#40B6CB#40B6CB

#40B6CB is a light, moderate teal. Relative luminance 0.389; OKLCH L 72.0% C 0.107 H 211.8°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX#40B6CB
RGBrgb(64, 182, 203)
HSLhsl(189, 57%, 52%)
HSVhsv(189, 68%, 80%)
CMYKcmyk(68.5%, 10.3%, 0%, 20.4%)
CIE-LABlab(68.65, -25.87, -20.21)
CIE-LCHlch(68.65, 32.83, 217.99°)
OKLaboklab(71.96% -0.0908 -0.0562)
OKLCHoklch(71.96% 0.107 211.8)
XYZxyz(29.6172, 38.8543, 62.4271)
Luminance0.3886 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B6CB #CB5540
analogous
#40CB9B #40B6CB #4070CB
triadic
#40B6CB #CB40B6 #B6CB40
tetradic
#40B6CB #9B40CB #CB5540 #70CB40
square
#40B6CB #9B40CB #CB5540 #70CB40
split-complementary
#40B6CB #CB4070 #CB9B40
monochromatic
#1F6572 #2C90A2 #40B6CB #70C8D8 #A0DBE5

Accessibility & contrast

On white

2.39
#40B6CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.77
#40B6CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B6CB
8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B6CB#FFFFFF#000000##000000
##40B6CB1.002.398.778.77
#FFFFFF2.391.0021.0021.00
#0000008.7721.001.001.00
##0000008.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5B0CC
Deuteranopia (green-blind)
#91A1CB
Tritanopia (blue-blind)
#00BFBC
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #40b6cb;
/* rgb */ color: rgb(64, 182, 203);
/* oklch */ color: oklch(72.0% 0.107 211.8);
Tailwind
colors: {
  custom: {
    50: '#86ccda',
    500: '#40b6cb',
    950: '#000000',
  },
}
SCSS
$custom: #40b6cb;
$custom-light: #86ccda;
$custom-dark: #000000;
JSON
{
  "hex": "#40b6cb",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 203
  },
  "hsl": {
    "h": 189.065,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.71957,
    "c": 0.10676,
    "h": 211.8
  },
  "luminance": 0.38858
}

Semantic roles & 50–950 ramp

primary
#40B6CB
secondary
#D29E95
accent
#5E47E0
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0D1315
muted
#7D8283

Preview Lab

Preview with #40B6CB

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

Preview Lab → · Contrast checker → · Palette generator →

#40B6CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva