#21B2BD#21B2BD

#21B2BD is a light, moderate teal. Relative luminance 0.358; OKLCH L 69.8% C 0.113 H 203.1°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#21B2BD
RGB	rgb(33, 178, 189)
HSL	hsl(184, 70%, 44%)
HSV	hsv(184, 83%, 74%)
CMYK	cmyk(82.5%, 5.8%, 0%, 25.9%)
CIE-LAB	lab(66.39, -31.70, -15.95)
CIE-LCH	lch(66.39, 35.49, 206.71°)
OKLab	oklab(69.82% -0.1041 -0.0444)
OKLCH	oklch(69.82% 0.113 203.1)
XYZ	xyz(25.7287, 35.8350, 53.6950)
Luminance	0.3584 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B2BD #BD2C21

analogous

#21BD7A #21B2BD #2164BD

triadic

#21B2BD #BD21B2 #B2BD21

tetradic

#21B2BD #7A21BD #BD2C21 #64BD21

square

#21B2BD #7A21BD #BD2C21 #64BD21

split-complementary

#21B2BD #BD2164 #BD7A21

monochromatic

#0F5055 #188189 #21B2BD #3ED2DD #72DEE6

Accessibility & contrast

On white

2.57

#21B2BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#21B2BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B2BD

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B2BD	#FFFFFF	#000000	##000000
##21B2BD	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AABE

Deuteranopia (green-blind)

#8F9BBE

Tritanopia (blue-blind)

#00BAB5

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #21b2bd;
/* rgb */ color: rgb(33, 178, 189);
/* oklch */ color: oklch(69.8% 0.113 203.1);

Tailwind

colors: {
  custom: {
    50: '#7bc9d0',
    500: '#21b2bd',
    950: '#000000',
  },
}

SCSS

$custom: #21b2bd;
$custom-light: #7bc9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#21b2bd",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 189
  },
  "hsl": {
    "h": 184.231,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.69816,
    "c": 0.11321,
    "h": 203.1
  },
  "luminance": 0.35838
}

Semantic roles & 50–950 ramp

primary

#21B2BD

secondary

#CD736D

accent

#473BED

background

#F8FCFC

surface

#EFF8F9

border

#CAD1D2

text

#0B1314

muted

#7C8282

Preview Lab

Preview with #21B2BD

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

Preview Lab → · Contrast checker → · Palette generator →