#21B8BD#21B8BD

#21B8BD is a light, moderate teal. Relative luminance 0.383; OKLCH L 71.3% C 0.116 H 198.5°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#21B8BD
RGB	rgb(33, 184, 189)
HSL	hsl(182, 70%, 44%)
HSV	hsv(182, 83%, 74%)
CMYK	cmyk(82.5%, 2.6%, 0%, 25.9%)
CIE-LAB	lab(68.22, -34.55, -13.20)
CIE-LCH	lch(68.22, 36.99, 200.90°)
OKLab	oklab(71.3% -0.1098 -0.0367)
OKLCH	oklch(71.3% 0.116 198.5)
XYZ	xyz(26.9488, 38.2750, 54.1017)
Luminance	0.3828 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B8BD #BD2621

analogous

#21BD74 #21B8BD #216ABD

triadic

#21B8BD #BD21B8 #B8BD21

tetradic

#21B8BD #7421BD #BD2621 #6ABD21

square

#21B8BD #7421BD #BD2621 #6ABD21

split-complementary

#21B8BD #BD216A #BD7421

monochromatic

#0F5355 #188589 #21B8BD #3ED8DD #72E3E6

Accessibility & contrast

On white

2.43

#21B8BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.66

#21B8BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B8BD

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B8BD	#FFFFFF	#000000	##000000
##21B8BD	1.00	2.43	8.66	8.66
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.66	21.00	1.00	1.00
##000000	8.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAAFBE

Deuteranopia (green-blind)

#95A0BE

Tritanopia (blue-blind)

#00BFB9

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #21b8bd;
/* rgb */ color: rgb(33, 184, 189);
/* oklch */ color: oklch(71.3% 0.116 198.5);

Tailwind

colors: {
  custom: {
    50: '#7cced0',
    500: '#21b8bd',
    950: '#000000',
  },
}

SCSS

$custom: #21b8bd;
$custom-light: #7cced0;
$custom-dark: #000000;

JSON

{
  "hex": "#21b8bd",
  "rgb": {
    "r": 33,
    "g": 184,
    "b": 189
  },
  "hsl": {
    "h": 181.923,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.713,
    "c": 0.11581,
    "h": 198.5
  },
  "luminance": 0.38278
}

Semantic roles & 50–950 ramp

primary

#21B8BD

secondary

#CD706D

accent

#403BED

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0B1314

muted

#7C8282

Preview Lab

Preview with #21B8BD

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

Preview Lab → · Contrast checker → · Palette generator →