#21D4D0#21D4D0

#21D4D0 is a light, vivid teal. Relative luminance 0.520; OKLCH L 78.8% C 0.131 H 192.3°. Best body text is #000000 at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#21D4D0
RGB	rgb(33, 212, 208)
HSL	hsl(179, 73%, 48%)
HSV	hsv(179, 84%, 83%)
CMYK	cmyk(84.4%, 0%, 1.9%, 16.9%)
CIE-LAB	lab(77.26, -41.72, -10.01)
CIE-LCH	lch(77.26, 42.90, 193.50°)
OKLab	oklab(78.84% -0.1277 -0.0279)
OKLCH	oklch(78.84% 0.131 192.3)
XYZ	xyz(35.5504, 51.9598, 67.8178)
Luminance	0.5196 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21D4D0 #D42125

analogous

#21D476 #21D4D0 #217FD4

triadic

#21D4D0 #D021D4 #D4D021

tetradic

#21D4D0 #7621D4 #D42125 #7FD421

square

#21D4D0 #7621D4 #D42125 #7FD421

split-complementary

#21D4D0 #D4217F #D47621

monochromatic

#116A68 #199F9C #21D4D0 #4FE4E0 #84ECE9

Accessibility & contrast

On white

1.84

#21D4D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.39

#21D4D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21D4D0

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21D4D0	#FFFFFF	#000000	##000000
##21D4D0	1.00	1.84	11.39	11.39
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.39	21.00	1.00	1.00
##000000	11.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6C9D0

Deuteranopia (green-blind)

#AFB8D1

Tritanopia (blue-blind)

#00DAD2

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #21d4d0;
/* rgb */ color: rgb(33, 212, 208);
/* oklch */ color: oklch(78.8% 0.131 192.3);

Tailwind

colors: {
  custom: {
    50: '#82e2de',
    500: '#21d4d0',
    950: '#000000',
  },
}

SCSS

$custom: #21d4d0;
$custom-light: #82e2de;
$custom-dark: #000000;

JSON

{
  "hex": "#21d4d0",
  "rgb": {
    "r": 33,
    "g": 212,
    "b": 208
  },
  "hsl": {
    "h": 178.659,
    "s": 73.061,
    "l": 48.039
  },
  "oklch": {
    "l": 0.78842,
    "c": 0.13077,
    "h": 192.3
  },
  "luminance": 0.51964
}

Semantic roles & 50–950 ramp

primary

#21D4D0

secondary

#742527

accent

#383CF0

background

#FCFEFE

surface

#F4FCFC

border

#CED5D5

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #21D4D0

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

Preview Lab → · Contrast checker → · Palette generator →