#40D9CE#40D9CE

#40D9CE is a light, vivid teal. Relative luminance 0.552; OKLCH L 80.5% C 0.125 H 187.9°. Best body text is #000000 at 12.03:1 contrast (WCAG AA passes).

Color values

HEX#40D9CE
RGBrgb(64, 217, 206)
HSLhsl(176, 67%, 55%)
HSVhsv(176, 71%, 85%)
CMYKcmyk(70.5%, 0%, 5.1%, 14.9%)
CIE-LABlab(79.14, -41.53, -6.10)
CIE-LCHlch(79.14, 41.98, 188.36°)
OKLaboklab(80.48% -0.1243 -0.0172)
OKLCHoklch(80.48% 0.125 187.9)
XYZxyz(38.0626, 55.1674, 67.0229)
Luminance0.5517 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D9CE #D9404B
analogous
#40D981 #40D9CE #4098D9
triadic
#40D9CE #CE40D9 #D9CE40
tetradic
#40D9CE #8140D9 #D9404B #98D940
square
#40D9CE #8140D9 #D9404B #98D940
split-complementary
#40D9CE #D94098 #D98140
monochromatic
#1A847D #24B7AD #40D9CE #73E3DB #A6EDE8

Accessibility & contrast

On white

1.74
#40D9CE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.03
#40D9CE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9CE
12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D9CE#FFFFFF#000000##000000
##40D9CE1.001.7412.0312.03
#FFFFFF1.741.0021.0021.00
#00000012.0321.001.001.00
##00000012.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#CDCDCE
Deuteranopia (green-blind)
#B7BDCF
Tritanopia (blue-blind)
#00DED5
Achromatopsia (no color)
#C4C4C4

Design tokens & code

CSS
--color: #40d9ce;
/* rgb */ color: rgb(64, 217, 206);
/* oklch */ color: oklch(80.5% 0.125 187.9);
Tailwind
colors: {
  custom: {
    50: '#8be5dc',
    500: '#40d9ce',
    950: '#000000',
  },
}
SCSS
$custom: #40d9ce;
$custom-light: #8be5dc;
$custom-dark: #000000;
JSON
{
  "hex": "#40d9ce",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 206
  },
  "hsl": {
    "h": 175.686,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.80484,
    "c": 0.12547,
    "h": 187.9
  },
  "luminance": 0.55172
}

Semantic roles & 50–950 ramp

primary
#40D9CE
secondary
#8B3239
accent
#3E4AEA
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1615
muted
#7F8484

Preview Lab

Preview with #40D9CE

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

Preview Lab → · Contrast checker → · Palette generator →

#40D9CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva