#21B3BD#21B3BD

#21B3BD is a light, moderate teal. Relative luminance 0.362; OKLCH L 70.1% C 0.114 H 202.3°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#21B3BD
RGB	rgb(33, 179, 189)
HSL	hsl(184, 70%, 44%)
HSV	hsv(184, 83%, 74%)
CMYK	cmyk(82.5%, 5.3%, 0%, 25.9%)
CIE-LAB	lab(66.70, -32.18, -15.49)
CIE-LCH	lch(66.70, 35.72, 205.71°)
OKLab	oklab(70.06% -0.1051 -0.0431)
OKLCH	oklch(70.06% 0.114 202.3)
XYZ	xyz(25.9284, 36.2343, 53.7616)
Luminance	0.3624 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B3BD #BD2B21

analogous

#21BD79 #21B3BD #2165BD

triadic

#21B3BD #BD21B3 #B3BD21

tetradic

#21B3BD #7921BD #BD2B21 #65BD21

square

#21B3BD #7921BD #BD2B21 #65BD21

split-complementary

#21B3BD #BD2165 #BD7921

monochromatic

#0F5055 #188289 #21B3BD #3ED3DD #72DFE6

Accessibility & contrast

On white

2.55

#21B3BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#21B3BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B3BD

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B3BD	#FFFFFF	#000000	##000000
##21B3BD	1.00	2.55	8.25	8.25
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4ABBE

Deuteranopia (green-blind)

#909CBE

Tritanopia (blue-blind)

#00BAB6

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #21b3bd;
/* rgb */ color: rgb(33, 179, 189);
/* oklch */ color: oklch(70.1% 0.114 202.3);

Tailwind

colors: {
  custom: {
    50: '#7bcad0',
    500: '#21b3bd',
    950: '#000000',
  },
}

SCSS

$custom: #21b3bd;
$custom-light: #7bcad0;
$custom-dark: #000000;

JSON

{
  "hex": "#21b3bd",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 189
  },
  "hsl": {
    "h": 183.846,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.70063,
    "c": 0.11358,
    "h": 202.3
  },
  "luminance": 0.36238
}

Semantic roles & 50–950 ramp

primary

#21B3BD

secondary

#CD736D

accent

#463BED

background

#F8FCFC

surface

#EFF8F9

border

#CAD1D2

text

#0B1314

muted

#7C8282

Preview Lab

Preview with #21B3BD

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

Preview Lab → · Contrast checker → · Palette generator →