#21A4AC#21A4AC

#21A4AC is a light, moderate teal. Relative luminance 0.299; OKLCH L 65.7% C 0.105 H 201.4°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX#21A4AC
RGBrgb(33, 164, 172)
HSLhsl(183, 68%, 40%)
HSVhsv(183, 81%, 67%)
CMYKcmyk(80.8%, 4.7%, 0%, 32.5%)
CIE-LABlab(61.52, -30.24, -13.82)
CIE-LCHlch(61.52, 33.24, 204.56°)
OKLaboklab(65.68% -0.098 -0.0384)
OKLCHoklch(65.68% 0.105 201.4)
XYZxyz(21.3457, 29.8501, 43.6584)
Luminance0.2985 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A4AC #AC2921
analogous
#21AC6E #21A4AC #215FAC
triadic
#21A4AC #AC21A4 #A4AC21
tetradic
#21A4AC #6E21AC #AC2921 #5FAC21
square
#21A4AC #6E21AC #AC2921 #5FAC21
split-complementary
#21A4AC #AC215F #AC6E21
monochromatic
#0D4245 #177379 #21A4AC #32CED8 #66DAE2

Accessibility & contrast

On white

3.01
#21A4AC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.97
#21A4AC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A4AC
6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A4AC#FFFFFF#000000##000000
##21A4AC1.003.016.976.97
#FFFFFF3.011.0021.0021.00
#0000006.9721.001.001.00
##0000006.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#979CAD
Deuteranopia (green-blind)
#848FAD
Tritanopia (blue-blind)
#00ABA6
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #21a4ac;
/* rgb */ color: rgb(33, 164, 172);
/* oklch */ color: oklch(65.7% 0.105 201.4);
Tailwind
colors: {
  custom: {
    50: '#77bfc4',
    500: '#21a4ac',
    950: '#000000',
  },
}
SCSS
$custom: #21a4ac;
$custom-light: #77bfc4;
$custom-dark: #000000;
JSON
{
  "hex": "#21a4ac",
  "rgb": {
    "r": 33,
    "g": 164,
    "b": 172
  },
  "hsl": {
    "h": 183.453,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.6568,
    "c": 0.10529,
    "h": 201.4
  },
  "luminance": 0.29853
}

Semantic roles & 50–950 ramp

primary
#21A4AC
secondary
#C76862
accent
#473DEB
background
#F8FBFC
surface
#EFF7F8
border
#CAD0D1
text
#0A1212
muted
#7C8181

Preview Lab

Preview with #21A4AC

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

Preview Lab → · Contrast checker → · Palette generator →

#21A4AC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva