#40B6BB#40B6BB

#40B6BB is a light, moderate teal. Relative luminance 0.381; OKLCH L 71.4% C 0.103 H 199.1°. Best body text is #000000 at 8.63:1 contrast (WCAG AA passes).

Color values

HEX#40B6BB
RGBrgb(64, 182, 187)
HSLhsl(182, 49%, 49%)
HSVhsv(182, 66%, 73%)
CMYKcmyk(65.8%, 2.7%, 0%, 26.7%)
CIE-LABlab(68.12, -30.64, -12.20)
CIE-LCHlch(68.12, 32.98, 201.71°)
OKLaboklab(71.36% -0.0974 -0.0338)
OKLCHoklch(71.36% 0.103 199.1)
XYZxyz(27.8080, 38.1306, 52.8985)
Luminance0.3813 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B6BB #BB4540
analogous
#40BB83 #40B6BB #4079BB
triadic
#40B6BB #BB40B6 #B6BB40
tetradic
#40B6BB #8340BB #BB4540 #79BB40
square
#40B6BB #8340BB #BB4540 #79BB40
split-complementary
#40B6BB #BB4079 #BB8340
monochromatic
#215D60 #308A8D #40B6BB #6CC9CD #99D9DC

Accessibility & contrast

On white

2.43
#40B6BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.63
#40B6BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B6BB
8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B6BB#FFFFFF#000000##000000
##40B6BB1.002.438.638.63
#FFFFFF2.431.0021.0021.00
#0000008.6321.001.001.00
##0000008.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9AEBC
Deuteranopia (green-blind)
#97A0BC
Tritanopia (blue-blind)
#00BCB7
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #40b6bb;
/* rgb */ color: rgb(64, 182, 187);
/* oklch */ color: oklch(71.4% 0.103 199.1);
Tailwind
colors: {
  custom: {
    50: '#85cccf',
    500: '#40b6bb',
    950: '#000000',
  },
}
SCSS
$custom: #40b6bb;
$custom-light: #85cccf;
$custom-dark: #000000;
JSON
{
  "hex": "#40b6bb",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 187
  },
  "hsl": {
    "h": 182.439,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.71355,
    "c": 0.10314,
    "h": 199.1
  },
  "luminance": 0.38134
}

Semantic roles & 50–950 ramp

primary
#40B6BB
secondary
#C8918F
accent
#554FD9
background
#F8FCFC
surface
#F0F9F9
border
#CBD2D2
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #40B6BB

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

Preview Lab → · Contrast checker → · Palette generator →

#40B6BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva