#40D3DB#40D3DB

#40D3DB is a light, vivid teal. Relative luminance 0.528; OKLCH L 79.5% C 0.120 H 200.4°. Best body text is #000000 at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#40D3DB
RGB	rgb(64, 211, 219)
HSL	hsl(183, 68%, 55%)
HSV	hsv(183, 71%, 86%)
CMYK	cmyk(70.8%, 3.7%, 0%, 14.1%)
CIE-LAB	lab(77.75, -35.14, -15.13)
CIE-LCH	lch(77.75, 38.26, 203.30°)
OKLab	oklab(79.49% -0.1129 -0.042)
OKLCH	oklch(79.49% 0.12 200.4)
XYZ	xyz(38.1891, 52.7885, 75.1806)
Luminance	0.5279 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3DB #DB4840

analogous

#40DB96 #40D3DB #4085DB

triadic

#40D3DB #DB40D3 #D3DB40

tetradic

#40D3DB #9640DB #DB4840 #85DB40

square

#40D3DB #9640DB #DB4840 #85DB40

split-complementary

#40D3DB #DB4085 #DB9640

monochromatic

#198187 #23B3BB #40D3DB #73DFE5 #A7EBEE

Accessibility & contrast

On white

1.82

#40D3DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.56

#40D3DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3DB

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3DB	#FFFFFF	#000000	##000000
##40D3DB	1.00	1.82	11.56	11.56
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.56	21.00	1.00	1.00
##000000	11.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3CADC

Deuteranopia (green-blind)

#ADB9DC

Tritanopia (blue-blind)

#00DBD5

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #40d3db;
/* rgb */ color: rgb(64, 211, 219);
/* oklch */ color: oklch(79.5% 0.120 200.4);

Tailwind

colors: {
  custom: {
    50: '#8be1e6',
    500: '#40d3db',
    950: '#000000',
  },
}

SCSS

$custom: #40d3db;
$custom-light: #8be1e6;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3db",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 219
  },
  "hsl": {
    "h": 183.097,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.79485,
    "c": 0.12043,
    "h": 200.4
  },
  "luminance": 0.52793
}

Semantic roles & 50–950 ramp

primary

#40D3DB

secondary

#8D3732

accent

#463DEB

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #40D3DB

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

Preview Lab → · Contrast checker → · Palette generator →