#21AEB0#21AEB0

#21AEB0 is a light, moderate teal. Relative luminance 0.337; OKLCH L 68.3% C 0.110 H 196.4°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).

Color values

HEX#21AEB0
RGBrgb(33, 174, 176)
HSLhsl(181, 68%, 41%)
HSVhsv(181, 81%, 69%)
CMYKcmyk(81.3%, 1.1%, 0%, 31%)
CIE-LABlab(64.75, -33.79, -11.22)
CIE-LCHlch(64.75, 35.61, 198.36°)
OKLaboklab(68.34% -0.106 -0.0312)
OKLCHoklch(68.34% 0.11 196.4)
XYZxyz(23.5961, 33.7270, 46.3322)
Luminance0.3373 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21AEB0 #B02321
analogous
#21B06A #21AEB0 #2166B0
triadic
#21AEB0 #B021AE #AEB021
tetradic
#21AEB0 #6A21B0 #B02321 #66B021
square
#21AEB0 #6A21B0 #B02321 #66B021
split-complementary
#21AEB0 #B02166 #B06A21
monochromatic
#0E4849 #177B7C #21AEB0 #35D7D9 #69E1E3

Accessibility & contrast

On white

2.71
#21AEB0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.75
#21AEB0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AEB0
7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21AEB0#FFFFFF#000000##000000
##21AEB01.002.717.757.75
#FFFFFF2.711.0021.0021.00
#0000007.7521.001.001.00
##0000007.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A2A5B0
Deuteranopia (green-blind)
#8E97B1
Tritanopia (blue-blind)
#00B4AE
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #21aeb0;
/* rgb */ color: rgb(33, 174, 176);
/* oklch */ color: oklch(68.3% 0.110 196.4);
Tailwind
colors: {
  custom: {
    50: '#79c6c7',
    500: '#21aeb0',
    950: '#000000',
  },
}
SCSS
$custom: #21aeb0;
$custom-light: #79c6c7;
$custom-dark: #000000;
JSON
{
  "hex": "#21aeb0",
  "rgb": {
    "r": 33,
    "g": 174,
    "b": 176
  },
  "hsl": {
    "h": 180.839,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.68338,
    "c": 0.11048,
    "h": 196.4
  },
  "luminance": 0.3373
}

Semantic roles & 50–950 ramp

primary
#21AEB0
secondary
#C86664
accent
#3F3DEB
background
#F8FCFC
surface
#EFF8F8
border
#CAD1D1
text
#0B1313
muted
#7C8282

Preview Lab

Preview with #21AEB0

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

Preview Lab → · Contrast checker → · Palette generator →

#21AEB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva