#40D6DF#40D6DF

#40D6DF is a light, vivid teal. Relative luminance 0.545; OKLCH L 80.3% C 0.122 H 201.0°. Best body text is #000000 at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#40D6DF
RGB	rgb(64, 214, 223)
HSL	hsl(183, 71%, 56%)
HSV	hsv(183, 71%, 87%)
CMYK	cmyk(71.3%, 4%, 0%, 12.5%)
CIE-LAB	lab(78.76, -35.39, -15.76)
CIE-LCH	lch(78.76, 38.74, 204.01°)
OKLab	oklab(80.34% -0.1141 -0.0438)
OKLCH	oklch(80.34% 0.122 201)
XYZ	xyz(39.4743, 54.5062, 78.2380)
Luminance	0.5451 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D6DF #DF4940

analogous

#40DF99 #40D6DF #4087DF

triadic

#40D6DF #DF40D6 #D6DF40

tetradic

#40D6DF #9940DF #DF4940 #87DF40

square

#40D6DF #9940DF #DF4940 #87DF40

split-complementary

#40D6DF #DF4087 #DF9940

monochromatic

#18868D #20B8C1 #40D6DF #74E1E8 #A9EDF1

Accessibility & contrast

On white

1.76

#40D6DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.90

#40D6DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D6DF

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D6DF	#FFFFFF	#000000	##000000
##40D6DF	1.00	1.76	11.90	11.90
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.90	21.00	1.00	1.00
##000000	11.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6CDE0

Deuteranopia (green-blind)

#AFBCE0

Tritanopia (blue-blind)

#00DED8

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #40d6df;
/* rgb */ color: rgb(64, 214, 223);
/* oklch */ color: oklch(80.3% 0.122 201.0);

Tailwind

colors: {
  custom: {
    50: '#8ce3e9',
    500: '#40d6df',
    950: '#000000',
  },
}

SCSS

$custom: #40d6df;
$custom-light: #8ce3e9;
$custom-dark: #000000;

JSON

{
  "hex": "#40d6df",
  "rgb": {
    "r": 64,
    "g": 214,
    "b": 223
  },
  "hsl": {
    "h": 183.396,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.80341,
    "c": 0.12222,
    "h": 201
  },
  "luminance": 0.54511
}

Semantic roles & 50–950 ramp

primary

#40D6DF

secondary

#923631

accent

#443AEE

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #40D6DF

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

Preview Lab → · Contrast checker → · Palette generator →