#40DBEF#40DBEF

#40DBEF is a very light, vivid teal. Relative luminance 0.580; OKLCH L 82.1% C 0.127 H 207.8°. Best body text is #000000 at 12.60:1 contrast (WCAG AA passes).

Color values

HEX#40DBEF
RGBrgb(64, 219, 239)
HSLhsl(187, 85%, 59%)
HSVhsv(187, 73%, 94%)
CMYKcmyk(73.2%, 8.4%, 0%, 6.3%)
CIE-LABlab(80.73, -33.04, -21.32)
CIE-LCHlch(80.73, 39.32, 212.84°)
OKLaboklab(82.11% -0.1124 -0.0593)
OKLCHoklch(82.11% 0.127 207.8)
XYZxyz(43.0191, 57.9798, 90.5686)
Luminance0.5798 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40DBEF #EF5440
analogous
#40EFAC #40DBEF #4084EF
triadic
#40DBEF #EF40DB #DBEF40
tetradic
#40DBEF #AC40EF #EF5440 #84EF40
square
#40DBEF #AC40EF #EF5440 #84EF40
split-complementary
#40DBEF #EF4084 #EFAC40
monochromatic
#0E95A7 #13C8DF #40DBEF #78E6F4 #B1F0F8

Accessibility & contrast

On white

1.67
#40DBEF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.60
#40DBEF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DBEF
12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40DBEF#FFFFFF#000000##000000
##40DBEF1.001.6712.6012.60
#FFFFFF1.671.0021.0021.00
#00000012.6021.001.001.00
##00000012.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#C8D3F0
Deuteranopia (green-blind)
#B0C1EF
Tritanopia (blue-blind)
#00E5E1
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #40dbef;
/* rgb */ color: rgb(64, 219, 239);
/* oklch */ color: oklch(82.1% 0.127 207.8);
Tailwind
colors: {
  custom: {
    50: '#8ee6f4',
    500: '#40dbef',
    950: '#000000',
  },
}
SCSS
$custom: #40dbef;
$custom-light: #8ee6f4;
$custom-dark: #000000;
JSON
{
  "hex": "#40dbef",
  "rgb": {
    "r": 64,
    "g": 219,
    "b": 239
  },
  "hsl": {
    "h": 186.857,
    "s": 84.541,
    "l": 59.412
  },
  "oklch": {
    "l": 0.82106,
    "c": 0.12705,
    "h": 207.8
  },
  "luminance": 0.57985
}

Semantic roles & 50–950 ramp

primary
#40DBEF
secondary
#A8392B
accent
#452DFB
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0E1617
muted
#7F8485

Preview Lab

Preview with #40DBEF

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

Preview Lab → · Contrast checker → · Palette generator →

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