#40D3CB#40D3CB

#40D3CB is a light, vivid teal. Relative luminance 0.520; OKLCH L 78.9% C 0.121 H 189.6°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#40D3CB
RGB	rgb(64, 211, 203)
HSL	hsl(177, 63%, 54%)
HSV	hsv(177, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 3.8%, 17.3%)
CIE-LAB	lab(77.27, -39.66, -7.25)
CIE-LCH	lch(77.27, 40.32, 190.37°)
OKLab	oklab(78.94% -0.1197 -0.0203)
OKLCH	oklch(78.94% 0.121 189.6)
XYZ	xyz(36.1831, 51.9861, 64.6157)
Luminance	0.5199 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3CB #D34048

analogous

#40D382 #40D3CB #4092D3

triadic

#40D3CB #CB40D3 #D3CB40

tetradic

#40D3CB #8240D3 #D34048 #92D340

square

#40D3CB #8240D3 #D34048 #92D340

split-complementary

#40D3CB #D34092 #D38240

monochromatic

#1D7C77 #28AEA6 #40D3CB #72DED9 #A3EAE6

Accessibility & contrast

On white

1.84

#40D3CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#40D3CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3CB

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3CB	#FFFFFF	#000000	##000000
##40D3CB	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7C8CB

Deuteranopia (green-blind)

#B2B8CC

Tritanopia (blue-blind)

#00D9D0

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40d3cb;
/* rgb */ color: rgb(64, 211, 203);
/* oklch */ color: oklch(78.9% 0.121 189.6);

Tailwind

colors: {
  custom: {
    50: '#8ae1da',
    500: '#40d3cb',
    950: '#000000',
  },
}

SCSS

$custom: #40d3cb;
$custom-light: #8ae1da;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3cb",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 203
  },
  "hsl": {
    "h": 176.735,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.78939,
    "c": 0.12143,
    "h": 189.6
  },
  "luminance": 0.5199
}

Semantic roles & 50–950 ramp

primary

#40D3CB

secondary

#843338

accent

#424BE6

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1514

muted

#7F8483

Preview Lab

Preview with #40D3CB

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

Preview Lab → · Contrast checker → · Palette generator →