#21A0A4#21A0A4

#21A0A4 is a light, moderate teal. Relative luminance 0.281; OKLCH L 64.4% C 0.103 H 198.2°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX#21A0A4
RGBrgb(33, 160, 164)
HSLhsl(182, 66%, 39%)
HSVhsv(182, 80%, 64%)
CMYKcmyk(79.9%, 2.4%, 0%, 35.7%)
CIE-LABlab(60.02, -30.78, -11.57)
CIE-LCHlch(60.02, 32.89, 200.60°)
OKLaboklab(64.37% -0.0976 -0.0322)
OKLCHoklch(64.37% 0.103 198.2)
XYZxyz(19.8958, 28.1428, 39.4983)
Luminance0.2814 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A0A4 #A42521
analogous
#21A466 #21A0A4 #215EA4
triadic
#21A0A4 #A421A0 #A0A421
tetradic
#21A0A4 #6621A4 #A42521 #5EA421
square
#21A0A4 #6621A4 #A42521 #5EA421
split-complementary
#21A0A4 #A4215E #A46621
monochromatic
#0C3D3E #176E71 #21A0A4 #2DD0D5 #60DBDF

Accessibility & contrast

On white

3.17
#21A0A4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.63
#21A0A4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A0A4
6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A0A4#FFFFFF#000000##000000
##21A0A41.003.176.636.63
#FFFFFF3.171.0021.0021.00
#0000006.6321.001.001.00
##0000006.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#9498A4
Deuteranopia (green-blind)
#828BA5
Tritanopia (blue-blind)
#00A6A1
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #21a0a4;
/* rgb */ color: rgb(33, 160, 164);
/* oklch */ color: oklch(64.4% 0.103 198.2);
Tailwind
colors: {
  custom: {
    50: '#76bcbf',
    500: '#21a0a4',
    950: '#000000',
  },
}
SCSS
$custom: #21a0a4;
$custom-light: #76bcbf;
$custom-dark: #000000;
JSON
{
  "hex": "#21a0a4",
  "rgb": {
    "r": 33,
    "g": 160,
    "b": 164
  },
  "hsl": {
    "h": 181.832,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.6437,
    "c": 0.10282,
    "h": 198.2
  },
  "luminance": 0.28145
}

Semantic roles & 50–950 ramp

primary
#21A0A4
secondary
#C4605D
accent
#443EE9
background
#F7FBFB
surface
#EEF6F6
border
#C9D0D0
text
#0A1212
muted
#7C8181

Preview Lab

Preview with #21A0A4

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

Preview Lab → · Contrast checker → · Palette generator →

#21A0A4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva