#40D8D9#40D8D9

#40D8D9 is a light, vivid teal. Relative luminance 0.552; OKLCH L 80.6% C 0.123 H 195.6°. Best body text is #000000 at 12.04:1 contrast (WCAG AA passes).

Color values

HEX#40D8D9
RGBrgb(64, 216, 217)
HSLhsl(180, 67%, 55%)
HSVhsv(180, 71%, 85%)
CMYKcmyk(70.5%, 0.5%, 0%, 14.9%)
CIE-LABlab(79.16, -38.03, -11.95)
CIE-LCHlch(79.16, 39.86, 197.44°)
OKLaboklab(80.61% -0.1186 -0.0332)
OKLCHoklch(80.61% 0.123 195.6)
XYZxyz(39.1889, 55.2068, 74.2228)
Luminance0.5521 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D8D9 #D94140
analogous
#40D98D #40D8D9 #408CD9
triadic
#40D8D9 #D940D8 #D8D940
tetradic
#40D8D9 #8D40D9 #D94140 #8CD940
square
#40D8D9 #8D40D9 #D94140 #8CD940
split-complementary
#40D8D9 #D9408C #D98D40
monochromatic
#1A8484 #24B6B7 #40D8D9 #73E2E3 #A6EDED

Accessibility & contrast

On white

1.74
#40D8D9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.04
#40D8D9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D8D9
12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D8D9#FFFFFF#000000##000000
##40D8D91.001.7412.0412.04
#FFFFFF1.741.0021.0021.00
#00000012.0421.001.001.00
##00000012.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#CACED9
Deuteranopia (green-blind)
#B3BDDA
Tritanopia (blue-blind)
#00DFD8
Achromatopsia (no color)
#C4C4C4

Design tokens & code

CSS
--color: #40d8d9;
/* rgb */ color: rgb(64, 216, 217);
/* oklch */ color: oklch(80.6% 0.123 195.6);
Tailwind
colors: {
  custom: {
    50: '#8be4e4',
    500: '#40d8d9',
    950: '#000000',
  },
}
SCSS
$custom: #40d8d9;
$custom-light: #8be4e4;
$custom-dark: #000000;
JSON
{
  "hex": "#40d8d9",
  "rgb": {
    "r": 64,
    "g": 216,
    "b": 217
  },
  "hsl": {
    "h": 180.392,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.80608,
    "c": 0.12313,
    "h": 195.6
  },
  "luminance": 0.55211
}

Semantic roles & 50–950 ramp

primary
#40D8D9
secondary
#8B3332
accent
#3F3EEA
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1615
muted
#7F8484

Preview Lab

Preview with #40D8D9

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

Preview Lab → · Contrast checker → · Palette generator →

#40D8D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva