#40B8B3#40B8B3

#40B8B3 is a light, moderate teal. Relative luminance 0.386; OKLCH L 71.6% C 0.105 H 191.1°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX#40B8B3
RGBrgb(64, 184, 179)
HSLhsl(178, 48%, 49%)
HSVhsv(178, 65%, 72%)
CMYKcmyk(65.2%, 0%, 2.7%, 27.8%)
CIE-LABlab(68.48, -33.87, -7.25)
CIE-LCHlch(68.48, 34.64, 192.08°)
OKLaboklab(71.57% -0.103 -0.0202)
OKLCHoklch(71.57% 0.105 191.1)
XYZxyz(27.3879, 38.6226, 48.6506)
Luminance0.3863 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B8B3 #B84045
analogous
#40B877 #40B8B3 #4081B8
triadic
#40B8B3 #B340B8 #B8B340
tetradic
#40B8B3 #7740B8 #B84045 #81B840
square
#40B8B3 #7740B8 #B84045 #81B840
split-complementary
#40B8B3 #B84081 #B87740
monochromatic
#205D5B #308B87 #40B8B3 #6ACBC7 #97DBD8

Accessibility & contrast

On white

2.41
#40B8B3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.73
#40B8B3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B8B3
8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B8B3#FFFFFF#000000##000000
##40B8B31.002.418.738.73
#FFFFFF2.411.0021.0021.00
#0000008.7321.001.001.00
##0000008.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#ADAFB3
Deuteranopia (green-blind)
#9BA1B4
Tritanopia (blue-blind)
#00BDB6
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #40b8b3;
/* rgb */ color: rgb(64, 184, 179);
/* oklch */ color: oklch(71.6% 0.105 191.1);
Tailwind
colors: {
  custom: {
    50: '#84cec9',
    500: '#40b8b3',
    950: '#000000',
  },
}
SCSS
$custom: #40b8b3;
$custom-light: #84cec9;
$custom-dark: #000000;
JSON
{
  "hex": "#40b8b3",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 179
  },
  "hsl": {
    "h": 177.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.71566,
    "c": 0.10497,
    "h": 191.1
  },
  "luminance": 0.38626
}

Semantic roles & 50–950 ramp

primary
#40B8B3
secondary
#C78D8F
accent
#5056D8
background
#F8FCFC
surface
#F0F9F8
border
#CBD2D1
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #40B8B3

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

Preview Lab → · Contrast checker → · Palette generator →

#40B8B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva