#21B7BE#21B7BE

#21B7BE is a light, moderate teal. Relative luminance 0.379; OKLCH L 71.1% C 0.115 H 200.0°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#21B7BE
RGB	rgb(33, 183, 190)
HSL	hsl(183, 70%, 44%)
HSV	hsv(183, 83%, 75%)
CMYK	cmyk(82.6%, 3.7%, 0%, 25.5%)
CIE-LAB	lab(67.95, -33.78, -14.16)
CIE-LCH	lch(67.95, 36.62, 202.74°)
OKLab	oklab(71.09% -0.1084 -0.0394)
OKLCH	oklch(71.09% 0.115 200)
XYZ	xyz(26.8507, 37.9046, 54.6064)
Luminance	0.3791 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B7BE #BE2821

analogous

#21BE76 #21B7BE #2168BE

triadic

#21B7BE #BE21B7 #B7BE21

tetradic

#21B7BE #7621BE #BE2821 #68BE21

square

#21B7BE #7621BE #BE2821 #68BE21

split-complementary

#21B7BE #BE2168 #BE7621

monochromatic

#0F5356 #18858A #21B7BE #3FD6DE #73E1E7

Accessibility & contrast

On white

2.45

#21B7BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#21B7BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B7BE

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B7BE	#FFFFFF	#000000	##000000
##21B7BE	1.00	2.45	8.58	8.58
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.58	21.00	1.00	1.00
##000000	8.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9AEBF

Deuteranopia (green-blind)

#949FBF

Tritanopia (blue-blind)

#00BEB9

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #21b7be;
/* rgb */ color: rgb(33, 183, 190);
/* oklch */ color: oklch(71.1% 0.115 200.0);

Tailwind

colors: {
  custom: {
    50: '#7ccdd1',
    500: '#21b7be',
    950: '#000000',
  },
}

SCSS

$custom: #21b7be;
$custom-light: #7ccdd1;
$custom-dark: #000000;

JSON

{
  "hex": "#21b7be",
  "rgb": {
    "r": 33,
    "g": 183,
    "b": 190
  },
  "hsl": {
    "h": 182.675,
    "s": 70.404,
    "l": 43.725
  },
  "oklch": {
    "l": 0.7109,
    "c": 0.11538,
    "h": 200
  },
  "luminance": 0.37908
}

Semantic roles & 50–950 ramp

primary

#21B7BE

secondary

#CD726D

accent

#433BED

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0B1314

muted

#7C8282

Preview Lab

Preview with #21B7BE

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

Preview Lab → · Contrast checker → · Palette generator →