#40C4DD#40C4DD

#40C4DD is a light, moderate teal. Relative luminance 0.458; OKLCH L 76.0% C 0.116 H 213.1°. Best body text is #000000 at 10.16:1 contrast (WCAG AA passes).

Color values

HEX#40C4DD
RGBrgb(64, 196, 221)
HSLhsl(190, 70%, 56%)
HSVhsv(190, 71%, 87%)
CMYKcmyk(71%, 11.3%, 0%, 13.3%)
CIE-LABlab(73.41, -27.33, -22.79)
CIE-LCHlch(73.41, 35.59, 219.82°)
OKLaboklab(76% -0.0975 -0.0635)
OKLCHoklch(76% 0.116 213.1)
XYZxyz(34.8999, 45.7862, 75.3909)
Luminance0.4579 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40C4DD #DD5940
analogous
#40DDA7 #40C4DD #4075DD
triadic
#40C4DD #DD40C4 #C4DD40
tetradic
#40C4DD #A740DD #DD5940 #75DD40
square
#40C4DD #A740DD #DD5940 #75DD40
split-complementary
#40C4DD #DD4075 #DDA740
monochromatic
#19788A #22A5BE #40C4DD #74D4E6 #A8E4EF

Accessibility & contrast

On white

2.07
#40C4DD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.16
#40C4DD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C4DD
10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40C4DD#FFFFFF#000000##000000
##40C4DD1.002.0710.1610.16
#FFFFFF2.071.0021.0021.00
#00000010.1621.001.001.00
##00000010.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B1BDDE
Deuteranopia (green-blind)
#9BADDD
Tritanopia (blue-blind)
#00CECC
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #40c4dd;
/* rgb */ color: rgb(64, 196, 221);
/* oklch */ color: oklch(76.0% 0.116 213.1);
Tailwind
colors: {
  custom: {
    50: '#8ad6e7',
    500: '#40c4dd',
    950: '#000000',
  },
}
SCSS
$custom: #40c4dd;
$custom-light: #8ad6e7;
$custom-dark: #000000;
JSON
{
  "hex": "#40c4dd",
  "rgb": {
    "r": 64,
    "g": 196,
    "b": 221
  },
  "hsl": {
    "h": 189.554,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.75999,
    "c": 0.11629,
    "h": 213.1
  },
  "luminance": 0.4579
}

Semantic roles & 50–950 ramp

primary
#40C4DD
secondary
#DDA69C
accent
#573BED
background
#F9FDFE
surface
#F2FAFC
border
#CCD3D5
text
#0D1416
muted
#7E8384

Preview Lab

Preview with #40C4DD

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

Preview Lab → · Contrast checker → · Palette generator →

#40C4DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva