#21BDB0#21BDB0

#21BDB0 is a light, vivid teal. Relative luminance 0.399; OKLCH L 72.1% C 0.121 H 185.9°. Best body text is #000000 at 8.97:1 contrast (WCAG AA passes).

Color values

HEX#21BDB0
RGBrgb(33, 189, 176)
HSLhsl(175, 70%, 44%)
HSVhsv(175, 83%, 74%)
CMYKcmyk(82.5%, 0%, 6.9%, 25.9%)
CIE-LABlab(69.36, -40.65, -4.35)
CIE-LCHlch(69.36, 40.89, 186.11°)
OKLaboklab(72.1% -0.1204 -0.0124)
OKLCHoklch(72.1% 0.121 185.9)
XYZxyz(26.6574, 39.8497, 47.3527)
Luminance0.3985 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21BDB0 #BD212E
analogous
#21BD62 #21BDB0 #217CBD
triadic
#21BDB0 #B021BD #BDB021
tetradic
#21BDB0 #6221BD #BD212E #7CBD21
square
#21BDB0 #6221BD #BD212E #7CBD21
split-complementary
#21BDB0 #BD217C #BD6221
monochromatic
#0F554F #18897F #21BDB0 #3EDDD0 #72E6DD

Accessibility & contrast

On white

2.34
#21BDB0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.97
#21BDB0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BDB0
8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21BDB0#FFFFFF#000000##000000
##21BDB01.002.348.978.97
#FFFFFF2.341.0021.0021.00
#0000008.9721.001.001.00
##0000008.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B3B2B0
Deuteranopia (green-blind)
#9FA3B1
Tritanopia (blue-blind)
#00C2B9
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #21bdb0;
/* rgb */ color: rgb(33, 189, 176);
/* oklch */ color: oklch(72.1% 0.121 185.9);
Tailwind
colors: {
  custom: {
    50: '#7bd1c7',
    500: '#21bdb0',
    950: '#000000',
  },
}
SCSS
$custom: #21bdb0;
$custom-light: #7bd1c7;
$custom-dark: #000000;
JSON
{
  "hex": "#21bdb0",
  "rgb": {
    "r": 33,
    "g": 189,
    "b": 176
  },
  "hsl": {
    "h": 175,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.72099,
    "c": 0.12107,
    "h": 185.9
  },
  "luminance": 0.39853
}

Semantic roles & 50–950 ramp

primary
#21BDB0
secondary
#CD6D75
accent
#3B4AED
background
#F8FCFC
surface
#EFF9F8
border
#CAD2D1
text
#0B1413
muted
#7C8282

Preview Lab

Preview with #21BDB0

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

Preview Lab → · Contrast checker → · Palette generator →

#21BDB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva