#40D9DD#40D9DD

#40D9DD is a light, vivid teal. Relative luminance 0.559; OKLCH L 81.0% C 0.124 H 197.6°. Best body text is #000000 at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#40D9DD
RGB	rgb(64, 217, 221)
HSL	hsl(182, 70%, 56%)
HSV	hsv(182, 71%, 87%)
CMYK	cmyk(71%, 1.8%, 0%, 13.3%)
CIE-LAB	lab(79.57, -37.35, -13.46)
CIE-LCH	lch(79.57, 39.70, 199.82°)
OKLab	oklab(80.98% -0.1178 -0.0374)
OKLCH	oklch(80.98% 0.124 197.6)
XYZ	xyz(39.9725, 55.9314, 77.0817)
Luminance	0.5594 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D9DD #DD4440

analogous

#40DD93 #40D9DD #408ADD

triadic

#40D9DD #DD40D9 #D9DD40

tetradic

#40D9DD #9340DD #DD4440 #8ADD40

square

#40D9DD #9340DD #DD4440 #8ADD40

split-complementary

#40D9DD #DD408A #DD9340

monochromatic

#19878A #22BABE #40D9DD #74E3E6 #A8EEEF

Accessibility & contrast

On white

1.72

#40D9DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.19

#40D9DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9DD

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D9DD	#FFFFFF	#000000	##000000
##40D9DD	1.00	1.72	12.19	12.19
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.19	21.00	1.00	1.00
##000000	12.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CACFDE

Deuteranopia (green-blind)

#B3BEDE

Tritanopia (blue-blind)

#00E0DA

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #40d9dd;
/* rgb */ color: rgb(64, 217, 221);
/* oklch */ color: oklch(81.0% 0.124 197.6);

Tailwind

colors: {
  custom: {
    50: '#8ce5e7',
    500: '#40d9dd',
    950: '#000000',
  },
}

SCSS

$custom: #40d9dd;
$custom-light: #8ce5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#40d9dd",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 221
  },
  "hsl": {
    "h": 181.529,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.80984,
    "c": 0.12363,
    "h": 197.6
  },
  "luminance": 0.55936
}

Semantic roles & 50–950 ramp

primary

#40D9DD

secondary

#903431

accent

#403BED

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #40D9DD

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

Preview Lab → · Contrast checker → · Palette generator →