#40D3D4#40D3D4

#40D3D4 is a light, vivid teal. Relative luminance 0.524; OKLCH L 79.2% C 0.120 H 195.7°. Best body text is #000000 at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#40D3D4
RGB	rgb(64, 211, 212)
HSL	hsl(180, 63%, 54%)
HSV	hsv(180, 70%, 83%)
CMYK	cmyk(69.8%, 0.5%, 0%, 16.9%)
CIE-LAB	lab(77.54, -37.15, -11.70)
CIE-LCH	lch(77.54, 38.95, 197.48°)
OKLab	oklab(79.24% -0.1158 -0.0325)
OKLCH	oklch(79.24% 0.12 195.7)
XYZ	xyz(37.2869, 52.4276, 70.4290)
Luminance	0.5243 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3D4 #D44140

analogous

#40D48B #40D3D4 #4089D4

triadic

#40D3D4 #D440D3 #D3D440

tetradic

#40D3D4 #8B40D4 #D44140 #89D440

square

#40D3D4 #8B40D4 #D44140 #89D440

split-complementary

#40D3D4 #D44089 #D48B40

monochromatic

#1C7D7D #27AEAF #40D3D4 #72DFDF #A4EAEA

Accessibility & contrast

On white

1.83

#40D3D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.49

#40D3D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3D4

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3D4	#FFFFFF	#000000	##000000
##40D3D4	1.00	1.83	11.49	11.49
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.49	21.00	1.00	1.00
##000000	11.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5C9D4

Deuteranopia (green-blind)

#AFB9D5

Tritanopia (blue-blind)

#00DAD3

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #40d3d4;
/* rgb */ color: rgb(64, 211, 212);
/* oklch */ color: oklch(79.2% 0.120 195.7);

Tailwind

colors: {
  custom: {
    50: '#8ae1e1',
    500: '#40d3d4',
    950: '#000000',
  },
}

SCSS

$custom: #40d3d4;
$custom-light: #8ae1e1;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3d4",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 212
  },
  "hsl": {
    "h": 180.405,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.7924,
    "c": 0.1203,
    "h": 195.7
  },
  "luminance": 0.52432
}

Semantic roles & 50–950 ramp

primary

#40D3D4

secondary

#853433

accent

#4342E6

background

#FCFEFE

surface

#F4FCFC

border

#CED5D5

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #40D3D4

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

Preview Lab → · Contrast checker → · Palette generator →