#21B0AA#21B0AA

#21B0AA is a light, moderate teal. Relative luminance 0.343; OKLCH L 68.6% C 0.112 H 190.4°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX#21B0AA
RGBrgb(33, 176, 170)
HSLhsl(177, 68%, 41%)
HSVhsv(177, 81%, 69%)
CMYKcmyk(81.3%, 0%, 3.4%, 31%)
CIE-LABlab(65.18, -36.51, -7.23)
CIE-LCHlch(65.18, 37.22, 191.20°)
OKLaboklab(68.63% -0.1106 -0.0202)
OKLCHoklch(68.63% 0.112 190.4)
XYZxyz(23.4048, 34.2733, 43.4043)
Luminance0.3428 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B0AA #B02127
analogous
#21B063 #21B0AA #216EB0
triadic
#21B0AA #AA21B0 #B0AA21
tetradic
#21B0AA #6321B0 #B02127 #6EB021
square
#21B0AA #6321B0 #B02127 #6EB021
split-complementary
#21B0AA #B0216E #B06321
monochromatic
#0E4946 #177C78 #21B0AA #35D9D2 #69E3DE

Accessibility & contrast

On white

2.67
#21B0AA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.86
#21B0AA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B0AA
7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B0AA#FFFFFF#000000##000000
##21B0AA1.002.677.867.86
#FFFFFF2.671.0021.0021.00
#0000007.8621.001.001.00
##0000007.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5A6AA
Deuteranopia (green-blind)
#9298AB
Tritanopia (blue-blind)
#00B5AE
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #21b0aa;
/* rgb */ color: rgb(33, 176, 170);
/* oklch */ color: oklch(68.6% 0.112 190.4);
Tailwind
colors: {
  custom: {
    50: '#79c8c3',
    500: '#21b0aa',
    950: '#000000',
  },
}
SCSS
$custom: #21b0aa;
$custom-light: #79c8c3;
$custom-dark: #000000;
JSON
{
  "hex": "#21b0aa",
  "rgb": {
    "r": 33,
    "g": 176,
    "b": 170
  },
  "hsl": {
    "h": 177.483,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.6863,
    "c": 0.11246,
    "h": 190.4
  },
  "luminance": 0.34276
}

Semantic roles & 50–950 ramp

primary
#21B0AA
secondary
#C86469
accent
#3D44EB
background
#F8FCFB
surface
#EFF8F7
border
#CAD1D0
text
#0B1312
muted
#7C8281

Preview Lab

Preview with #21B0AA

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

Preview Lab → · Contrast checker → · Palette generator →

#21B0AA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva