#40D9D8#40D9D8

#40D9D8 is a light, vivid teal. Relative luminance 0.557; OKLCH L 80.8% C 0.124 H 194.3°. Best body text is #000000 at 12.13:1 contrast (WCAG AA passes).

Color values

HEX#40D9D8
RGBrgb(64, 217, 216)
HSLhsl(180, 67%, 55%)
HSVhsv(180, 71%, 85%)
CMYKcmyk(70.5%, 0%, 0.5%, 14.9%)
CIE-LABlab(79.42, -38.77, -11.02)
CIE-LCHlch(79.42, 40.30, 195.87°)
OKLaboklab(80.81% -0.12 -0.0306)
OKLCHoklch(80.81% 0.124 194.3)
XYZxyz(39.3162, 55.6689, 73.6255)
Luminance0.5567 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D9D8 #D94041
analogous
#40D98C #40D9D8 #408DD9
triadic
#40D9D8 #D840D9 #D9D840
tetradic
#40D9D8 #8C40D9 #D94041 #8DD940
square
#40D9D8 #8C40D9 #D94041 #8DD940
split-complementary
#40D9D8 #D9408D #D98C40
monochromatic
#1A8484 #24B7B6 #40D9D8 #73E3E2 #A6EDED

Accessibility & contrast

On white

1.73
#40D9D8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.13
#40D9D8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9D8
12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D9D8#FFFFFF#000000##000000
##40D9D81.001.7312.1312.13
#FFFFFF1.731.0021.0021.00
#00000012.1321.001.001.00
##00000012.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#CBCED8
Deuteranopia (green-blind)
#B5BED9
Tritanopia (blue-blind)
#00E0D8
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #40d9d8;
/* rgb */ color: rgb(64, 217, 216);
/* oklch */ color: oklch(80.8% 0.124 194.3);
Tailwind
colors: {
  custom: {
    50: '#8be5e4',
    500: '#40d9d8',
    950: '#000000',
  },
}
SCSS
$custom: #40d9d8;
$custom-light: #8be5e4;
$custom-dark: #000000;
JSON
{
  "hex": "#40d9d8",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 216
  },
  "hsl": {
    "h": 179.608,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.80813,
    "c": 0.12381,
    "h": 194.3
  },
  "luminance": 0.55674
}

Semantic roles & 50–950 ramp

primary
#40D9D8
secondary
#8B3233
accent
#3E3FEA
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1615
muted
#7F8484

Preview Lab

Preview with #40D9D8

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

Preview Lab → · Contrast checker → · Palette generator →

#40D9D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva