#40D1DB#40D1DB

#40D1DB is a light, moderate teal. Relative luminance 0.518; OKLCH L 79.0% C 0.120 H 201.8°. Best body text is #000000 at 11.36:1 contrast (WCAG AA passes).

Color values

HEX#40D1DB
RGBrgb(64, 209, 219)
HSLhsl(184, 68%, 55%)
HSVhsv(184, 71%, 86%)
CMYKcmyk(70.8%, 4.6%, 0%, 14.1%)
CIE-LABlab(77.16, -34.20, -16.02)
CIE-LCHlch(77.16, 37.77, 205.10°)
OKLaboklab(79.01% -0.1109 -0.0445)
OKLCHoklch(79.01% 0.12 201.8)
XYZxyz(37.6953, 51.8009, 75.0160)
Luminance0.5181 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D1DB #DB4A40
analogous
#40DB97 #40D1DB #4083DB
triadic
#40D1DB #DB40D1 #D1DB40
tetradic
#40D1DB #9740DB #DB4A40 #83DB40
square
#40D1DB #9740DB #DB4A40 #83DB40
split-complementary
#40D1DB #DB4083 #DB9740
monochromatic
#198087 #23B1BB #40D1DB #73DDE5 #A7EAEE

Accessibility & contrast

On white

1.85
#40D1DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.36
#40D1DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D1DB
11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D1DB#FFFFFF#000000##000000
##40D1DB1.001.8511.3611.36
#FFFFFF1.851.0021.0021.00
#00000011.3621.001.001.00
##00000011.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#C1C8DC
Deuteranopia (green-blind)
#ABB8DC
Tritanopia (blue-blind)
#00D9D4
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #40d1db;
/* rgb */ color: rgb(64, 209, 219);
/* oklch */ color: oklch(79.0% 0.120 201.8);
Tailwind
colors: {
  custom: {
    50: '#8bdfe6',
    500: '#40d1db',
    950: '#000000',
  },
}
SCSS
$custom: #40d1db;
$custom-light: #8bdfe6;
$custom-dark: #000000;
JSON
{
  "hex": "#40d1db",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 219
  },
  "hsl": {
    "h": 183.871,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.79009,
    "c": 0.11951,
    "h": 201.8
  },
  "luminance": 0.51805
}

Semantic roles & 50–950 ramp

primary
#40D1DB
secondary
#8D3832
accent
#483DEB
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1515
muted
#7F8484

Preview Lab

Preview with #40D1DB

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

Preview Lab → · Contrast checker → · Palette generator →

#40D1DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva