#40DCDF#40DCDF

#40DCDF is a light, vivid teal. Relative luminance 0.576; OKLCH L 81.8% C 0.125 H 196.9°. Best body text is #000000 at 12.52:1 contrast (WCAG AA passes).

Color values

HEX#40DCDF
RGBrgb(64, 220, 223)
HSLhsl(181, 71%, 56%)
HSVhsv(181, 71%, 87%)
CMYKcmyk(71.3%, 1.3%, 0%, 12.5%)
CIE-LABlab(80.52, -38.16, -13.12)
CIE-LCHlch(80.52, 40.35, 198.98°)
OKLaboklab(81.77% -0.1199 -0.0365)
OKLCHoklch(81.77% 0.125 196.9)
XYZxyz(41.0208, 57.5992, 78.7535)
Luminance0.5760 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40DCDF #DF4340
analogous
#40DF93 #40DCDF #408DDF
triadic
#40DCDF #DF40DC #DCDF40
tetradic
#40DCDF #9340DF #DF4340 #8DDF40
square
#40DCDF #9340DF #DF4340 #8DDF40
split-complementary
#40DCDF #DF408D #DF9340
monochromatic
#188B8D #20BEC1 #40DCDF #74E6E8 #A9EFF1

Accessibility & contrast

On white

1.68
#40DCDF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.52
#40DCDF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DCDF
12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40DCDF#FFFFFF#000000##000000
##40DCDF1.001.6812.5212.52
#FFFFFF1.681.0021.0021.00
#00000012.5221.001.001.00
##00000012.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#CDD2DF
Deuteranopia (green-blind)
#B6C1E0
Tritanopia (blue-blind)
#00E3DC
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #40dcdf;
/* rgb */ color: rgb(64, 220, 223);
/* oklch */ color: oklch(81.8% 0.125 196.9);
Tailwind
colors: {
  custom: {
    50: '#8ce7e9',
    500: '#40dcdf',
    950: '#000000',
  },
}
SCSS
$custom: #40dcdf;
$custom-light: #8ce7e9;
$custom-dark: #000000;
JSON
{
  "hex": "#40dcdf",
  "rgb": {
    "r": 64,
    "g": 220,
    "b": 223
  },
  "hsl": {
    "h": 181.132,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.81767,
    "c": 0.12531,
    "h": 196.9
  },
  "luminance": 0.57604
}

Semantic roles & 50–950 ramp

primary
#40DCDF
secondary
#923331
accent
#3D3AEE
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1616
muted
#7F8484

Preview Lab

Preview with #40DCDF

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

Preview Lab → · Contrast checker → · Palette generator →

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