#21BDB2#21BDB2

#21BDB2 is a light, vivid teal. Relative luminance 0.399; OKLCH L 72.2% C 0.120 H 187.2°. Best body text is #000000 at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#21BDB2
RGB	rgb(33, 189, 178)
HSL	hsl(176, 70%, 44%)
HSV	hsv(176, 83%, 74%)
CMYK	cmyk(82.5%, 0%, 5.8%, 25.9%)
CIE-LAB	lab(69.42, -40.08, -5.36)
CIE-LCH	lch(69.42, 40.44, 187.62°)
OKLab	oklab(72.16% -0.1195 -0.0152)
OKLCH	oklch(72.16% 0.12 187.2)
XYZ	xyz(26.8568, 39.9294, 48.4025)
Luminance	0.3993 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BDB2 #BD212C

analogous

#21BD64 #21BDB2 #217ABD

triadic

#21BDB2 #B221BD #BDB221

tetradic

#21BDB2 #6421BD #BD212C #7ABD21

square

#21BDB2 #6421BD #BD212C #7ABD21

split-complementary

#21BDB2 #BD217A #BD6421

monochromatic

#0F5550 #188981 #21BDB2 #3EDDD2 #72E6DE

Accessibility & contrast

On white

2.34

#21BDB2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.99

#21BDB2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BDB2

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BDB2	#FFFFFF	#000000	##000000
##21BDB2	1.00	2.34	8.99	8.99
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.99	21.00	1.00	1.00
##000000	8.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2B2B2

Deuteranopia (green-blind)

#9EA3B3

Tritanopia (blue-blind)

#00C2B9

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #21bdb2;
/* rgb */ color: rgb(33, 189, 178);
/* oklch */ color: oklch(72.2% 0.120 187.2);

Tailwind

colors: {
  custom: {
    50: '#7cd1c9',
    500: '#21bdb2',
    950: '#000000',
  },
}

SCSS

$custom: #21bdb2;
$custom-light: #7cd1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#21bdb2",
  "rgb": {
    "r": 33,
    "g": 189,
    "b": 178
  },
  "hsl": {
    "h": 175.769,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.72164,
    "c": 0.12048,
    "h": 187.2
  },
  "luminance": 0.39933
}

Semantic roles & 50–950 ramp

primary

#21BDB2

secondary

#CD6D73

accent

#3B47ED

background

#F8FCFC

surface

#EFF9F8

border

#CAD2D1

text

#0B1413

muted

#7C8282

Preview Lab

Preview with #21BDB2

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

Preview Lab → · Contrast checker → · Palette generator →