#40DBE9#40DBE9

#40DBE9 is a light, vivid teal. Relative luminance 0.576; OKLCH L 81.9% C 0.126 H 204.0°. Best body text is #000000 at 12.53:1 contrast (WCAG AA passes).

Color values

HEX#40DBE9
RGBrgb(64, 219, 233)
HSLhsl(185, 79%, 58%)
HSVhsv(185, 73%, 91%)
CMYKcmyk(72.5%, 6%, 0%, 8.6%)
CIE-LABlab(80.53, -34.81, -18.42)
CIE-LCHlch(80.53, 39.38, 207.89°)
OKLaboklab(81.88% -0.1148 -0.0512)
OKLCHoklch(81.88% 0.126 204)
XYZxyz(42.1474, 57.6312, 85.9776)
Luminance0.5764 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40DBE9 #E94E40
analogous
#40E9A2 #40DBE9 #4087E9
triadic
#40DBE9 #E940DB #DBE940
tetradic
#40DBE9 #A240E9 #E94E40 #87E940
square
#40DBE9 #A240E9 #E94E40 #87E940
split-complementary
#40DBE9 #E94087 #E9A240
monochromatic
#12919D #18C4D3 #40DBE9 #77E5EF #AEF0F6

Accessibility & contrast

On white

1.68
#40DBE9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.53
#40DBE9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DBE9
12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40DBE9#FFFFFF#000000##000000
##40DBE91.001.6812.5312.53
#FFFFFF1.681.0021.0021.00
#00000012.5321.001.001.00
##00000012.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#C9D2EA
Deuteranopia (green-blind)
#B2C0EA
Tritanopia (blue-blind)
#00E4DF
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #40dbe9;
/* rgb */ color: rgb(64, 219, 233);
/* oklch */ color: oklch(81.9% 0.126 204.0);
Tailwind
colors: {
  custom: {
    50: '#8de6f0',
    500: '#40dbe9',
    950: '#000000',
  },
}
SCSS
$custom: #40dbe9;
$custom-light: #8de6f0;
$custom-dark: #000000;
JSON
{
  "hex": "#40dbe9",
  "rgb": {
    "r": 64,
    "g": 219,
    "b": 233
  },
  "hsl": {
    "h": 184.97,
    "s": 79.343,
    "l": 58.235
  },
  "oklch": {
    "l": 0.81884,
    "c": 0.12567,
    "h": 204
  },
  "luminance": 0.57636
}

Semantic roles & 50–950 ramp

primary
#40DBE9
secondary
#A0372E
accent
#4232F6
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0E1616
muted
#7F8485

Preview Lab

Preview with #40DBE9

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

Preview Lab → · Contrast checker → · Palette generator →

#40DBE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva