#21B0BD#21B0BD

#21B0BD is a light, moderate teal. Relative luminance 0.350; OKLCH L 69.3% C 0.113 H 204.7°. Best body text is #000000 at 8.01:1 contrast (WCAG AA passes).

Color values

HEX#21B0BD
RGBrgb(33, 176, 189)
HSLhsl(185, 70%, 44%)
HSVhsv(185, 83%, 74%)
CMYKcmyk(82.5%, 6.9%, 0%, 25.9%)
CIE-LABlab(65.78, -30.74, -16.88)
CIE-LCHlch(65.78, 35.07, 208.77°)
OKLaboklab(69.32% -0.1022 -0.047)
OKLCHoklch(69.32% 0.113 204.7)
XYZxyz(25.3337, 35.0449, 53.5634)
Luminance0.3505 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B0BD #BD2E21
analogous
#21BD7C #21B0BD #2162BD
triadic
#21B0BD #BD21B0 #B0BD21
tetradic
#21B0BD #7C21BD #BD2E21 #62BD21
square
#21B0BD #7C21BD #BD2E21 #62BD21
split-complementary
#21B0BD #BD2162 #BD7C21
monochromatic
#0F4F55 #187F89 #21B0BD #3ED0DD #72DDE6

Accessibility & contrast

On white

2.62
#21B0BD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.01
#21B0BD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B0BD
8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B0BD#FFFFFF#000000##000000
##21B0BD1.002.628.018.01
#FFFFFF2.621.0021.0021.00
#0000008.0121.001.001.00
##0000008.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#A1A8BE
Deuteranopia (green-blind)
#8C99BD
Tritanopia (blue-blind)
#00B8B4
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #21b0bd;
/* rgb */ color: rgb(33, 176, 189);
/* oklch */ color: oklch(69.3% 0.113 204.7);
Tailwind
colors: {
  custom: {
    50: '#7bc8d0',
    500: '#21b0bd',
    950: '#000000',
  },
}
SCSS
$custom: #21b0bd;
$custom-light: #7bc8d0;
$custom-dark: #000000;
JSON
{
  "hex": "#21b0bd",
  "rgb": {
    "r": 33,
    "g": 176,
    "b": 189
  },
  "hsl": {
    "h": 185,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.69322,
    "c": 0.11251,
    "h": 204.7
  },
  "luminance": 0.35048
}

Semantic roles & 50–950 ramp

primary
#21B0BD
secondary
#CD756D
accent
#4A3BED
background
#F8FCFC
surface
#EFF8F9
border
#CAD1D2
text
#0B1314
muted
#7C8282

Preview Lab

Preview with #21B0BD

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

Preview Lab → · Contrast checker → · Palette generator →

#21B0BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva