#40D6E3#40D6E3

#40D6E3 is a light, vivid teal. Relative luminance 0.547; OKLCH L 80.5% C 0.123 H 203.6°. Best body text is #000000 at 11.95:1 contrast (WCAG AA passes).

Color values

HEX#40D6E3
RGBrgb(64, 214, 227)
HSLhsl(185, 74%, 57%)
HSVhsv(185, 72%, 89%)
CMYKcmyk(71.8%, 5.7%, 0%, 11%)
CIE-LABlab(78.88, -34.22, -17.71)
CIE-LCHlch(78.88, 38.53, 207.37°)
OKLaboklab(80.49% -0.1125 -0.0492)
OKLCHoklch(80.49% 0.123 203.6)
XYZxyz(40.0199, 54.7244, 81.1118)
Luminance0.5473 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D6E3 #E34D40
analogous
#40E39E #40D6E3 #4085E3
triadic
#40D6E3 #E340D6 #D6E340
tetradic
#40D6E3 #9E40E3 #E34D40 #85E340
square
#40D6E3 #9E40E3 #E34D40 #85E340
split-complementary
#40D6E3 #E34085 #E39E40
monochromatic
#168993 #1DBBC8 #40D6E3 #75E1EB #ABEDF3

Accessibility & contrast

On white

1.76
#40D6E3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.95
#40D6E3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D6E3
11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D6E3#FFFFFF#000000##000000
##40D6E31.001.7611.9511.95
#FFFFFF1.761.0021.0021.00
#00000011.9521.001.001.00
##00000011.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#C5CDE4
Deuteranopia (green-blind)
#AEBCE4
Tritanopia (blue-blind)
#00DFDA
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #40d6e3;
/* rgb */ color: rgb(64, 214, 227);
/* oklch */ color: oklch(80.5% 0.123 203.6);
Tailwind
colors: {
  custom: {
    50: '#8ce3eb',
    500: '#40d6e3',
    950: '#000000',
  },
}
SCSS
$custom: #40d6e3;
$custom-light: #8ce3eb;
$custom-dark: #000000;
JSON
{
  "hex": "#40d6e3",
  "rgb": {
    "r": 64,
    "g": 214,
    "b": 227
  },
  "hsl": {
    "h": 184.785,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.80485,
    "c": 0.12275,
    "h": 203.6
  },
  "luminance": 0.54729
}

Semantic roles & 50–950 ramp

primary
#40D6E3
secondary
#973830
accent
#4637F1
background
#FCFEFE
surface
#F5FCFD
border
#CFD5D5
text
#0E1516
muted
#7F8484

Preview Lab

Preview with #40D6E3

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

Preview Lab → · Contrast checker → · Palette generator →

#40D6E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva