#21B6BE#21B6BE

#21B6BE is a light, moderate teal. Relative luminance 0.375; OKLCH L 70.8% C 0.115 H 200.7°. Best body text is #000000 at 8.50:1 contrast (WCAG AA passes).

Color values

HEX#21B6BE
RGBrgb(33, 182, 190)
HSLhsl(183, 70%, 44%)
HSVhsv(183, 83%, 75%)
CMYKcmyk(82.6%, 4.2%, 0%, 25.5%)
CIE-LABlab(67.65, -33.30, -14.62)
CIE-LCHlch(67.65, 36.37, 203.70°)
OKLaboklab(70.84% -0.1075 -0.0407)
OKLCHoklch(70.84% 0.115 200.7)
XYZxyz(26.6452, 37.4935, 54.5378)
Luminance0.3750 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B6BE #BE2921
analogous
#21BE77 #21B6BE #2167BE
triadic
#21B6BE #BE21B6 #B6BE21
tetradic
#21B6BE #7721BE #BE2921 #67BE21
square
#21B6BE #7721BE #BE2921 #67BE21
split-complementary
#21B6BE #BE2167 #BE7721
monochromatic
#0F5256 #18848A #21B6BE #3FD5DE #73E1E7

Accessibility & contrast

On white

2.47
#21B6BE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.50
#21B6BE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B6BE
8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B6BE#FFFFFF#000000##000000
##21B6BE1.002.478.508.50
#FFFFFF2.471.0021.0021.00
#0000008.5021.001.001.00
##0000008.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8AEBF
Deuteranopia (green-blind)
#939EBF
Tritanopia (blue-blind)
#00BDB8
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #21b6be;
/* rgb */ color: rgb(33, 182, 190);
/* oklch */ color: oklch(70.8% 0.115 200.7);
Tailwind
colors: {
  custom: {
    50: '#7cccd1',
    500: '#21b6be',
    950: '#000000',
  },
}
SCSS
$custom: #21b6be;
$custom-light: #7cccd1;
$custom-dark: #000000;
JSON
{
  "hex": "#21b6be",
  "rgb": {
    "r": 33,
    "g": 182,
    "b": 190
  },
  "hsl": {
    "h": 183.057,
    "s": 70.404,
    "l": 43.725
  },
  "oklch": {
    "l": 0.70842,
    "c": 0.11494,
    "h": 200.7
  },
  "luminance": 0.37497
}

Semantic roles & 50–950 ramp

primary
#21B6BE
secondary
#CD726D
accent
#443BED
background
#F8FCFC
surface
#F0F9F9
border
#CBD2D2
text
#0B1314
muted
#7C8282

Preview Lab

Preview with #21B6BE

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

Preview Lab → · Contrast checker → · Palette generator →

#21B6BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva