#40E5DB#40E5DB

#40E5DB is a very light, vivid teal. Relative luminance 0.622; OKLCH L 83.8% C 0.132 H 188.9°. Best body text is #000000 at 13.45:1 contrast (WCAG AA passes).

Color values

HEX#40E5DB
RGBrgb(64, 229, 219)
HSLhsl(176, 76%, 57%)
HSVhsv(176, 72%, 90%)
CMYKcmyk(72.1%, 0%, 4.4%, 10.2%)
CIE-LABlab(83.04, -43.32, -7.24)
CIE-LCHlch(83.04, 43.92, 189.49°)
OKLaboklab(83.78% -0.1302 -0.0203)
OKLCHoklch(83.78% 0.132 188.9)
XYZxyz(42.9138, 62.2379, 76.7555)
Luminance0.6224 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40E5DB #E5404A
analogous
#40E589 #40E5DB #409CE5
triadic
#40E5DB #DB40E5 #E5DB40
tetradic
#40E5DB #8940E5 #E5404A #9CE540
square
#40E5DB #8940E5 #E5404A #9CE540
split-complementary
#40E5DB #E5409C #E58940
monochromatic
#14968E #1CCCC1 #40E5DB #76ECE5 #ACF4EF

Accessibility & contrast

On white

1.56
#40E5DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.45
#40E5DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E5DB
13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40E5DB#FFFFFF#000000##000000
##40E5DB1.001.5613.4513.45
#FFFFFF1.561.0021.0021.00
#00000013.4521.001.001.00
##00000013.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#D8D9DB
Deuteranopia (green-blind)
#C1C8DD
Tritanopia (blue-blind)
#00EBE2
Achromatopsia (no color)
#CFCFCF

Design tokens & code

CSS
--color: #40e5db;
/* rgb */ color: rgb(64, 229, 219);
/* oklch */ color: oklch(83.8% 0.132 188.9);
Tailwind
colors: {
  custom: {
    50: '#8deee6',
    500: '#40e5db',
    950: '#000000',
  },
}
SCSS
$custom: #40e5db;
$custom-light: #8deee6;
$custom-dark: #000000;
JSON
{
  "hex": "#40e5db",
  "rgb": {
    "r": 64,
    "g": 229,
    "b": 219
  },
  "hsl": {
    "h": 176.364,
    "s": 76.037,
    "l": 57.451
  },
  "oklch": {
    "l": 0.83779,
    "c": 0.13182,
    "h": 188.9
  },
  "luminance": 0.62243
}

Semantic roles & 50–950 ramp

primary
#40E5DB
secondary
#9A2F36
accent
#3541F3
background
#FCFFFE
surface
#F5FEFC
border
#CFD6D5
text
#0E1615
muted
#7F8584

Preview Lab

Preview with #40E5DB

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

Preview Lab → · Contrast checker → · Palette generator →

#40E5DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva