#40D3CC#40D3CC

#40D3CC is a light, vivid teal. Relative luminance 0.520; OKLCH L 79.0% C 0.121 H 190.3°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#40D3CC
RGB	rgb(64, 211, 204)
HSL	hsl(177, 63%, 54%)
HSV	hsv(177, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 3.3%, 17.3%)
CIE-LAB	lab(77.30, -39.39, -7.75)
CIE-LCH	lch(77.30, 40.14, 191.13°)
OKLab	oklab(78.97% -0.1193 -0.0217)
OKLCH	oklch(78.97% 0.121 190.3)
XYZ	xyz(36.3027, 52.0339, 65.2453)
Luminance	0.5204 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3CC #D34047

analogous

#40D383 #40D3CC #4091D3

triadic

#40D3CC #CC40D3 #D3CC40

tetradic

#40D3CC #8340D3 #D34047 #91D340

square

#40D3CC #8340D3 #D34047 #91D340

split-complementary

#40D3CC #D34091 #D38340

monochromatic

#1D7C77 #28AEA7 #40D3CC #72DED9 #A3EAE7

Accessibility & contrast

On white

1.84

#40D3CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#40D3CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3CC

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3CC	#FFFFFF	#000000	##000000
##40D3CC	1.00	1.84	11.41	11.41
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.41	21.00	1.00	1.00
##000000	11.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7C8CC

Deuteranopia (green-blind)

#B1B8CD

Tritanopia (blue-blind)

#00D9D0

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40d3cc;
/* rgb */ color: rgb(64, 211, 204);
/* oklch */ color: oklch(79.0% 0.121 190.3);

Tailwind

colors: {
  custom: {
    50: '#8ae1db',
    500: '#40d3cc',
    950: '#000000',
  },
}

SCSS

$custom: #40d3cc;
$custom-light: #8ae1db;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3cc",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 204
  },
  "hsl": {
    "h": 177.143,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.78972,
    "c": 0.12123,
    "h": 190.3
  },
  "luminance": 0.52038
}

Semantic roles & 50–950 ramp

primary

#40D3CC

secondary

#843337

accent

#424AE6

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #40D3CC

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

Preview Lab → · Contrast checker → · Palette generator →