#21B9C2#21B9C2

#21B9C2 is a light, moderate teal. Relative luminance 0.389; OKLCH L 71.7% C 0.117 H 201.3°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX#21B9C2
RGBrgb(33, 185, 194)
HSLhsl(183, 71%, 45%)
HSVhsv(183, 83%, 76%)
CMYKcmyk(83%, 4.6%, 0%, 23.9%)
CIE-LABlab(68.69, -33.50, -15.25)
CIE-LCHlch(68.69, 36.80, 204.48°)
OKLaboklab(71.73% -0.1086 -0.0424)
OKLCHoklch(71.73% 0.117 201.3)
XYZxyz(27.7093, 38.9127, 57.0790)
Luminance0.3892 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B9C2 #C22A21
analogous
#21C27B #21B9C2 #2169C2
triadic
#21B9C2 #C221B9 #B9C221
tetradic
#21B9C2 #7B21C2 #C22A21 #69C221
square
#21B9C2 #7B21C2 #C22A21 #69C221
split-complementary
#21B9C2 #C22169 #C27B21
monochromatic
#0F5559 #18878E #21B9C2 #41D6DF #76E1E8

Accessibility & contrast

On white

2.39
#21B9C2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.78
#21B9C2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B9C2
8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B9C2#FFFFFF#000000##000000
##21B9C21.002.398.788.78
#FFFFFF2.391.0021.0021.00
#0000008.7821.001.001.00
##0000008.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#AAB0C3
Deuteranopia (green-blind)
#95A1C3
Tritanopia (blue-blind)
#00C0BB
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #21b9c2;
/* rgb */ color: rgb(33, 185, 194);
/* oklch */ color: oklch(71.7% 0.117 201.3);
Tailwind
colors: {
  custom: {
    50: '#7dced4',
    500: '#21b9c2',
    950: '#000000',
  },
}
SCSS
$custom: #21b9c2;
$custom-light: #7dced4;
$custom-dark: #000000;
JSON
{
  "hex": "#21b9c2",
  "rgb": {
    "r": 33,
    "g": 185,
    "b": 194
  },
  "hsl": {
    "h": 183.354,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.71731,
    "c": 0.11661,
    "h": 201.3
  },
  "luminance": 0.38916
}

Semantic roles & 50–950 ramp

primary
#21B9C2
secondary
#CF7570
accent
#443AEE
background
#F8FCFD
surface
#F0F9FA
border
#CBD2D3
text
#0C1414
muted
#7D8283

Preview Lab

Preview with #21B9C2

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

Preview Lab → · Contrast checker → · Palette generator →

#21B9C2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva