#40D9D4#40D9D4

#40D9D4 is a light, vivid teal. Relative luminance 0.555; OKLCH L 80.7% C 0.124 H 191.7°. Best body text is #000000 at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#40D9D4
RGB	rgb(64, 217, 212)
HSL	hsl(178, 67%, 55%)
HSV	hsv(178, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 2.3%, 14.9%)
CIE-LAB	lab(79.31, -39.88, -9.05)
CIE-LCH	lch(79.31, 40.90, 192.79°)
OKLab	oklab(80.68% -0.1217 -0.0253)
OKLCH	oklch(80.68% 0.124 191.7)
XYZ	xyz(38.8054, 55.4646, 70.9351)
Luminance	0.5547 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D9D4 #D94045

analogous

#40D987 #40D9D4 #4092D9

triadic

#40D9D4 #D440D9 #D9D440

tetradic

#40D9D4 #8740D9 #D94045 #92D940

square

#40D9D4 #8740D9 #D94045 #92D940

split-complementary

#40D9D4 #D94092 #D98740

monochromatic

#1A8481 #24B7B3 #40D9D4 #73E3DF #A6EDEB

Accessibility & contrast

On white

1.74

#40D9D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.09

#40D9D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9D4

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D9D4	#FFFFFF	#000000	##000000
##40D9D4	1.00	1.74	12.09	12.09
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.09	21.00	1.00	1.00
##000000	12.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCCED4

Deuteranopia (green-blind)

#B6BED5

Tritanopia (blue-blind)

#00DFD7

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #40d9d4;
/* rgb */ color: rgb(64, 217, 212);
/* oklch */ color: oklch(80.7% 0.124 191.7);

Tailwind

colors: {
  custom: {
    50: '#8be5e1',
    500: '#40d9d4',
    950: '#000000',
  },
}

SCSS

$custom: #40d9d4;
$custom-light: #8be5e1;
$custom-dark: #000000;

JSON

{
  "hex": "#40d9d4",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 212
  },
  "hsl": {
    "h": 178.039,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.80679,
    "c": 0.12427,
    "h": 191.7
  },
  "luminance": 0.55469
}

Semantic roles & 50–950 ramp

primary

#40D9D4

secondary

#8B3235

accent

#3E44EA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #40D9D4

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

Preview Lab → · Contrast checker → · Palette generator →