#21A1A4#21A1A4

#21A1A4 is a light, moderate teal. Relative luminance 0.285; OKLCH L 64.6% C 0.103 H 197.4°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX#21A1A4
RGBrgb(33, 161, 164)
HSLhsl(181, 66%, 39%)
HSVhsv(181, 80%, 64%)
CMYKcmyk(79.9%, 1.8%, 0%, 35.7%)
CIE-LABlab(60.33, -31.27, -11.11)
CIE-LCHlch(60.33, 33.18, 199.55°)
OKLaboklab(64.62% -0.0986 -0.0309)
OKLCHoklch(64.62% 0.103 197.4)
XYZxyz(20.0698, 28.4909, 39.5563)
Luminance0.2849 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A1A4 #A42421
analogous
#21A465 #21A1A4 #215FA4
triadic
#21A1A4 #A421A1 #A1A421
tetradic
#21A1A4 #6521A4 #A42421 #5FA421
square
#21A1A4 #6521A4 #A42421 #5FA421
split-complementary
#21A1A4 #A4215F #A46521
monochromatic
#0C3D3E #176F71 #21A1A4 #2DD1D5 #60DCDF

Accessibility & contrast

On white

3.13
#21A1A4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.70
#21A1A4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A1A4
6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A1A4#FFFFFF#000000##000000
##21A1A41.003.136.706.70
#FFFFFF3.131.0021.0021.00
#0000006.7021.001.001.00
##0000006.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#9599A4
Deuteranopia (green-blind)
#838CA5
Tritanopia (blue-blind)
#00A7A2
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #21a1a4;
/* rgb */ color: rgb(33, 161, 164);
/* oklch */ color: oklch(64.6% 0.103 197.4);
Tailwind
colors: {
  custom: {
    50: '#76bdbe',
    500: '#21a1a4',
    950: '#000000',
  },
}
SCSS
$custom: #21a1a4;
$custom-light: #76bdbe;
$custom-dark: #000000;
JSON
{
  "hex": "#21a1a4",
  "rgb": {
    "r": 33,
    "g": 161,
    "b": 164
  },
  "hsl": {
    "h": 181.374,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.64623,
    "c": 0.10335,
    "h": 197.4
  },
  "luminance": 0.28493
}

Semantic roles & 50–950 ramp

primary
#21A1A4
secondary
#C45F5D
accent
#423EE9
background
#F7FBFB
surface
#EEF6F6
border
#C9D0D0
text
#0A1212
muted
#7C8181

Preview Lab

Preview with #21A1A4

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

Preview Lab → · Contrast checker → · Palette generator →

#21A1A4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva