#21D4D1#21D4D1

#21D4D1 is a light, vivid teal. Relative luminance 0.520; OKLCH L 78.9% C 0.131 H 193.0°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#21D4D1
RGB	rgb(33, 212, 209)
HSL	hsl(179, 73%, 48%)
HSV	hsv(179, 84%, 83%)
CMYK	cmyk(84.4%, 0%, 1.4%, 16.9%)
CIE-LAB	lab(77.29, -41.43, -10.51)
CIE-LCH	lch(77.29, 42.74, 194.23°)
OKLab	oklab(78.88% -0.1273 -0.0293)
OKLCH	oklch(78.88% 0.131 193)
XYZ	xyz(35.6738, 52.0091, 68.4678)
Luminance	0.5201 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21D4D1 #D42124

analogous

#21D477 #21D4D1 #217ED4

triadic

#21D4D1 #D121D4 #D4D121

tetradic

#21D4D1 #7721D4 #D42124 #7ED421

square

#21D4D1 #7721D4 #D42124 #7ED421

split-complementary

#21D4D1 #D4217E #D47721

monochromatic

#116A69 #199F9D #21D4D1 #4FE4E1 #84ECEA

Accessibility & contrast

On white

1.84

#21D4D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#21D4D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21D4D1

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21D4D1	#FFFFFF	#000000	##000000
##21D4D1	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6C9D1

Deuteranopia (green-blind)

#AFB8D2

Tritanopia (blue-blind)

#00DBD3

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #21d4d1;
/* rgb */ color: rgb(33, 212, 209);
/* oklch */ color: oklch(78.9% 0.131 193.0);

Tailwind

colors: {
  custom: {
    50: '#82e2df',
    500: '#21d4d1',
    950: '#000000',
  },
}

SCSS

$custom: #21d4d1;
$custom-light: #82e2df;
$custom-dark: #000000;

JSON

{
  "hex": "#21d4d1",
  "rgb": {
    "r": 33,
    "g": 212,
    "b": 209
  },
  "hsl": {
    "h": 178.994,
    "s": 73.061,
    "l": 48.039
  },
  "oklch": {
    "l": 0.78876,
    "c": 0.13065,
    "h": 193
  },
  "luminance": 0.52014
}

Semantic roles & 50–950 ramp

primary

#21D4D1

secondary

#742527

accent

#383BF0

background

#FCFEFE

surface

#F4FCFC

border

#CED5D5

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #21D4D1

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

Preview Lab → · Contrast checker → · Palette generator →