#21B3AE#21B3AE

#21B3AE is a light, moderate teal. Relative luminance 0.356; OKLCH L 69.5% C 0.114 H 191.2°. Best body text is #000000 at 8.12:1 contrast (WCAG AA passes).

Color values

HEX#21B3AE
RGBrgb(33, 179, 174)
HSLhsl(178, 69%, 42%)
HSVhsv(178, 82%, 70%)
CMYKcmyk(81.6%, 0%, 2.8%, 29.8%)
CIE-LABlab(66.23, -36.72, -7.89)
CIE-LCHlch(66.23, 37.56, 192.13°)
OKLaboklab(69.52% -0.1117 -0.0221)
OKLCHoklch(69.52% 0.114 191.2)
XYZxyz(24.3836, 35.6164, 45.6257)
Luminance0.3562 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B3AE #B32126
analogous
#21B365 #21B3AE #216FB3
triadic
#21B3AE #AE21B3 #B3AE21
tetradic
#21B3AE #6521B3 #B32126 #6FB321
square
#21B3AE #6521B3 #B32126 #6FB321
split-complementary
#21B3AE #B3216F #B36521
monochromatic
#0E4C4A #177F7C #21B3AE #37DAD5 #6BE4E0

Accessibility & contrast

On white

2.58
#21B3AE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.12
#21B3AE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B3AE
8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B3AE#FFFFFF#000000##000000
##21B3AE1.002.588.128.12
#FFFFFF2.581.0021.0021.00
#0000008.1221.001.001.00
##0000008.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8A9AE
Deuteranopia (green-blind)
#949BAF
Tritanopia (blue-blind)
#00B8B1
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #21b3ae;
/* rgb */ color: rgb(33, 179, 174);
/* oklch */ color: oklch(69.5% 0.114 191.2);
Tailwind
colors: {
  custom: {
    50: '#7acac6',
    500: '#21b3ae',
    950: '#000000',
  },
}
SCSS
$custom: #21b3ae;
$custom-light: #7acac6;
$custom-dark: #000000;
JSON
{
  "hex": "#21b3ae",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 174
  },
  "hsl": {
    "h": 177.945,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.69522,
    "c": 0.11387,
    "h": 191.2
  },
  "luminance": 0.3562
}

Semantic roles & 50–950 ramp

primary
#21B3AE
secondary
#CA666A
accent
#3C42EC
background
#F8FCFC
surface
#EFF8F8
border
#CAD1D1
text
#0B1313
muted
#7C8282

Preview Lab

Preview with #21B3AE

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

Preview Lab → · Contrast checker → · Palette generator →

#21B3AE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva