#40D3D5#40D3D5

#40D3D5 is a light, vivid teal. Relative luminance 0.525; OKLCH L 79.3% C 0.120 H 196.4°. Best body text is #000000 at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#40D3D5
RGB	rgb(64, 211, 213)
HSL	hsl(181, 64%, 54%)
HSV	hsv(181, 70%, 84%)
CMYK	cmyk(70%, 0.9%, 0%, 16.5%)
CIE-LAB	lab(77.57, -36.86, -12.19)
CIE-LCH	lch(77.57, 38.83, 198.30°)
OKLab	oklab(79.27% -0.1154 -0.0339)
OKLCH	oklch(79.27% 0.12 196.4)
XYZ	xyz(37.4134, 52.4782, 71.0954)
Luminance	0.5248 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3D5 #D54240

analogous

#40D58C #40D3D5 #4089D5

triadic

#40D3D5 #D540D3 #D3D540

tetradic

#40D3D5 #8C40D5 #D54240 #89D540

square

#40D3D5 #8C40D5 #D54240 #89D540

split-complementary

#40D3D5 #D54089 #D58C40

monochromatic

#1C7D7F #27AFB1 #40D3D5 #72DFE0 #A4EAEB

Accessibility & contrast

On white

1.83

#40D3D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.50

#40D3D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3D5

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3D5	#FFFFFF	#000000	##000000
##40D3D5	1.00	1.83	11.50	11.50
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.50	21.00	1.00	1.00
##000000	11.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5C9D5

Deuteranopia (green-blind)

#AFB9D6

Tritanopia (blue-blind)

#00DAD3

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #40d3d5;
/* rgb */ color: rgb(64, 211, 213);
/* oklch */ color: oklch(79.3% 0.120 196.4);

Tailwind

colors: {
  custom: {
    50: '#8be1e1',
    500: '#40d3d5',
    950: '#000000',
  },
}

SCSS

$custom: #40d3d5;
$custom-light: #8be1e1;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3d5",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 213
  },
  "hsl": {
    "h": 180.805,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.79275,
    "c": 0.12026,
    "h": 196.4
  },
  "luminance": 0.52483
}

Semantic roles & 50–950 ramp

primary

#40D3D5

secondary

#863433

accent

#4341E7

background

#FCFEFE

surface

#F4FCFC

border

#CED5D5

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #40D3D5

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

Preview Lab → · Contrast checker → · Palette generator →