#21D4CE#21D4CE

#21D4CE is a light, vivid teal. Relative luminance 0.519; OKLCH L 78.8% C 0.131 H 191.1°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX#21D4CE
RGBrgb(33, 212, 206)
HSLhsl(178, 73%, 48%)
HSVhsv(178, 84%, 83%)
CMYKcmyk(84.4%, 0%, 2.8%, 16.9%)
CIE-LABlab(77.20, -42.29, -9.03)
CIE-LCHlch(77.20, 43.25, 192.05°)
OKLaboklab(78.77% -0.1286 -0.0253)
OKLCHoklch(78.77% 0.131 191.1)
XYZxyz(35.3059, 51.8620, 66.5301)
Luminance0.5187 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21D4CE #D42127
analogous
#21D475 #21D4CE #2180D4
triadic
#21D4CE #CE21D4 #D4CE21
tetradic
#21D4CE #7521D4 #D42127 #80D421
square
#21D4CE #7521D4 #D42127 #80D421
split-complementary
#21D4CE #D42180 #D47521
monochromatic
#116A67 #199F9B #21D4CE #4FE4DF #84ECE8

Accessibility & contrast

On white

1.85
#21D4CE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.37
#21D4CE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21D4CE
11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21D4CE#FFFFFF#000000##000000
##21D4CE1.001.8511.3711.37
#FFFFFF1.851.0021.0021.00
#00000011.3721.001.001.00
##00000011.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#C7C8CE
Deuteranopia (green-blind)
#B0B7CF
Tritanopia (blue-blind)
#00DAD2
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #21d4ce;
/* rgb */ color: rgb(33, 212, 206);
/* oklch */ color: oklch(78.8% 0.131 191.1);
Tailwind
colors: {
  custom: {
    50: '#82e2dc',
    500: '#21d4ce',
    950: '#000000',
  },
}
SCSS
$custom: #21d4ce;
$custom-light: #82e2dc;
$custom-dark: #000000;
JSON
{
  "hex": "#21d4ce",
  "rgb": {
    "r": 33,
    "g": 212,
    "b": 206
  },
  "hsl": {
    "h": 177.989,
    "s": 73.061,
    "l": 48.039
  },
  "oklch": {
    "l": 0.78775,
    "c": 0.13108,
    "h": 191.1
  },
  "luminance": 0.51867
}

Semantic roles & 50–950 ramp

primary
#21D4CE
secondary
#742528
accent
#383EF0
background
#FCFEFE
surface
#F4FCFC
border
#CED5D5
text
#0D1515
muted
#7F8484

Preview Lab

Preview with #21D4CE

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

Preview Lab → · Contrast checker → · Palette generator →

#21D4CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva