#40D3CF#40D3CF

#40D3CF is a light, vivid teal. Relative luminance 0.522; OKLCH L 79.1% C 0.121 H 192.3°. Best body text is #000000 at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#40D3CF
RGB	rgb(64, 211, 207)
HSL	hsl(178, 63%, 54%)
HSV	hsv(178, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 1.9%, 17.3%)
CIE-LAB	lab(77.39, -38.55, -9.23)
CIE-LCH	lch(77.39, 39.64, 193.47°)
OKLab	oklab(79.07% -0.118 -0.0257)
OKLCH	oklch(79.07% 0.121 192.3)
XYZ	xyz(36.6659, 52.1792, 67.1586)
Luminance	0.5218 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3CF #D34044

analogous

#40D386 #40D3CF #408ED3

triadic

#40D3CF #CF40D3 #D3CF40

tetradic

#40D3CF #8640D3 #D34044 #8ED340

square

#40D3CF #8640D3 #D34044 #8ED340

split-complementary

#40D3CF #D3408E #D38640

monochromatic

#1D7C79 #28AEAA #40D3CF #72DEDC #A3EAE8

Accessibility & contrast

On white

1.84

#40D3CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.44

#40D3CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3CF

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3CF	#FFFFFF	#000000	##000000
##40D3CF	1.00	1.84	11.44	11.44
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.44	21.00	1.00	1.00
##000000	11.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6C8CF

Deuteranopia (green-blind)

#B1B8D0

Tritanopia (blue-blind)

#00D9D1

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40d3cf;
/* rgb */ color: rgb(64, 211, 207);
/* oklch */ color: oklch(79.1% 0.121 192.3);

Tailwind

colors: {
  custom: {
    50: '#8ae1dd',
    500: '#40d3cf',
    950: '#000000',
  },
}

SCSS

$custom: #40d3cf;
$custom-light: #8ae1dd;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3cf",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 207
  },
  "hsl": {
    "h": 178.367,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.79071,
    "c": 0.12075,
    "h": 192.3
  },
  "luminance": 0.52184
}

Semantic roles & 50–950 ramp

primary

#40D3CF

secondary

#843336

accent

#4247E6

background

#FCFEFE

surface

#F4FCFC

border

#CED5D5

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #40D3CF

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

Preview Lab → · Contrast checker → · Palette generator →