#40D3D0#40D3D0

#40D3D0 is a light, vivid teal. Relative luminance 0.522; OKLCH L 79.1% C 0.121 H 193.0°. Best body text is #000000 at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#40D3D0
RGB	rgb(64, 211, 208)
HSL	hsl(179, 63%, 54%)
HSV	hsv(179, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 1.4%, 17.3%)
CIE-LAB	lab(77.42, -38.27, -9.73)
CIE-LCH	lch(77.42, 39.49, 194.26°)
OKLab	oklab(79.11% -0.1175 -0.0271)
OKLCH	oklch(79.11% 0.121 193)
XYZ	xyz(36.7886, 52.2283, 67.8045)
Luminance	0.5223 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3D0 #D34043

analogous

#40D387 #40D3D0 #408CD3

triadic

#40D3D0 #D040D3 #D3D040

tetradic

#40D3D0 #8740D3 #D34043 #8CD340

square

#40D3D0 #8740D3 #D34043 #8CD340

split-complementary

#40D3D0 #D3408C #D38740

monochromatic

#1D7C7A #28AEAB #40D3D0 #72DEDC #A3EAE8

Accessibility & contrast

On white

1.83

#40D3D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.45

#40D3D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3D0

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3D0	#FFFFFF	#000000	##000000
##40D3D0	1.00	1.83	11.45	11.45
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.45	21.00	1.00	1.00
##000000	11.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6C8D0

Deuteranopia (green-blind)

#B0B9D1

Tritanopia (blue-blind)

#00D9D2

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40d3d0;
/* rgb */ color: rgb(64, 211, 208);
/* oklch */ color: oklch(79.1% 0.121 193.0);

Tailwind

colors: {
  custom: {
    50: '#8ae1de',
    500: '#40d3d0',
    950: '#000000',
  },
}

SCSS

$custom: #40d3d0;
$custom-light: #8ae1de;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3d0",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 208
  },
  "hsl": {
    "h": 178.776,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.79105,
    "c": 0.12062,
    "h": 193
  },
  "luminance": 0.52233
}

Semantic roles & 50–950 ramp

primary

#40D3D0

secondary

#843335

accent

#4246E6

background

#FCFEFE

surface

#F4FCFC

border

#CED5D5

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #40D3D0

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

Preview Lab → · Contrast checker → · Palette generator →