#21B0AC#21B0AC

#21B0AC is a light, moderate teal. Relative luminance 0.344; OKLCH L 68.7% C 0.112 H 191.9°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#21B0AC
RGB	rgb(33, 176, 172)
HSL	hsl(178, 68%, 41%)
HSV	hsv(178, 81%, 69%)
CMYK	cmyk(81.3%, 0%, 2.3%, 31%)
CIE-LAB	lab(65.24, -35.93, -8.25)
CIE-LCH	lch(65.24, 36.86, 192.94°)
OKLab	oklab(68.7% -0.1097 -0.023)
OKLCH	oklch(68.7% 0.112 191.9)
XYZ	xyz(23.5954, 34.3496, 44.4083)
Luminance	0.3435 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B0AC #B02125

analogous

#21B064 #21B0AC #216CB0

triadic

#21B0AC #AC21B0 #B0AC21

tetradic

#21B0AC #6421B0 #B02125 #6CB021

square

#21B0AC #6421B0 #B02125 #6CB021

split-complementary

#21B0AC #B0216C #B06421

monochromatic

#0E4947 #177C7A #21B0AC #35D9D5 #69E3DF

Accessibility & contrast

On white

2.67

#21B0AC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#21B0AC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B0AC

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B0AC	#FFFFFF	#000000	##000000
##21B0AC	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5A7AC

Deuteranopia (green-blind)

#9198AD

Tritanopia (blue-blind)

#00B5AE

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #21b0ac;
/* rgb */ color: rgb(33, 176, 172);
/* oklch */ color: oklch(68.7% 0.112 191.9);

Tailwind

colors: {
  custom: {
    50: '#79c8c4',
    500: '#21b0ac',
    950: '#000000',
  },
}

SCSS

$custom: #21b0ac;
$custom-light: #79c8c4;
$custom-dark: #000000;

JSON

{
  "hex": "#21b0ac",
  "rgb": {
    "r": 33,
    "g": 176,
    "b": 172
  },
  "hsl": {
    "h": 178.322,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.68699,
    "c": 0.1121,
    "h": 191.9
  },
  "luminance": 0.34353
}

Semantic roles & 50–950 ramp

primary

#21B0AC

secondary

#C86467

accent

#3D41EB

background

#F8FCFC

surface

#EFF8F8

border

#CAD1D1

text

#0B1312

muted

#7C8281

Preview Lab

Preview with #21B0AC

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

Preview Lab → · Contrast checker → · Palette generator →