#40B7BB#40B7BB

#40B7BB is a light, moderate teal. Relative luminance 0.385; OKLCH L 71.6% C 0.104 H 198.3°. Best body text is #000000 at 8.71:1 contrast (WCAG AA passes).

Color values

HEX#40B7BB
RGBrgb(64, 183, 187)
HSLhsl(182, 49%, 49%)
HSVhsv(182, 66%, 73%)
CMYKcmyk(65.8%, 2.1%, 0%, 26.7%)
CIE-LABlab(68.42, -31.12, -11.75)
CIE-LCHlch(68.42, 33.27, 200.68°)
OKLaboklab(71.6% -0.0985 -0.0326)
OKLCHoklch(71.6% 0.104 198.3)
XYZxyz(28.0135, 38.5417, 52.9670)
Luminance0.3855 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B7BB #BB4440
analogous
#40BB82 #40B7BB #407ABB
triadic
#40B7BB #BB40B7 #B7BB40
tetradic
#40B7BB #8240BB #BB4440 #7ABB40
square
#40B7BB #8240BB #BB4440 #7ABB40
split-complementary
#40B7BB #BB407A #BB8240
monochromatic
#215E60 #308A8D #40B7BB #6CC9CD #99DADC

Accessibility & contrast

On white

2.41
#40B7BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.71
#40B7BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B7BB
8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B7BB#FFFFFF#000000##000000
##40B7BB1.002.418.718.71
#FFFFFF2.411.0021.0021.00
#0000008.7121.001.001.00
##0000008.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#AAAFBB
Deuteranopia (green-blind)
#98A1BC
Tritanopia (blue-blind)
#00BDB8
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #40b7bb;
/* rgb */ color: rgb(64, 183, 187);
/* oklch */ color: oklch(71.6% 0.104 198.3);
Tailwind
colors: {
  custom: {
    50: '#85cdcf',
    500: '#40b7bb',
    950: '#000000',
  },
}
SCSS
$custom: #40b7bb;
$custom-light: #85cdcf;
$custom-dark: #000000;
JSON
{
  "hex": "#40b7bb",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 187
  },
  "hsl": {
    "h": 181.951,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.71599,
    "c": 0.10372,
    "h": 198.3
  },
  "luminance": 0.38545
}

Semantic roles & 50–950 ramp

primary
#40B7BB
secondary
#C8918F
accent
#544FD9
background
#F8FCFC
surface
#F0F9F9
border
#CBD2D2
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #40B7BB

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

Preview Lab → · Contrast checker → · Palette generator →

#40B7BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva