#21D1D4#21D1D4

#21D1D4 is a light, vivid teal. Relative luminance 0.507; OKLCH L 78.3% C 0.129 H 196.7°. Best body text is #000000 at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#21D1D4
RGB	rgb(33, 209, 212)
HSL	hsl(181, 73%, 48%)
HSV	hsv(181, 84%, 83%)
CMYK	cmyk(84.4%, 1.4%, 0%, 16.9%)
CIE-LAB	lab(76.48, -39.20, -13.32)
CIE-LCH	lch(76.48, 41.40, 198.77°)
OKLab	oklab(78.25% -0.1232 -0.0371)
OKLCH	oklch(78.25% 0.129 196.7)
XYZ	xyz(35.3058, 50.6731, 70.1947)
Luminance	0.5068 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21D1D4 #D42421

analogous

#21D47E #21D1D4 #2177D4

triadic

#21D1D4 #D421D1 #D1D421

tetradic

#21D1D4 #7E21D4 #D42421 #77D421

square

#21D1D4 #7E21D4 #D42421 #77D421

split-complementary

#21D1D4 #D42177 #D47E21

monochromatic

#11696A #199D9F #21D1D4 #4FE1E4 #84EAEC

Accessibility & contrast

On white

1.89

#21D1D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.14

#21D1D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21D1D4

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21D1D4	#FFFFFF	#000000	##000000
##21D1D4	1.00	1.89	11.14	11.14
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.14	21.00	1.00	1.00
##000000	11.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2C7D4

Deuteranopia (green-blind)

#AAB5D5

Tritanopia (blue-blind)

#00D8D1

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #21d1d4;
/* rgb */ color: rgb(33, 209, 212);
/* oklch */ color: oklch(78.3% 0.129 196.7);

Tailwind

colors: {
  custom: {
    50: '#82dfe1',
    500: '#21d1d4',
    950: '#000000',
  },
}

SCSS

$custom: #21d1d4;
$custom-light: #82dfe1;
$custom-dark: #000000;

JSON

{
  "hex": "#21d1d4",
  "rgb": {
    "r": 33,
    "g": 209,
    "b": 212
  },
  "hsl": {
    "h": 181.006,
    "s": 73.061,
    "l": 48.039
  },
  "oklch": {
    "l": 0.7825,
    "c": 0.12871,
    "h": 196.7
  },
  "luminance": 0.50678
}

Semantic roles & 50–950 ramp

primary

#21D1D4

secondary

#742725

accent

#3B38F0

background

#FCFEFE

surface

#F4FCFC

border

#CED5D5

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #21D1D4

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

Preview Lab → · Contrast checker → · Palette generator →