#40B8B2#40B8B2

#40B8B2 is a light, moderate teal. Relative luminance 0.386; OKLCH L 71.5% C 0.105 H 190.3°. Best body text is #000000 at 8.72:1 contrast (WCAG AA passes).

Color values

HEX#40B8B2
RGBrgb(64, 184, 178)
HSLhsl(177, 48%, 49%)
HSVhsv(177, 65%, 72%)
CMYKcmyk(65.2%, 0%, 3.3%, 27.8%)
CIE-LABlab(68.45, -34.15, -6.74)
CIE-LCHlch(68.45, 34.81, 191.17°)
OKLaboklab(71.53% -0.1034 -0.0188)
OKLCHoklch(71.53% 0.105 190.3)
XYZxyz(27.2871, 38.5823, 48.1199)
Luminance0.3859 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B8B2 #B84046
analogous
#40B876 #40B8B2 #4082B8
triadic
#40B8B2 #B240B8 #B8B240
tetradic
#40B8B2 #7640B8 #B84046 #82B840
square
#40B8B2 #7640B8 #B84046 #82B840
split-complementary
#40B8B2 #B84082 #B87640
monochromatic
#205D5A #308B86 #40B8B2 #6ACBC6 #97DBD8

Accessibility & contrast

On white

2.41
#40B8B2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.72
#40B8B2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B8B2
8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B8B2#FFFFFF#000000##000000
##40B8B21.002.418.728.72
#FFFFFF2.411.0021.0021.00
#0000008.7221.001.001.00
##0000008.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#AEAFB2
Deuteranopia (green-blind)
#9BA1B3
Tritanopia (blue-blind)
#00BDB6
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #40b8b2;
/* rgb */ color: rgb(64, 184, 178);
/* oklch */ color: oklch(71.5% 0.105 190.3);
Tailwind
colors: {
  custom: {
    50: '#84cec9',
    500: '#40b8b2',
    950: '#000000',
  },
}
SCSS
$custom: #40b8b2;
$custom-light: #84cec9;
$custom-dark: #000000;
JSON
{
  "hex": "#40b8b2",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 178
  },
  "hsl": {
    "h": 177,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.71532,
    "c": 0.10515,
    "h": 190.3
  },
  "luminance": 0.38585
}

Semantic roles & 50–950 ramp

primary
#40B8B2
secondary
#C78D90
accent
#5057D8
background
#F8FCFC
surface
#F0F9F8
border
#CBD2D1
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #40B8B2

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

Preview Lab → · Contrast checker → · Palette generator →

#40B8B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva