#40D1D8#40D1D8

#40D1D8 is a light, moderate teal. Relative luminance 0.516; OKLCH L 78.9% C 0.119 H 199.8°. Best body text is #000000 at 11.33:1 contrast (WCAG AA passes).

Color values

HEX#40D1D8
RGBrgb(64, 209, 216)
HSLhsl(183, 66%, 55%)
HSVhsv(183, 70%, 85%)
CMYKcmyk(70.4%, 3.2%, 0%, 15.3%)
CIE-LABlab(77.07, -35.07, -14.55)
CIE-LCHlch(77.07, 37.97, 202.53°)
OKLaboklab(78.9% -0.1122 -0.0404)
OKLCHoklch(78.9% 0.119 199.8)
XYZxyz(37.3040, 51.6444, 72.9548)
Luminance0.5165 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D1D8 #D84740
analogous
#40D893 #40D1D8 #4085D8
triadic
#40D1D8 #D840D1 #D1D840
tetradic
#40D1D8 #9340D8 #D84740 #85D840
square
#40D1D8 #9340D8 #D84740 #85D840
split-complementary
#40D1D8 #D84085 #D89340
monochromatic
#1B7E83 #25AFB6 #40D1D8 #73DDE2 #A6E9ED

Accessibility & contrast

On white

1.85
#40D1D8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.33
#40D1D8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D1D8
11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D1D8#FFFFFF#000000##000000
##40D1D81.001.8511.3311.33
#FFFFFF1.851.0021.0021.00
#00000011.3321.001.001.00
##00000011.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#C2C8D9
Deuteranopia (green-blind)
#ACB7D9
Tritanopia (blue-blind)
#00D9D3
Achromatopsia (no color)
#BEBEBE

Design tokens & code

CSS
--color: #40d1d8;
/* rgb */ color: rgb(64, 209, 216);
/* oklch */ color: oklch(78.9% 0.119 199.8);
Tailwind
colors: {
  custom: {
    50: '#8bdfe4',
    500: '#40d1d8',
    950: '#000000',
  },
}
SCSS
$custom: #40d1d8;
$custom-light: #8bdfe4;
$custom-dark: #000000;
JSON
{
  "hex": "#40d1d8",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 216
  },
  "hsl": {
    "h": 182.763,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.78901,
    "c": 0.11923,
    "h": 199.8
  },
  "luminance": 0.51649
}

Semantic roles & 50–950 ramp

primary
#40D1D8
secondary
#8A3733
accent
#473FE9
background
#FCFEFE
surface
#F4FCFC
border
#CED5D5
text
#0D1515
muted
#7F8484

Preview Lab

Preview with #40D1D8

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

Preview Lab → · Contrast checker → · Palette generator →

#40D1D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva