#40D8DD#40D8DD

#40D8DD is a light, vivid teal. Relative luminance 0.554; OKLCH L 80.7% C 0.123 H 198.3°. Best body text is #000000 at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#40D8DD
RGB	rgb(64, 216, 221)
HSL	hsl(182, 70%, 56%)
HSV	hsv(182, 71%, 87%)
CMYK	cmyk(71%, 2.3%, 0%, 13.3%)
CIE-LAB	lab(79.28, -36.89, -13.91)
CIE-LCH	lch(79.28, 39.42, 200.65°)
OKLab	oklab(80.75% -0.1169 -0.0386)
OKLCH	oklch(80.75% 0.123 198.3)
XYZ	xyz(39.7155, 55.4175, 76.9961)
Luminance	0.5542 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D8DD #DD4540

analogous

#40DD93 #40D8DD #4089DD

triadic

#40D8DD #DD40D8 #D8DD40

tetradic

#40D8DD #9340DD #DD4540 #89DD40

square

#40D8DD #9340DD #DD4540 #89DD40

split-complementary

#40D8DD #DD4089 #DD9340

monochromatic

#19868A #22B9BE #40D8DD #74E3E6 #A8EDEF

Accessibility & contrast

On white

1.74

#40D8DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.08

#40D8DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D8DD

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D8DD	#FFFFFF	#000000	##000000
##40D8DD	1.00	1.74	12.08	12.08
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.08	21.00	1.00	1.00
##000000	12.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9CEDE

Deuteranopia (green-blind)

#B2BDDE

Tritanopia (blue-blind)

#00E0D9

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #40d8dd;
/* rgb */ color: rgb(64, 216, 221);
/* oklch */ color: oklch(80.7% 0.123 198.3);

Tailwind

colors: {
  custom: {
    50: '#8ce4e7',
    500: '#40d8dd',
    950: '#000000',
  },
}

SCSS

$custom: #40d8dd;
$custom-light: #8ce4e7;
$custom-dark: #000000;

JSON

{
  "hex": "#40d8dd",
  "rgb": {
    "r": 64,
    "g": 216,
    "b": 221
  },
  "hsl": {
    "h": 181.911,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.80746,
    "c": 0.12309,
    "h": 198.3
  },
  "luminance": 0.55422
}

Semantic roles & 50–950 ramp

primary

#40D8DD

secondary

#903431

accent

#413BED

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #40D8DD

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

Preview Lab → · Contrast checker → · Palette generator →