#21ADB0#21ADB0

#21ADB0 is a light, moderate teal. Relative luminance 0.333; OKLCH L 68.1% C 0.110 H 197.2°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX#21ADB0
RGBrgb(33, 173, 176)
HSLhsl(181, 68%, 41%)
HSVhsv(181, 81%, 69%)
CMYKcmyk(81.3%, 1.7%, 0%, 31%)
CIE-LABlab(64.44, -33.32, -11.68)
CIE-LCHlch(64.44, 35.31, 199.31°)
OKLaboklab(68.09% -0.105 -0.0325)
OKLCHoklch(68.09% 0.11 197.2)
XYZxyz(23.4036, 33.3421, 46.2681)
Luminance0.3335 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21ADB0 #B02421
analogous
#21B06B #21ADB0 #2165B0
triadic
#21ADB0 #B021AD #ADB021
tetradic
#21ADB0 #6B21B0 #B02421 #65B021
square
#21ADB0 #6B21B0 #B02421 #65B021
split-complementary
#21ADB0 #B02165 #B06B21
monochromatic
#0E4849 #177A7C #21ADB0 #35D6D9 #69E0E3

Accessibility & contrast

On white

2.74
#21ADB0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.67
#21ADB0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21ADB0
7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21ADB0#FFFFFF#000000##000000
##21ADB01.002.747.677.67
#FFFFFF2.741.0021.0021.00
#0000007.6721.001.001.00
##0000007.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A0A4B0
Deuteranopia (green-blind)
#8D96B1
Tritanopia (blue-blind)
#00B3AE
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #21adb0;
/* rgb */ color: rgb(33, 173, 176);
/* oklch */ color: oklch(68.1% 0.110 197.2);
Tailwind
colors: {
  custom: {
    50: '#79c6c7',
    500: '#21adb0',
    950: '#000000',
  },
}
SCSS
$custom: #21adb0;
$custom-light: #79c6c7;
$custom-dark: #000000;
JSON
{
  "hex": "#21adb0",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 176
  },
  "hsl": {
    "h": 181.259,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.68087,
    "c": 0.10992,
    "h": 197.2
  },
  "luminance": 0.33345
}

Semantic roles & 50–950 ramp

primary
#21ADB0
secondary
#C86664
accent
#403DEB
background
#F8FCFC
surface
#EFF8F8
border
#CAD1D1
text
#0B1313
muted
#7C8282

Preview Lab

Preview with #21ADB0

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

Preview Lab → · Contrast checker → · Palette generator →

#21ADB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva