#21AAA9#21AAA9

#21AAA9 is a light, moderate teal. Relative luminance 0.319; OKLCH L 67.1% C 0.108 H 194.1°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX#21AAA9
RGBrgb(33, 170, 169)
HSLhsl(180, 67%, 40%)
HSVhsv(180, 81%, 67%)
CMYKcmyk(80.6%, 0%, 0.6%, 33.3%)
CIE-LABlab(63.29, -34.02, -9.49)
CIE-LCHlch(63.29, 35.32, 195.58°)
OKLaboklab(67.08% -0.1052 -0.0264)
OKLCHoklch(67.08% 0.108 194.1)
XYZxyz(22.1600, 31.9346, 42.5245)
Luminance0.3194 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21AAA9 #AA2122
analogous
#21AA65 #21AAA9 #2167AA
triadic
#21AAA9 #A921AA #AAA921
tetradic
#21AAA9 #6521AA #AA2122 #67AA21
square
#21AAA9 #6521AA #AA2122 #67AA21
split-complementary
#21AAA9 #AA2167 #AA6521
monochromatic
#0D4343 #177776 #21AAA9 #31D7D6 #64E1E0

Accessibility & contrast

On white

2.84
#21AAA9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.39
#21AAA9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AAA9
7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21AAA9#FFFFFF#000000##000000
##21AAA91.002.847.397.39
#FFFFFF2.841.0021.0021.00
#0000007.3921.001.001.00
##0000007.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#9EA1A9
Deuteranopia (green-blind)
#8C93AA
Tritanopia (blue-blind)
#00B0A9
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #21aaa9;
/* rgb */ color: rgb(33, 170, 169);
/* oklch */ color: oklch(67.1% 0.108 194.1);
Tailwind
colors: {
  custom: {
    50: '#78c4c2',
    500: '#21aaa9',
    950: '#000000',
  },
}
SCSS
$custom: #21aaa9;
$custom-light: #78c4c2;
$custom-dark: #000000;
JSON
{
  "hex": "#21aaa9",
  "rgb": {
    "r": 33,
    "g": 170,
    "b": 169
  },
  "hsl": {
    "h": 179.562,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.67081,
    "c": 0.10849,
    "h": 194.1
  },
  "luminance": 0.31937
}

Semantic roles & 50–950 ramp

primary
#21AAA9
secondary
#C66161
accent
#3D3FEA
background
#F8FCFB
surface
#EFF8F7
border
#CAD1D0
text
#0A1212
muted
#7C8181

Preview Lab

Preview with #21AAA9

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

Preview Lab → · Contrast checker → · Palette generator →

#21AAA9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva