#40D9D3#40D9D3

#40D9D3 is a light, vivid teal. Relative luminance 0.554; OKLCH L 80.6% C 0.124 H 191.1°. Best body text is #000000 at 12.08:1 contrast (WCAG AA passes).

Color values

HEX#40D9D3
RGBrgb(64, 217, 211)
HSLhsl(178, 67%, 55%)
HSVhsv(178, 71%, 85%)
CMYKcmyk(70.5%, 0%, 2.8%, 14.9%)
CIE-LABlab(79.28, -40.16, -8.56)
CIE-LCHlch(79.28, 41.06, 192.04°)
OKLaboklab(80.65% -0.1221 -0.0239)
OKLCHoklch(80.65% 0.124 191.1)
XYZxyz(38.6796, 55.4143, 70.2729)
Luminance0.5542 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D9D3 #D94046
analogous
#40D986 #40D9D3 #4093D9
triadic
#40D9D3 #D340D9 #D9D340
tetradic
#40D9D3 #8640D9 #D94046 #93D940
square
#40D9D3 #8640D9 #D94046 #93D940
split-complementary
#40D9D3 #D94093 #D98640
monochromatic
#1A8480 #24B7B2 #40D9D3 #73E3DF #A6EDEB

Accessibility & contrast

On white

1.74
#40D9D3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.08
#40D9D3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9D3
12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D9D3#FFFFFF#000000##000000
##40D9D31.001.7412.0812.08
#FFFFFF1.741.0021.0021.00
#00000012.0821.001.001.00
##00000012.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#CCCED3
Deuteranopia (green-blind)
#B6BDD4
Tritanopia (blue-blind)
#00DFD7
Achromatopsia (no color)
#C4C4C4

Design tokens & code

CSS
--color: #40d9d3;
/* rgb */ color: rgb(64, 217, 211);
/* oklch */ color: oklch(80.6% 0.124 191.1);
Tailwind
colors: {
  custom: {
    50: '#8be5e0',
    500: '#40d9d3',
    950: '#000000',
  },
}
SCSS
$custom: #40d9d3;
$custom-light: #8be5e0;
$custom-dark: #000000;
JSON
{
  "hex": "#40d9d3",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 211
  },
  "hsl": {
    "h": 177.647,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.80646,
    "c": 0.12443,
    "h": 191.1
  },
  "luminance": 0.55419
}

Semantic roles & 50–950 ramp

primary
#40D9D3
secondary
#8B3236
accent
#3E45EA
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1615
muted
#7F8484

Preview Lab

Preview with #40D9D3

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

Preview Lab → · Contrast checker → · Palette generator →

#40D9D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva