#40D3D9#40D3D9

#40D3D9 is a light, vivid teal. Relative luminance 0.527; OKLCH L 79.4% C 0.120 H 199.1°. Best body text is #000000 at 11.54:1 contrast (WCAG AA passes).

Color values

HEX#40D3D9
RGBrgb(64, 211, 217)
HSLhsl(182, 67%, 55%)
HSVhsv(182, 71%, 85%)
CMYKcmyk(70.5%, 2.8%, 0%, 14.9%)
CIE-LABlab(77.69, -35.72, -14.15)
CIE-LCHlch(77.69, 38.42, 201.62°)
OKLaboklab(79.41% -0.1137 -0.0393)
OKLCHoklch(79.41% 0.12 199.1)
XYZxyz(37.9274, 52.6838, 73.8023)
Luminance0.5269 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D3D9 #D94640
analogous
#40D993 #40D3D9 #4086D9
triadic
#40D3D9 #D940D3 #D3D940
tetradic
#40D3D9 #9340D9 #D94640 #86D940
square
#40D3D9 #9340D9 #D94640 #86D940
split-complementary
#40D3D9 #D94086 #D99340
monochromatic
#1A8084 #24B2B7 #40D3D9 #73DFE3 #A6EBED

Accessibility & contrast

On white

1.82
#40D3D9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.54
#40D3D9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3D9
11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D3D9#FFFFFF#000000##000000
##40D3D91.001.8211.5411.54
#FFFFFF1.821.0021.0021.00
#00000011.5421.001.001.00
##00000011.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#C4C9DA
Deuteranopia (green-blind)
#AEB9DA
Tritanopia (blue-blind)
#00DAD4
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #40d3d9;
/* rgb */ color: rgb(64, 211, 217);
/* oklch */ color: oklch(79.4% 0.120 199.1);
Tailwind
colors: {
  custom: {
    50: '#8be1e4',
    500: '#40d3d9',
    950: '#000000',
  },
}
SCSS
$custom: #40d3d9;
$custom-light: #8be1e4;
$custom-dark: #000000;
JSON
{
  "hex": "#40d3d9",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 217
  },
  "hsl": {
    "h": 182.353,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.79414,
    "c": 0.12031,
    "h": 199.1
  },
  "luminance": 0.52688
}

Semantic roles & 50–950 ramp

primary
#40D3D9
secondary
#8B3632
accent
#453EEA
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1515
muted
#7F8484

Preview Lab

Preview with #40D3D9

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

Preview Lab → · Contrast checker → · Palette generator →

#40D3D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva