#40D1D9#40D1D9

#40D1D9 is a light, moderate teal. Relative luminance 0.517; OKLCH L 78.9% C 0.119 H 200.5°. Best body text is #000000 at 11.34:1 contrast (WCAG AA passes).

Color values

HEX#40D1D9
RGBrgb(64, 209, 217)
HSLhsl(183, 67%, 55%)
HSVhsv(183, 71%, 85%)
CMYKcmyk(70.5%, 3.7%, 0%, 14.9%)
CIE-LABlab(77.10, -34.79, -15.04)
CIE-LCHlch(77.10, 37.90, 203.38°)
OKLaboklab(78.94% -0.1118 -0.0417)
OKLCHoklch(78.94% 0.119 200.5)
XYZxyz(37.4336, 51.6963, 73.6377)
Luminance0.5170 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D1D9 #D94840
analogous
#40D994 #40D1D9 #4085D9
triadic
#40D1D9 #D940D1 #D1D940
tetradic
#40D1D9 #9440D9 #D94840 #85D940
square
#40D1D9 #9440D9 #D94840 #85D940
split-complementary
#40D1D9 #D94085 #D99440
monochromatic
#1A7F84 #24B0B7 #40D1D9 #73DDE3 #A6EAED

Accessibility & contrast

On white

1.85
#40D1D9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.34
#40D1D9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D1D9
11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D1D9#FFFFFF#000000##000000
##40D1D91.001.8511.3411.34
#FFFFFF1.851.0021.0021.00
#00000011.3421.001.001.00
##00000011.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#C2C8DA
Deuteranopia (green-blind)
#ABB7DA
Tritanopia (blue-blind)
#00D9D3
Achromatopsia (no color)
#BEBEBE

Design tokens & code

CSS
--color: #40d1d9;
/* rgb */ color: rgb(64, 209, 217);
/* oklch */ color: oklch(78.9% 0.119 200.5);
Tailwind
colors: {
  custom: {
    50: '#8bdfe4',
    500: '#40d1d9',
    950: '#000000',
  },
}
SCSS
$custom: #40d1d9;
$custom-light: #8bdfe4;
$custom-dark: #000000;
JSON
{
  "hex": "#40d1d9",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 217
  },
  "hsl": {
    "h": 183.137,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.78937,
    "c": 0.1193,
    "h": 200.5
  },
  "luminance": 0.51701
}

Semantic roles & 50–950 ramp

primary
#40D1D9
secondary
#8B3732
accent
#473EEA
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1515
muted
#7F8484

Preview Lab

Preview with #40D1D9

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

Preview Lab → · Contrast checker → · Palette generator →

#40D1D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva