#40DADF#40DADF

#40DADF is a light, vivid teal. Relative luminance 0.566; OKLCH L 81.3% C 0.124 H 198.2°. Best body text is #000000 at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#40DADF
RGB	rgb(64, 218, 223)
HSL	hsl(182, 71%, 56%)
HSV	hsv(182, 71%, 87%)
CMYK	cmyk(71.3%, 2.2%, 0%, 12.5%)
CIE-LAB	lab(79.93, -37.24, -14.00)
CIE-LCH	lch(79.93, 39.79, 200.60°)
OKLab	oklab(81.29% -0.118 -0.0389)
OKLCH	oklch(81.29% 0.124 198.2)
XYZ	xyz(40.4990, 56.5557, 78.5796)
Luminance	0.5656 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DADF #DF4540

analogous

#40DF95 #40DADF #408BDF

triadic

#40DADF #DF40DA #DADF40

tetradic

#40DADF #9540DF #DF4540 #8BDF40

square

#40DADF #9540DF #DF4540 #8BDF40

split-complementary

#40DADF #DF408B #DF9540

monochromatic

#18898D #20BCC1 #40DADF #74E4E8 #A9EEF1

Accessibility & contrast

On white

1.71

#40DADF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.31

#40DADF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DADF

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DADF	#FFFFFF	#000000	##000000
##40DADF	1.00	1.71	12.31	12.31
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.31	21.00	1.00	1.00
##000000	12.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBD0E0

Deuteranopia (green-blind)

#B4BFE0

Tritanopia (blue-blind)

#00E2DB

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #40dadf;
/* rgb */ color: rgb(64, 218, 223);
/* oklch */ color: oklch(81.3% 0.124 198.2);

Tailwind

colors: {
  custom: {
    50: '#8ce6e9',
    500: '#40dadf',
    950: '#000000',
  },
}

SCSS

$custom: #40dadf;
$custom-light: #8ce6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#40dadf",
  "rgb": {
    "r": 64,
    "g": 218,
    "b": 223
  },
  "hsl": {
    "h": 181.887,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.81291,
    "c": 0.12421,
    "h": 198.2
  },
  "luminance": 0.56561
}

Semantic roles & 50–950 ramp

primary

#40DADF

secondary

#923431

accent

#3F3AEE

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #40DADF

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

Preview Lab → · Contrast checker → · Palette generator →