#21B6BD#21B6BD

#21B6BD is a light, moderate teal. Relative luminance 0.375; OKLCH L 70.8% C 0.115 H 200.0°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX#21B6BD
RGBrgb(33, 182, 189)
HSLhsl(183, 70%, 44%)
HSVhsv(183, 83%, 74%)
CMYKcmyk(82.5%, 3.7%, 0%, 25.9%)
CIE-LABlab(67.61, -33.61, -14.11)
CIE-LCHlch(67.61, 36.45, 202.78°)
OKLaboklab(70.8% -0.1079 -0.0393)
OKLCHoklch(70.8% 0.115 200)
XYZxyz(26.5362, 37.4500, 53.9642)
Luminance0.3745 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B6BD #BD2821
analogous
#21BD76 #21B6BD #2168BD
triadic
#21B6BD #BD21B6 #B6BD21
tetradic
#21B6BD #7621BD #BD2821 #68BD21
square
#21B6BD #7621BD #BD2821 #68BD21
split-complementary
#21B6BD #BD2168 #BD7621
monochromatic
#0F5255 #188489 #21B6BD #3ED6DD #72E1E6

Accessibility & contrast

On white

2.47
#21B6BD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.49
#21B6BD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B6BD
8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B6BD#FFFFFF#000000##000000
##21B6BD1.002.478.498.49
#FFFFFF2.471.0021.0021.00
#0000008.4921.001.001.00
##0000008.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8ADBE
Deuteranopia (green-blind)
#939EBE
Tritanopia (blue-blind)
#00BDB8
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #21b6bd;
/* rgb */ color: rgb(33, 182, 189);
/* oklch */ color: oklch(70.8% 0.115 200.0);
Tailwind
colors: {
  custom: {
    50: '#7cccd0',
    500: '#21b6bd',
    950: '#000000',
  },
}
SCSS
$custom: #21b6bd;
$custom-light: #7cccd0;
$custom-dark: #000000;
JSON
{
  "hex": "#21b6bd",
  "rgb": {
    "r": 33,
    "g": 182,
    "b": 189
  },
  "hsl": {
    "h": 182.692,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.70805,
    "c": 0.11486,
    "h": 200
  },
  "luminance": 0.37453
}

Semantic roles & 50–950 ramp

primary
#21B6BD
secondary
#CD716D
accent
#433BED
background
#F8FCFC
surface
#EFF9F9
border
#CAD2D2
text
#0B1314
muted
#7C8282

Preview Lab

Preview with #21B6BD

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

Preview Lab → · Contrast checker → · Palette generator →

#21B6BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva