#40D3D8#40D3D8

#40D3D8 is a light, vivid teal. Relative luminance 0.526; OKLCH L 79.4% C 0.120 H 198.4°. Best body text is #000000 at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#40D3D8
RGB	rgb(64, 211, 216)
HSL	hsl(182, 66%, 55%)
HSV	hsv(182, 70%, 85%)
CMYK	cmyk(70.4%, 2.3%, 0%, 15.3%)
CIE-LAB	lab(77.66, -36.01, -13.66)
CIE-LCH	lch(77.66, 38.51, 200.78°)
OKLab	oklab(79.38% -0.1141 -0.0379)
OKLCH	oklch(79.38% 0.12 198.4)
XYZ	xyz(37.7977, 52.6319, 73.1193)
Luminance	0.5264 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3D8 #D84540

analogous

#40D891 #40D3D8 #4087D8

triadic

#40D3D8 #D840D3 #D3D840

tetradic

#40D3D8 #9140D8 #D84540 #87D840

square

#40D3D8 #9140D8 #D84540 #87D840

split-complementary

#40D3D8 #D84087 #D89140

monochromatic

#1B7F83 #25B1B6 #40D3D8 #73DFE2 #A6EAED

Accessibility & contrast

On white

1.82

#40D3D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.53

#40D3D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3D8

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3D8	#FFFFFF	#000000	##000000
##40D3D8	1.00	1.82	11.53	11.53
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.53	21.00	1.00	1.00
##000000	11.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4C9D9

Deuteranopia (green-blind)

#AEB9D9

Tritanopia (blue-blind)

#00DAD4

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #40d3d8;
/* rgb */ color: rgb(64, 211, 216);
/* oklch */ color: oklch(79.4% 0.120 198.4);

Tailwind

colors: {
  custom: {
    50: '#8be1e4',
    500: '#40d3d8',
    950: '#000000',
  },
}

SCSS

$custom: #40d3d8;
$custom-light: #8be1e4;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3d8",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 216
  },
  "hsl": {
    "h": 181.974,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.79379,
    "c": 0.12027,
    "h": 198.4
  },
  "luminance": 0.52636
}

Semantic roles & 50–950 ramp

primary

#40D3D8

secondary

#8A3533

accent

#443FE9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #40D3D8

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

Preview Lab → · Contrast checker → · Palette generator →