#21B3CA#21B3CA

#21B3CA is a light, moderate teal. Relative luminance 0.368; OKLCH L 70.6% C 0.117 H 211.6°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX#21B3CA
RGBrgb(33, 179, 202)
HSLhsl(188, 72%, 46%)
HSVhsv(188, 84%, 79%)
CMYKcmyk(83.7%, 11.4%, 0%, 20.8%)
CIE-LABlab(67.14, -28.07, -22.00)
CIE-LCHlch(67.14, 35.66, 218.08°)
OKLaboklab(70.57% -0.0996 -0.0614)
OKLCHoklch(70.57% 0.117 211.6)
XYZxyz(27.4033, 36.8243, 61.5292)
Luminance0.3683 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B3CA #CA3821
analogous
#21CA8C #21B3CA #215ECA
triadic
#21B3CA #CA21B3 #B3CA21
tetradic
#21B3CA #8C21CA #CA3821 #5ECA21
square
#21B3CA #8C21CA #CA3821 #5ECA21
split-complementary
#21B3CA #CA215E #CA8C21
monochromatic
#105661 #188495 #21B3CA #47CCE1 #7CDBEA

Accessibility & contrast

On white

2.51
#21B3CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.37
#21B3CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B3CA
8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B3CA#FFFFFF#000000##000000
##21B3CA1.002.518.378.37
#FFFFFF2.511.0021.0021.00
#0000008.3721.001.001.00
##0000008.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A1ACCB
Deuteranopia (green-blind)
#8B9DCA
Tritanopia (blue-blind)
#00BCBA
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #21b3ca;
/* rgb */ color: rgb(33, 179, 202);
/* oklch */ color: oklch(70.6% 0.117 211.6);
Tailwind
colors: {
  custom: {
    50: '#7dcada',
    500: '#21b3ca',
    950: '#000000',
  },
}
SCSS
$custom: #21b3ca;
$custom-light: #7dcada;
$custom-dark: #000000;
JSON
{
  "hex": "#21b3ca",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 202
  },
  "hsl": {
    "h": 188.166,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.70573,
    "c": 0.11704,
    "h": 211.6
  },
  "luminance": 0.36828
}

Semantic roles & 50–950 ramp

primary
#21B3CA
secondary
#D28275
accent
#5239EF
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1314
muted
#7D8283

Preview Lab

Preview with #21B3CA

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

Preview Lab → · Contrast checker → · Palette generator →

#21B3CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva