#40D9CA#40D9CA

#40D9CA is a light, vivid teal. Relative luminance 0.550; OKLCH L 80.4% C 0.127 H 185.4°. Best body text is #000000 at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#40D9CA
RGB	rgb(64, 217, 202)
HSL	hsl(174, 67%, 55%)
HSV	hsv(174, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 6.9%, 14.9%)
CIE-LAB	lab(79.03, -42.61, -4.13)
CIE-LCH	lch(79.03, 42.81, 185.53°)
OKLab	oklab(80.36% -0.126 -0.0118)
OKLCH	oklch(80.36% 0.127 185.4)
XYZ	xyz(37.5828, 54.9755, 64.4963)
Luminance	0.5498 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D9CA #D9404F

analogous

#40D97E #40D9CA #409BD9

triadic

#40D9CA #CA40D9 #D9CA40

tetradic

#40D9CA #7E40D9 #D9404F #9BD940

square

#40D9CA #7E40D9 #D9404F #9BD940

split-complementary

#40D9CA #D9409B #D97E40

monochromatic

#1A847A #24B7A9 #40D9CA #73E3D8 #A6EDE6

Accessibility & contrast

On white

1.75

#40D9CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.00

#40D9CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9CA

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D9CA	#FFFFFF	#000000	##000000
##40D9CA	1.00	1.75	12.00	12.00
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.00	21.00	1.00	1.00
##000000	12.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CECDCA

Deuteranopia (green-blind)

#B8BDCC

Tritanopia (blue-blind)

#00DED4

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #40d9ca;
/* rgb */ color: rgb(64, 217, 202);
/* oklch */ color: oklch(80.4% 0.127 185.4);

Tailwind

colors: {
  custom: {
    50: '#8ae5da',
    500: '#40d9ca',
    950: '#000000',
  },
}

SCSS

$custom: #40d9ca;
$custom-light: #8ae5da;
$custom-dark: #000000;

JSON

{
  "hex": "#40d9ca",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 202
  },
  "hsl": {
    "h": 174.118,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.80357,
    "c": 0.1266,
    "h": 185.4
  },
  "luminance": 0.5498
}

Semantic roles & 50–950 ramp

primary

#40D9CA

secondary

#8B323B

accent

#3E4FEA

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1614

muted

#7F8483

Preview Lab

Preview with #40D9CA

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

Preview Lab → · Contrast checker → · Palette generator →