#40D3CE#40D3CE

#40D3CE is a light, vivid teal. Relative luminance 0.521; OKLCH L 79.0% C 0.121 H 191.6°. Best body text is #000000 at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#40D3CE
RGB	rgb(64, 211, 206)
HSL	hsl(178, 63%, 54%)
HSV	hsv(178, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 2.4%, 17.3%)
CIE-LAB	lab(77.36, -38.83, -8.74)
CIE-LCH	lch(77.36, 39.80, 192.68°)
OKLab	oklab(79.04% -0.1184 -0.0244)
OKLCH	oklch(79.04% 0.121 191.6)
XYZ	xyz(36.5441, 52.1305, 66.5168)
Luminance	0.5213 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3CE #D34045

analogous

#40D385 #40D3CE #408FD3

triadic

#40D3CE #CE40D3 #D3CE40

tetradic

#40D3CE #8540D3 #D34045 #8FD340

square

#40D3CE #8540D3 #D34045 #8FD340

split-complementary

#40D3CE #D3408F #D38540

monochromatic

#1D7C79 #28AEA9 #40D3CE #72DEDB #A3EAE8

Accessibility & contrast

On white

1.84

#40D3CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.43

#40D3CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3CE

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3CE	#FFFFFF	#000000	##000000
##40D3CE	1.00	1.84	11.43	11.43
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.43	21.00	1.00	1.00
##000000	11.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6C8CE

Deuteranopia (green-blind)

#B1B8CF

Tritanopia (blue-blind)

#00D9D1

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40d3ce;
/* rgb */ color: rgb(64, 211, 206);
/* oklch */ color: oklch(79.0% 0.121 191.6);

Tailwind

colors: {
  custom: {
    50: '#8ae1dc',
    500: '#40d3ce',
    950: '#000000',
  },
}

SCSS

$custom: #40d3ce;
$custom-light: #8ae1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3ce",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 206
  },
  "hsl": {
    "h": 177.959,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.79038,
    "c": 0.12089,
    "h": 191.6
  },
  "luminance": 0.52135
}

Semantic roles & 50–950 ramp

primary

#40D3CE

secondary

#843336

accent

#4248E6

background

#FCFEFE

surface

#F4FCFC

border

#CED5D5

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #40D3CE

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

Preview Lab → · Contrast checker → · Palette generator →