#40D3BF#40D3BF

#40D3BF is a light, vivid teal. Relative luminance 0.514; OKLCH L 78.6% C 0.125 H 181.9°. Best body text is #000000 at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#40D3BF
RGB	rgb(64, 211, 191)
HSL	hsl(172, 63%, 54%)
HSV	hsv(172, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 9.5%, 17.3%)
CIE-LAB	lab(76.94, -42.89, -1.29)
CIE-LCH	lch(76.94, 42.91, 181.73°)
OKLab	oklab(78.56% -0.125 -0.0042)
OKLCH	oklch(78.56% 0.125 181.9)
XYZ	xyz(34.8081, 51.4361, 57.3738)
Luminance	0.5144 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3BF #D34054

analogous

#40D376 #40D3BF #409ED3

triadic

#40D3BF #BF40D3 #D3BF40

tetradic

#40D3BF #7640D3 #D34054 #9ED340

square

#40D3BF #7640D3 #D34054 #9ED340

split-complementary

#40D3BF #D3409E #D37640

monochromatic

#1D7C6F #28AE9C #40D3BF #72DED0 #A3EAE0

Accessibility & contrast

On white

1.86

#40D3BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.29

#40D3BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3BF

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3BF	#FFFFFF	#000000	##000000
##40D3BF	1.00	1.86	11.29	11.29
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.29	21.00	1.00	1.00
##000000	11.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9C7BE

Deuteranopia (green-blind)

#B5B8C1

Tritanopia (blue-blind)

#00D7CD

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #40d3bf;
/* rgb */ color: rgb(64, 211, 191);
/* oklch */ color: oklch(78.6% 0.125 181.9);

Tailwind

colors: {
  custom: {
    50: '#89e1d2',
    500: '#40d3bf',
    950: '#000000',
  },
}

SCSS

$custom: #40d3bf;
$custom-light: #89e1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3bf",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 191
  },
  "hsl": {
    "h": 171.837,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.78561,
    "c": 0.12511,
    "h": 181.9
  },
  "luminance": 0.5144
}

Semantic roles & 50–950 ramp

primary

#40D3BF

secondary

#84333E

accent

#4258E6

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1514

muted

#7F8483

Preview Lab

Preview with #40D3BF

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

Preview Lab → · Contrast checker → · Palette generator →