#40D9D9#40D9D9

#40D9D9 is a light, vivid teal. Relative luminance 0.557; OKLCH L 80.8% C 0.124 H 195.0°. Best body text is #000000 at 12.15:1 contrast (WCAG AA passes).

Color values

HEX#40D9D9
RGBrgb(64, 217, 217)
HSLhsl(180, 67%, 55%)
HSVhsv(180, 71%, 85%)
CMYKcmyk(70.5%, 0%, 0%, 14.9%)
CIE-LABlab(79.45, -38.49, -11.51)
CIE-LCHlch(79.45, 40.17, 196.65°)
OKLaboklab(80.85% -0.1195 -0.032)
OKLCHoklch(80.85% 0.124 195)
XYZxyz(39.4459, 55.7208, 74.3084)
Luminance0.5573 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D9D9 #D94040
analogous
#40D98C #40D9D9 #408CD9
triadic
#40D9D9 #D940D9 #D9D940
tetradic
#40D9D9 #8C40D9 #D94040 #8CD940
square
#40D9D9 #8C40D9 #D94040 #8CD940
split-complementary
#40D9D9 #D9408C #D98C40
monochromatic
#1A8484 #24B7B7 #40D9D9 #73E3E3 #A6EDED

Accessibility & contrast

On white

1.73
#40D9D9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.15
#40D9D9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9D9
12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D9D9#FFFFFF#000000##000000
##40D9D91.001.7312.1512.15
#FFFFFF1.731.0021.0021.00
#00000012.1521.001.001.00
##00000012.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#CBCED9
Deuteranopia (green-blind)
#B4BEDA
Tritanopia (blue-blind)
#00E0D9
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #40d9d9;
/* rgb */ color: rgb(64, 217, 217);
/* oklch */ color: oklch(80.8% 0.124 195.0);
Tailwind
colors: {
  custom: {
    50: '#8ce5e4',
    500: '#40d9d9',
    950: '#000000',
  },
}
SCSS
$custom: #40d9d9;
$custom-light: #8ce5e4;
$custom-dark: #000000;
JSON
{
  "hex": "#40d9d9",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 217
  },
  "hsl": {
    "h": 180,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.80847,
    "c": 0.12375,
    "h": 195
  },
  "luminance": 0.55725
}

Semantic roles & 50–950 ramp

primary
#40D9D9
secondary
#8B3232
accent
#3E3EEA
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1615
muted
#7F8484

Preview Lab

Preview with #40D9D9

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

Preview Lab → · Contrast checker → · Palette generator →

#40D9D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva