#21B8BE#21B8BE

#21B8BE is a light, moderate teal. Relative luminance 0.383; OKLCH L 71.3% C 0.116 H 199.2°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#21B8BE
RGB	rgb(33, 184, 190)
HSL	hsl(182, 70%, 44%)
HSV	hsv(182, 83%, 75%)
CMYK	cmyk(82.6%, 3.2%, 0%, 25.5%)
CIE-LAB	lab(68.25, -34.25, -13.70)
CIE-LCH	lch(68.25, 36.89, 201.80°)
OKLab	oklab(71.34% -0.1094 -0.0381)
OKLCH	oklch(71.34% 0.116 199.2)
XYZ	xyz(27.0577, 38.3186, 54.6754)
Luminance	0.3832 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B8BE #BE2721

analogous

#21BE75 #21B8BE #2169BE

triadic

#21B8BE #BE21B8 #B8BE21

tetradic

#21B8BE #7521BE #BE2721 #69BE21

square

#21B8BE #7521BE #BE2721 #69BE21

split-complementary

#21B8BE #BE2169 #BE7521

monochromatic

#0F5356 #18868A #21B8BE #3FD8DE #73E2E7

Accessibility & contrast

On white

2.42

#21B8BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.66

#21B8BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B8BE

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B8BE	#FFFFFF	#000000	##000000
##21B8BE	1.00	2.42	8.66	8.66
#FFFFFF	2.42	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)

#AAAFBF

Deuteranopia (green-blind)

#95A0BF

Tritanopia (blue-blind)

#00BFB9

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #21b8be;
/* rgb */ color: rgb(33, 184, 190);
/* oklch */ color: oklch(71.3% 0.116 199.2);

Tailwind

colors: {
  custom: {
    50: '#7cced1',
    500: '#21b8be',
    950: '#000000',
  },
}

SCSS

$custom: #21b8be;
$custom-light: #7cced1;
$custom-dark: #000000;

JSON

{
  "hex": "#21b8be",
  "rgb": {
    "r": 33,
    "g": 184,
    "b": 190
  },
  "hsl": {
    "h": 182.293,
    "s": 70.404,
    "l": 43.725
  },
  "oklch": {
    "l": 0.71337,
    "c": 0.11585,
    "h": 199.2
  },
  "luminance": 0.38322
}

Semantic roles & 50–950 ramp

primary

#21B8BE

secondary

#CD716D

accent

#413BED

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0B1314

muted

#7C8282

Preview Lab

Preview with #21B8BE

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

Preview Lab → · Contrast checker → · Palette generator →