#40DCE9#40DCE9

#40DCE9 is a very light, vivid teal. Relative luminance 0.582; OKLCH L 82.1% C 0.126 H 203.3°. Best body text is #000000 at 12.63:1 contrast (WCAG AA passes).

Color values

HEX#40DCE9
RGBrgb(64, 220, 233)
HSLhsl(185, 79%, 58%)
HSVhsv(185, 73%, 91%)
CMYKcmyk(72.5%, 5.6%, 0%, 8.6%)
CIE-LABlab(80.82, -35.28, -17.98)
CIE-LCHlch(80.82, 39.60, 207.01°)
OKLaboklab(82.12% -0.1157 -0.0499)
OKLCHoklch(82.12% 0.126 203.3)
XYZxyz(42.4090, 58.1545, 86.0648)
Luminance0.5816 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40DCE9 #E94D40
analogous
#40E9A1 #40DCE9 #4088E9
triadic
#40DCE9 #E940DC #DCE940
tetradic
#40DCE9 #A140E9 #E94D40 #88E940
square
#40DCE9 #A140E9 #E94D40 #88E940
split-complementary
#40DCE9 #E94088 #E9A140
monochromatic
#12929D #18C5D3 #40DCE9 #77E6EF #AEF0F6

Accessibility & contrast

On white

1.66
#40DCE9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.63
#40DCE9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DCE9
12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40DCE9#FFFFFF#000000##000000
##40DCE91.001.6612.6312.63
#FFFFFF1.661.0021.0021.00
#00000012.6321.001.001.00
##00000012.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#CBD3EA
Deuteranopia (green-blind)
#B3C1EA
Tritanopia (blue-blind)
#00E5E0
Achromatopsia (no color)
#C9C9C9

Design tokens & code

CSS
--color: #40dce9;
/* rgb */ color: rgb(64, 220, 233);
/* oklch */ color: oklch(82.1% 0.126 203.3);
Tailwind
colors: {
  custom: {
    50: '#8de7f0',
    500: '#40dce9',
    950: '#000000',
  },
}
SCSS
$custom: #40dce9;
$custom-light: #8de7f0;
$custom-dark: #000000;
JSON
{
  "hex": "#40dce9",
  "rgb": {
    "r": 64,
    "g": 220,
    "b": 233
  },
  "hsl": {
    "h": 184.615,
    "s": 79.343,
    "l": 58.235
  },
  "oklch": {
    "l": 0.8212,
    "c": 0.12606,
    "h": 203.3
  },
  "luminance": 0.5816
}

Semantic roles & 50–950 ramp

primary
#40DCE9
secondary
#A0362E
accent
#4132F6
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0E1616
muted
#7F8485

Preview Lab

Preview with #40DCE9

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

Preview Lab → · Contrast checker → · Palette generator →

#40DCE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva