#40D8D8#40D8D8

#40D8D8 is a light, vivid teal. Relative luminance 0.552; OKLCH L 80.6% C 0.123 H 195.0°. Best body text is #000000 at 12.03:1 contrast (WCAG AA passes).

Color values

HEX#40D8D8
RGBrgb(64, 216, 216)
HSLhsl(180, 66%, 55%)
HSVhsv(180, 70%, 85%)
CMYKcmyk(70.4%, 0%, 0%, 15.3%)
CIE-LABlab(79.13, -38.31, -11.46)
CIE-LCHlch(79.13, 39.99, 196.65°)
OKLaboklab(80.57% -0.119 -0.0319)
OKLCHoklch(80.57% 0.123 195)
XYZxyz(39.0592, 55.1550, 73.5399)
Luminance0.5516 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D8D8 #D84040
analogous
#40D88C #40D8D8 #408CD8
triadic
#40D8D8 #D840D8 #D8D840
tetradic
#40D8D8 #8C40D8 #D84040 #8CD840
square
#40D8D8 #8C40D8 #D84040 #8CD840
split-complementary
#40D8D8 #D8408C #D88C40
monochromatic
#1B8383 #25B6B6 #40D8D8 #73E2E2 #A6EDED

Accessibility & contrast

On white

1.75
#40D8D8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.03
#40D8D8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D8D8
12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D8D8#FFFFFF#000000##000000
##40D8D81.001.7512.0312.03
#FFFFFF1.751.0021.0021.00
#00000012.0321.001.001.00
##00000012.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#CACED8
Deuteranopia (green-blind)
#B3BDD9
Tritanopia (blue-blind)
#00DFD8
Achromatopsia (no color)
#C4C4C4

Design tokens & code

CSS
--color: #40d8d8;
/* rgb */ color: rgb(64, 216, 216);
/* oklch */ color: oklch(80.6% 0.123 195.0);
Tailwind
colors: {
  custom: {
    50: '#8be4e4',
    500: '#40d8d8',
    950: '#000000',
  },
}
SCSS
$custom: #40d8d8;
$custom-light: #8be4e4;
$custom-dark: #000000;
JSON
{
  "hex": "#40d8d8",
  "rgb": {
    "r": 64,
    "g": 216,
    "b": 216
  },
  "hsl": {
    "h": 180,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.80574,
    "c": 0.12318,
    "h": 195
  },
  "luminance": 0.5516
}

Semantic roles & 50–950 ramp

primary
#40D8D8
secondary
#8A3333
accent
#3F3FE9
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1615
muted
#7F8484

Preview Lab

Preview with #40D8D8

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

Preview Lab → · Contrast checker → · Palette generator →

#40D8D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva