#40D9DA#40D9DA

#40D9DA is a light, vivid teal. Relative luminance 0.558; OKLCH L 80.9% C 0.124 H 195.6°. Best body text is #000000 at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#40D9DA
RGB	rgb(64, 217, 218)
HSL	hsl(180, 68%, 55%)
HSV	hsv(180, 71%, 85%)
CMYK	cmyk(70.6%, 0.5%, 0%, 14.5%)
CIE-LAB	lab(79.48, -38.20, -12.00)
CIE-LCH	lch(79.48, 40.04, 197.43°)
OKLab	oklab(80.88% -0.1191 -0.0333)
OKLCH	oklch(80.88% 0.124 195.6)
XYZ	xyz(39.5763, 55.7730, 74.9955)
Luminance	0.5578 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D9DA #DA4140

analogous

#40DA8E #40D9DA #408CDA

triadic

#40D9DA #DA40D9 #D9DA40

tetradic

#40D9DA #8E40DA #DA4140 #8CDA40

square

#40D9DA #8E40DA #DA4140 #8CDA40

split-complementary

#40D9DA #DA408C #DA8E40

monochromatic

#1A8586 #24B8B9 #40D9DA #73E3E4 #A7EDEE

Accessibility & contrast

On white

1.73

#40D9DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#40D9DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9DA

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D9DA	#FFFFFF	#000000	##000000
##40D9DA	1.00	1.73	12.16	12.16
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.16	21.00	1.00	1.00
##000000	12.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBCFDA

Deuteranopia (green-blind)

#B4BEDB

Tritanopia (blue-blind)

#00E0D9

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #40d9da;
/* rgb */ color: rgb(64, 217, 218);
/* oklch */ color: oklch(80.9% 0.124 195.6);

Tailwind

colors: {
  custom: {
    50: '#8ce5e5',
    500: '#40d9da',
    950: '#000000',
  },
}

SCSS

$custom: #40d9da;
$custom-light: #8ce5e5;
$custom-dark: #000000;

JSON

{
  "hex": "#40d9da",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 218
  },
  "hsl": {
    "h": 180.39,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.80881,
    "c": 0.12369,
    "h": 195.6
  },
  "luminance": 0.55778
}

Semantic roles & 50–950 ramp

primary

#40D9DA

secondary

#8C3332

accent

#3E3DEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #40D9DA

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

Preview Lab → · Contrast checker → · Palette generator →