#21816C#21816C

#21816C is a mid, moderate teal. Relative luminance 0.171; OKLCH L 54.3% C 0.093 H 174.5°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#21816C
RGB	rgb(33, 129, 108)
HSL	hsl(167, 59%, 32%)
HSV	hsv(167, 74%, 51%)
CMYK	cmyk(74.4%, 0%, 16.3%, 49.4%)
CIE-LAB	lab(48.39, -32.55, 3.55)
CIE-LCH	lch(48.39, 32.74, 173.78°)
OKLab	oklab(54.35% -0.0922 0.0089)
OKLCH	oklch(54.35% 0.093 174.5)
XYZ	xyz(11.1829, 17.1052, 16.8967)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21816C #812136

analogous

#21813C #21816C #216681

triadic

#21816C #6C2181 #816C21

tetradic

#21816C #3C2181 #812136 #668121

square

#21816C #3C2181 #812136 #668121

split-complementary

#21816C #812166 #813C21

monochromatic

#08201A #155043 #21816C #2DB295 #4BD1B4

Accessibility & contrast

On white

4.75

#21816C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#21816C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21816C

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21816C	#FFFFFF	#000000	##FFFFFF
##21816C	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C786B

Deuteranopia (green-blind)

#6F6F6E

Tritanopia (blue-blind)

#00837B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #21816c;
/* rgb */ color: rgb(33, 129, 108);
/* oklch */ color: oklch(54.3% 0.093 174.5);

Tailwind

colors: {
  custom: {
    50: '#6ca696',
    500: '#21816c',
    950: '#000000',
  },
}

SCSS

$custom: #21816c;
$custom-light: #6ca696;
$custom-dark: #000000;

JSON

{
  "hex": "#21816c",
  "rgb": {
    "r": 33,
    "g": 129,
    "b": 108
  },
  "hsl": {
    "h": 166.875,
    "s": 59.259,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54345,
    "c": 0.09266,
    "h": 174.5
  },
  "luminance": 0.17107
}

Semantic roles & 50–950 ramp

primary

#21816C

secondary

#B44A61

accent

#4568E2

background

#F6FAF9

surface

#ECF4F1

border

#C7CECB

text

#080F0D

muted

#7A7F7E

Preview Lab

Preview with #21816C

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

Preview Lab → · Contrast checker → · Palette generator →