#21ABB0#21ABB0

#21ABB0 is a light, moderate teal. Relative luminance 0.326; OKLCH L 67.6% C 0.109 H 198.8°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX#21ABB0
RGBrgb(33, 171, 176)
HSLhsl(182, 68%, 41%)
HSVhsv(182, 81%, 69%)
CMYKcmyk(81.3%, 2.8%, 0%, 31%)
CIE-LABlab(63.82, -32.37, -12.60)
CIE-LCHlch(63.82, 34.74, 201.27°)
OKLaboklab(67.59% -0.1031 -0.035)
OKLCHoklch(67.59% 0.109 198.8)
XYZxyz(23.0230, 32.5808, 46.1412)
Luminance0.3258 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21ABB0 #B02621
analogous
#21B06D #21ABB0 #2163B0
triadic
#21ABB0 #B021AB #ABB021
tetradic
#21ABB0 #6D21B0 #B02621 #63B021
square
#21ABB0 #6D21B0 #B02621 #63B021
split-complementary
#21ABB0 #B02163 #B06D21
monochromatic
#0E4749 #17797C #21ABB0 #35D3D9 #69DFE3

Accessibility & contrast

On white

2.79
#21ABB0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.52
#21ABB0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21ABB0
7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21ABB0#FFFFFF#000000##000000
##21ABB01.002.797.527.52
#FFFFFF2.791.0021.0021.00
#0000007.5221.001.001.00
##0000007.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#9EA3B1
Deuteranopia (green-blind)
#8B95B1
Tritanopia (blue-blind)
#00B1AC
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #21abb0;
/* rgb */ color: rgb(33, 171, 176);
/* oklch */ color: oklch(67.6% 0.109 198.8);
Tailwind
colors: {
  custom: {
    50: '#79c4c7',
    500: '#21abb0',
    950: '#000000',
  },
}
SCSS
$custom: #21abb0;
$custom-light: #79c4c7;
$custom-dark: #000000;
JSON
{
  "hex": "#21abb0",
  "rgb": {
    "r": 33,
    "g": 171,
    "b": 176
  },
  "hsl": {
    "h": 182.098,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.67586,
    "c": 0.10887,
    "h": 198.8
  },
  "luminance": 0.32584
}

Semantic roles & 50–950 ramp

primary
#21ABB0
secondary
#C86864
accent
#433DEB
background
#F8FCFC
surface
#EFF8F8
border
#CAD1D1
text
#0B1313
muted
#7C8282

Preview Lab

Preview with #21ABB0

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

Preview Lab → · Contrast checker → · Palette generator →

#21ABB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva