#40D1CF#40D1CF

#40D1CF is a light, moderate teal. Relative luminance 0.512; OKLCH L 78.6% C 0.119 H 193.6°. Best body text is #000000 at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#40D1CF
RGB	rgb(64, 209, 207)
HSL	hsl(179, 61%, 54%)
HSV	hsv(179, 69%, 82%)
CMYK	cmyk(69.4%, 0%, 1%, 18%)
CIE-LAB	lab(76.80, -37.64, -10.12)
CIE-LCH	lch(76.80, 38.97, 195.04°)
OKLab	oklab(78.59% -0.116 -0.0281)
OKLCH	oklch(78.59% 0.119 193.6)
XYZ	xyz(36.1722, 51.1917, 66.9940)
Luminance	0.5120 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D1CF #D14042

analogous

#40D186 #40D1CF #408AD1

triadic

#40D1CF #CF40D1 #D1CF40

tetradic

#40D1CF #8640D1 #D14042 #8AD140

square

#40D1CF #8640D1 #D14042 #8AD140

split-complementary

#40D1CF #D1408A #D18640

monochromatic

#1D7978 #29ABA9 #40D1CF #71DDDB #A3E9E8

Accessibility & contrast

On white

1.87

#40D1CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.24

#40D1CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D1CF

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D1CF	#FFFFFF	#000000	##000000
##40D1CF	1.00	1.87	11.24	11.24
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.24	21.00	1.00	1.00
##000000	11.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4C7CF

Deuteranopia (green-blind)

#AEB7D0

Tritanopia (blue-blind)

#00D7D0

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #40d1cf;
/* rgb */ color: rgb(64, 209, 207);
/* oklch */ color: oklch(78.6% 0.119 193.6);

Tailwind

colors: {
  custom: {
    50: '#8adfdd',
    500: '#40d1cf',
    950: '#000000',
  },
}

SCSS

$custom: #40d1cf;
$custom-light: #8adfdd;
$custom-dark: #000000;

JSON

{
  "hex": "#40d1cf",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 207
  },
  "hsl": {
    "h": 179.172,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.7859,
    "c": 0.11937,
    "h": 193.6
  },
  "luminance": 0.51196
}

Semantic roles & 50–950 ramp

primary

#40D1CF

secondary

#813435

accent

#4446E4

background

#FCFEFE

surface

#F4FCFC

border

#CED5D5

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #40D1CF

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

Preview Lab → · Contrast checker → · Palette generator →