#40D4CF#40D4CF

#40D4CF is a light, vivid teal. Relative luminance 0.527; OKLCH L 79.3% C 0.121 H 191.6°. Best body text is #000000 at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#40D4CF
RGB	rgb(64, 212, 207)
HSL	hsl(178, 63%, 54%)
HSV	hsv(178, 70%, 83%)
CMYK	cmyk(69.8%, 0%, 2.4%, 16.9%)
CIE-LAB	lab(77.68, -39.01, -8.79)
CIE-LCH	lch(77.68, 39.99, 192.70°)
OKLab	oklab(79.31% -0.119 -0.0245)
OKLCH	oklch(79.31% 0.121 191.6)
XYZ	xyz(36.9151, 52.6776, 67.2416)
Luminance	0.5268 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D4CF #D44045

analogous

#40D485 #40D4CF #408FD4

triadic

#40D4CF #CF40D4 #D4CF40

tetradic

#40D4CF #8540D4 #D44045 #8FD440

square

#40D4CF #8540D4 #D44045 #8FD440

split-complementary

#40D4CF #D4408F #D48540

monochromatic

#1C7D7A #27AFAB #40D4CF #72DFDC #A4EAE8

Accessibility & contrast

On white

1.82

#40D4CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.54

#40D4CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D4CF

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D4CF	#FFFFFF	#000000	##000000
##40D4CF	1.00	1.82	11.54	11.54
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.54	21.00	1.00	1.00
##000000	11.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7C9CF

Deuteranopia (green-blind)

#B2B9D0

Tritanopia (blue-blind)

#00DAD2

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #40d4cf;
/* rgb */ color: rgb(64, 212, 207);
/* oklch */ color: oklch(79.3% 0.121 191.6);

Tailwind

colors: {
  custom: {
    50: '#8ae2dd',
    500: '#40d4cf',
    950: '#000000',
  },
}

SCSS

$custom: #40d4cf;
$custom-light: #8ae2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#40d4cf",
  "rgb": {
    "r": 64,
    "g": 212,
    "b": 207
  },
  "hsl": {
    "h": 177.973,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.79312,
    "c": 0.12146,
    "h": 191.6
  },
  "luminance": 0.52682
}

Semantic roles & 50–950 ramp

primary

#40D4CF

secondary

#853336

accent

#4247E6

background

#FCFEFE

surface

#F4FCFC

border

#CED5D5

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #40D4CF

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

Preview Lab → · Contrast checker → · Palette generator →