#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
RGBrgb(33, 212, 208)
HSLhsl(179, 73%, 48%)
HSVhsv(179, 84%, 83%)
CMYKcmyk(84.4%, 0%, 1.9%, 16.9%)
CIE-LABlab(77.26, -41.72, -10.01)
CIE-LCHlch(77.26, 42.90, 193.50°)
OKLaboklab(78.84% -0.1277 -0.0279)
OKLCHoklch(78.84% 0.131 192.3)
XYZxyz(35.5504, 51.9598, 67.8178)
Luminance0.5196 (WCAG relative)
Temperaturecool
Familyteal

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
##21D4D01.001.8411.3911.39
#FFFFFF1.841.0021.0021.00
#00000011.3921.001.001.00
##00000011.3921.001.001.00

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 →

#21D4D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva