#40C3DD#40C3DD

#40C3DD is a light, moderate teal. Relative luminance 0.453; OKLCH L 75.8% C 0.116 H 213.9°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX#40C3DD
RGBrgb(64, 195, 221)
HSLhsl(190, 70%, 56%)
HSVhsv(190, 71%, 87%)
CMYKcmyk(71%, 11.8%, 0%, 13.3%)
CIE-LABlab(73.11, -26.84, -23.23)
CIE-LCHlch(73.11, 35.50, 220.88°)
OKLaboklab(75.76% -0.0965 -0.0647)
OKLCHoklch(75.76% 0.116 213.9)
XYZxyz(34.6751, 45.3366, 75.3159)
Luminance0.4534 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40C3DD #DD5A40
analogous
#40DDA8 #40C3DD #4074DD
triadic
#40C3DD #DD40C3 #C3DD40
tetradic
#40C3DD #A840DD #DD5A40 #74DD40
square
#40C3DD #A840DD #DD5A40 #74DD40
split-complementary
#40C3DD #DD4074 #DDA840
monochromatic
#19778A #22A4BE #40C3DD #74D3E6 #A8E4EF

Accessibility & contrast

On white

2.09
#40C3DD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.07
#40C3DD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C3DD
10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40C3DD#FFFFFF#000000##000000
##40C3DD1.002.0910.0710.07
#FFFFFF2.091.0021.0021.00
#00000010.0721.001.001.00
##00000010.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B0BDDF
Deuteranopia (green-blind)
#9AADDD
Tritanopia (blue-blind)
#00CDCB
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #40c3dd;
/* rgb */ color: rgb(64, 195, 221);
/* oklch */ color: oklch(75.8% 0.116 213.9);
Tailwind
colors: {
  custom: {
    50: '#8ad5e7',
    500: '#40c3dd',
    950: '#000000',
  },
}
SCSS
$custom: #40c3dd;
$custom-light: #8ad5e7;
$custom-dark: #000000;
JSON
{
  "hex": "#40c3dd",
  "rgb": {
    "r": 64,
    "g": 195,
    "b": 221
  },
  "hsl": {
    "h": 189.936,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.75762,
    "c": 0.11618,
    "h": 213.9
  },
  "luminance": 0.45341
}

Semantic roles & 50–950 ramp

primary
#40C3DD
secondary
#DDA79C
accent
#593BED
background
#F9FDFE
surface
#F2FAFC
border
#CCD3D5
text
#0D1416
muted
#7E8384

Preview Lab

Preview with #40C3DD

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

Preview Lab → · Contrast checker → · Palette generator →

#40C3DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva