#40D3D6#40D3D6

#40D3D6 is a light, vivid teal. Relative luminance 0.525; OKLCH L 79.3% C 0.120 H 197.0°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#40D3D6
RGB	rgb(64, 211, 214)
HSL	hsl(181, 65%, 55%)
HSV	hsv(181, 70%, 84%)
CMYK	cmyk(70.1%, 1.4%, 0%, 16.1%)
CIE-LAB	lab(77.60, -36.58, -12.68)
CIE-LCH	lch(77.60, 38.72, 199.12°)
OKLab	oklab(79.31% -0.115 -0.0352)
OKLCH	oklch(79.31% 0.12 197)
XYZ	xyz(37.5407, 52.5291, 71.7659)
Luminance	0.5253 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3D6 #D64340

analogous

#40D68E #40D3D6 #4088D6

triadic

#40D3D6 #D640D3 #D3D640

tetradic

#40D3D6 #8E40D6 #D64340 #88D640

square

#40D3D6 #8E40D6 #D64340 #88D640

split-complementary

#40D3D6 #D64088 #D68E40

monochromatic

#1B7E80 #26B0B2 #40D3D6 #72DFE1 #A5EAEC

Accessibility & contrast

On white

1.83

#40D3D6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.51

#40D3D6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3D6

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3D6	#FFFFFF	#000000	##000000
##40D3D6	1.00	1.83	11.51	11.51
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.51	21.00	1.00	1.00
##000000	11.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5C9D6

Deuteranopia (green-blind)

#AFB9D7

Tritanopia (blue-blind)

#00DAD4

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #40d3d6;
/* rgb */ color: rgb(64, 211, 214);
/* oklch */ color: oklch(79.3% 0.120 197.0);

Tailwind

colors: {
  custom: {
    50: '#8be1e2',
    500: '#40d3d6',
    950: '#000000',
  },
}

SCSS

$custom: #40d3d6;
$custom-light: #8be1e2;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3d6",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 214
  },
  "hsl": {
    "h": 181.2,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.79309,
    "c": 0.12025,
    "h": 197
  },
  "luminance": 0.52534
}

Semantic roles & 50–950 ramp

primary

#40D3D6

secondary

#873533

accent

#4440E8

background

#FCFEFE

surface

#F4FCFC

border

#CED5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #40D3D6

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

Preview Lab → · Contrast checker → · Palette generator →