#21BDB1#21BDB1

#21BDB1 is a light, vivid teal. Relative luminance 0.399; OKLCH L 72.1% C 0.121 H 186.6°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX#21BDB1
RGBrgb(33, 189, 177)
HSLhsl(175, 70%, 44%)
HSVhsv(175, 83%, 74%)
CMYKcmyk(82.5%, 0%, 6.3%, 25.9%)
CIE-LABlab(69.39, -40.37, -4.86)
CIE-LCHlch(69.39, 40.66, 186.86°)
OKLaboklab(72.13% -0.12 -0.0138)
OKLCHoklch(72.13% 0.121 186.6)
XYZxyz(26.7567, 39.8894, 47.8757)
Luminance0.3989 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21BDB1 #BD212D
analogous
#21BD63 #21BDB1 #217BBD
triadic
#21BDB1 #B121BD #BDB121
tetradic
#21BDB1 #6321BD #BD212D #7BBD21
square
#21BDB1 #6321BD #BD212D #7BBD21
split-complementary
#21BDB1 #BD217B #BD6321
monochromatic
#0F554F #188980 #21BDB1 #3EDDD1 #72E6DD

Accessibility & contrast

On white

2.34
#21BDB1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.98
#21BDB1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BDB1
8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21BDB1#FFFFFF#000000##000000
##21BDB11.002.348.988.98
#FFFFFF2.341.0021.0021.00
#0000008.9821.001.001.00
##0000008.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#B2B2B1
Deuteranopia (green-blind)
#9EA3B2
Tritanopia (blue-blind)
#00C2B9
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #21bdb1;
/* rgb */ color: rgb(33, 189, 177);
/* oklch */ color: oklch(72.1% 0.121 186.6);
Tailwind
colors: {
  custom: {
    50: '#7bd1c8',
    500: '#21bdb1',
    950: '#000000',
  },
}
SCSS
$custom: #21bdb1;
$custom-light: #7bd1c8;
$custom-dark: #000000;
JSON
{
  "hex": "#21bdb1",
  "rgb": {
    "r": 33,
    "g": 189,
    "b": 177
  },
  "hsl": {
    "h": 175.385,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.72131,
    "c": 0.12076,
    "h": 186.6
  },
  "luminance": 0.39893
}

Semantic roles & 50–950 ramp

primary
#21BDB1
secondary
#CD6D74
accent
#3B48ED
background
#F8FCFC
surface
#EFF9F8
border
#CAD2D1
text
#0B1413
muted
#7C8282

Preview Lab

Preview with #21BDB1

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

Preview Lab → · Contrast checker → · Palette generator →

#21BDB1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva