#40D8DA#40D8DA

#40D8DA is a light, vivid teal. Relative luminance 0.553; OKLCH L 80.6% C 0.123 H 196.3°. Best body text is #000000 at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#40D8DA
RGB	rgb(64, 216, 218)
HSL	hsl(181, 68%, 55%)
HSV	hsv(181, 71%, 85%)
CMYK	cmyk(70.6%, 0.9%, 0%, 14.5%)
CIE-LAB	lab(79.19, -37.75, -12.44)
CIE-LCH	lch(79.19, 39.74, 198.24°)
OKLab	oklab(80.64% -0.1181 -0.0346)
OKLCH	oklch(80.64% 0.123 196.3)
XYZ	xyz(39.3194, 55.2590, 74.9099)
Luminance	0.5526 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D8DA #DA4240

analogous

#40DA8F #40D8DA #408BDA

triadic

#40D8DA #DA40D8 #D8DA40

tetradic

#40D8DA #8F40DA #DA4240 #8BDA40

square

#40D8DA #8F40DA #DA4240 #8BDA40

split-complementary

#40D8DA #DA408B #DA8F40

monochromatic

#1A8486 #24B7B9 #40D8DA #73E2E4 #A7EDEE

Accessibility & contrast

On white

1.74

#40D8DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.05

#40D8DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D8DA

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D8DA	#FFFFFF	#000000	##000000
##40D8DA	1.00	1.74	12.05	12.05
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.05	21.00	1.00	1.00
##000000	12.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9CEDA

Deuteranopia (green-blind)

#B3BDDB

Tritanopia (blue-blind)

#00DFD8

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #40d8da;
/* rgb */ color: rgb(64, 216, 218);
/* oklch */ color: oklch(80.6% 0.123 196.3);

Tailwind

colors: {
  custom: {
    50: '#8ce4e5',
    500: '#40d8da',
    950: '#000000',
  },
}

SCSS

$custom: #40d8da;
$custom-light: #8ce4e5;
$custom-dark: #000000;

JSON

{
  "hex": "#40d8da",
  "rgb": {
    "r": 64,
    "g": 216,
    "b": 218
  },
  "hsl": {
    "h": 180.779,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.80642,
    "c": 0.12309,
    "h": 196.3
  },
  "luminance": 0.55264
}

Semantic roles & 50–950 ramp

primary

#40D8DA

secondary

#8C3332

accent

#403DEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #40D8DA

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

Preview Lab → · Contrast checker → · Palette generator →