#40D3BA#40D3BA

#40D3BA is a light, vivid teal. Relative luminance 0.512; OKLCH L 78.4% C 0.127 H 178.9°. Best body text is #000000 at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#40D3BA
RGB	rgb(64, 211, 186)
HSL	hsl(170, 63%, 54%)
HSV	hsv(170, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 11.8%, 17.3%)
CIE-LAB	lab(76.81, -44.19, 1.20)
CIE-LCH	lch(76.81, 44.20, 178.45°)
OKLab	oklab(78.41% -0.1273 0.0025)
OKLCH	oklch(78.41% 0.127 178.9)
XYZ	xyz(34.2672, 51.2197, 54.5253)
Luminance	0.5122 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3BA #D34059

analogous

#40D371 #40D3BA #40A3D3

triadic

#40D3BA #BA40D3 #D3BA40

tetradic

#40D3BA #7140D3 #D34059 #A3D340

square

#40D3BA #7140D3 #D34059 #A3D340

split-complementary

#40D3BA #D340A3 #D37140

monochromatic

#1D7C6C #28AE97 #40D3BA #72DECC #A3EADE

Accessibility & contrast

On white

1.87

#40D3BA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.24

#40D3BA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3BA

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3BA	#FFFFFF	#000000	##000000
##40D3BA	1.00	1.87	11.24	11.24
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.24	21.00	1.00	1.00
##000000	11.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAC6B9

Deuteranopia (green-blind)

#B6B7BC

Tritanopia (blue-blind)

#00D6CB

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #40d3ba;
/* rgb */ color: rgb(64, 211, 186);
/* oklch */ color: oklch(78.4% 0.127 178.9);

Tailwind

colors: {
  custom: {
    50: '#88e1ce',
    500: '#40d3ba',
    950: '#000000',
  },
}

SCSS

$custom: #40d3ba;
$custom-light: #88e1ce;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3ba",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 186
  },
  "hsl": {
    "h": 169.796,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.78411,
    "c": 0.12731,
    "h": 178.9
  },
  "luminance": 0.51224
}

Semantic roles & 50–950 ramp

primary

#40D3BA

secondary

#843341

accent

#425EE6

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1513

muted

#7F8483

Preview Lab

Preview with #40D3BA

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

Preview Lab → · Contrast checker → · Palette generator →