white

2.22
#40C0BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.48
#40C0BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C0BB
9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40C0BB#FFFFFF#000000##000000
##40C0BB1.002.229.489.48
#FFFFFF2.221.0021.0021.00
#0000009.4821.001.001.00
##0000009.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5B6BB
Deuteranopia (green-blind)
#A2A8BC
Tritanopia (blue-blind)
#00C5BE
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #40c0bb;
/* rgb */ color: rgb(64, 192, 187);
/* oklch */ color: oklch(73.8% 0.110 191.3);
Tailwind
colors: {
  custom: {
    50: '#86d3cf',
    500: '#40c0bb',
    950: '#000000',
  },
}
SCSS
$custom: #40c0bb;
$custom-light: #86d3cf;
$custom-dark: #000000;
JSON
{
  "hex": "#40c0bb",
  "rgb": {
    "r": 64,
    "g": 192,
    "b": 187
  },
  "hsl": {
    "h": 177.656,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.73795,
    "c": 0.10982,
    "h": 191.3
  },
  "luminance": 0.42377
}

Semantic roles & 50–950 ramp

primary
#40C0BB
secondary
#CB9194
accent
#4E53DA
background
#F8FDFC
surface
#F0FAF9
border
#CBD3D2
text
#0C1413
muted
#7D8382

Preview Lab

Preview with #40C0BB

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

Preview Lab → · Contrast checker → · Palette generator →

#40C0BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva