#21AAAA#21AAAA

#21AAAA is a light, moderate teal. Relative luminance 0.320; OKLCH L 67.1% C 0.108 H 194.9°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX#21AAAA
RGBrgb(33, 170, 170)
HSLhsl(180, 67%, 40%)
HSVhsv(180, 81%, 67%)
CMYKcmyk(80.6%, 0%, 0%, 33.3%)
CIE-LABlab(63.32, -33.72, -10.00)
CIE-LCHlch(63.32, 35.17, 196.52°)
OKLaboklab(67.12% -0.1048 -0.0278)
OKLCHoklch(67.12% 0.108 194.9)
XYZxyz(22.2542, 31.9722, 43.0208)
Luminance0.3197 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21AAAA #AA2121
analogous
#21AA66 #21AAAA #2166AA
triadic
#21AAAA #AA21AA #AAAA21
tetradic
#21AAAA #6621AA #AA2121 #66AA21
square
#21AAAA #6621AA #AA2121 #66AA21
split-complementary
#21AAAA #AA2166 #AA6621
monochromatic
#0D4343 #177777 #21AAAA #31D7D7 #64E1E1

Accessibility & contrast

On white

2.84
#21AAAA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.39
#21AAAA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AAAA
7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21AAAA#FFFFFF#000000##000000
##21AAAA1.002.847.397.39
#FFFFFF2.841.0021.0021.00
#0000007.3921.001.001.00
##0000007.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#9EA1AA
Deuteranopia (green-blind)
#8B93AB
Tritanopia (blue-blind)
#00B0AA
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #21aaaa;
/* rgb */ color: rgb(33, 170, 170);
/* oklch */ color: oklch(67.1% 0.108 194.9);
Tailwind
colors: {
  custom: {
    50: '#78c4c3',
    500: '#21aaaa',
    950: '#000000',
  },
}
SCSS
$custom: #21aaaa;
$custom-light: #78c4c3;
$custom-dark: #000000;
JSON
{
  "hex": "#21aaaa",
  "rgb": {
    "r": 33,
    "g": 170,
    "b": 170
  },
  "hsl": {
    "h": 180,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.67117,
    "c": 0.10841,
    "h": 194.9
  },
  "luminance": 0.31975
}

Semantic roles & 50–950 ramp

primary
#21AAAA
secondary
#C66161
accent
#3D3DEA
background
#F8FCFB
surface
#EFF8F7
border
#CAD1D0
text
#0B1212
muted
#7C8181

Preview Lab

Preview with #21AAAA

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

Preview Lab → · Contrast checker → · Palette generator →

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