#40B3BB#40B3BB

#40B3BB is a light, moderate teal. Relative luminance 0.369; OKLCH L 70.6% C 0.102 H 201.7°. Best body text is #000000 at 8.38:1 contrast (WCAG AA passes).

Color values

HEX#40B3BB
RGBrgb(64, 179, 187)
HSLhsl(184, 49%, 49%)
HSVhsv(184, 66%, 73%)
CMYKcmyk(65.8%, 4.3%, 0%, 26.7%)
CIE-LABlab(67.21, -29.18, -13.55)
CIE-LCHlch(67.21, 32.18, 204.91°)
OKLaboklab(70.63% -0.0943 -0.0376)
OKLCHoklch(70.63% 0.102 201.7)
XYZxyz(27.2002, 36.9150, 52.6959)
Luminance0.3692 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B3BB #BB4840
analogous
#40BB85 #40B3BB #4076BB
triadic
#40B3BB #BB40B3 #B3BB40
tetradic
#40B3BB #8540BB #BB4840 #76BB40
square
#40B3BB #8540BB #BB4840 #76BB40
split-complementary
#40B3BB #BB4076 #BB8540
monochromatic
#215C60 #30878D #40B3BB #6CC6CD #99D8DC

Accessibility & contrast

On white

2.50
#40B3BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.38
#40B3BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B3BB
8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B3BB#FFFFFF#000000##000000
##40B3BB1.002.508.388.38
#FFFFFF2.501.0021.0021.00
#0000008.3821.001.001.00
##0000008.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A6ABBC
Deuteranopia (green-blind)
#939EBC
Tritanopia (blue-blind)
#00BAB5
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #40b3bb;
/* rgb */ color: rgb(64, 179, 187);
/* oklch */ color: oklch(70.6% 0.102 201.7);
Tailwind
colors: {
  custom: {
    50: '#85cacf',
    500: '#40b3bb',
    950: '#000000',
  },
}
SCSS
$custom: #40b3bb;
$custom-light: #85cacf;
$custom-dark: #000000;
JSON
{
  "hex": "#40b3bb",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 187
  },
  "hsl": {
    "h": 183.902,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.70625,
    "c": 0.10155,
    "h": 201.7
  },
  "luminance": 0.36918
}

Semantic roles & 50–950 ramp

primary
#40B3BB
secondary
#C8928F
accent
#584FD9
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #40B3BB

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

Preview Lab → · Contrast checker → · Palette generator →

#40B3BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva