#21837F#21837F

#21837F is a mid, moderate teal. Relative luminance 0.181; OKLCH L 55.5% C 0.087 H 190.9°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#21837F
RGB	rgb(33, 131, 127)
HSL	hsl(178, 60%, 32%)
HSV	hsv(178, 75%, 51%)
CMYK	cmyk(74.8%, 0%, 3.1%, 48.6%)
CIE-LAB	lab(49.60, -28.00, -5.84)
CIE-LCH	lch(49.60, 28.61, 191.78°)
OKLab	oklab(55.51% -0.085 -0.0163)
OKLCH	oklch(55.51% 0.087 190.9)
XYZ	xyz(12.5725, 18.0867, 22.9030)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21837F #832125

analogous

#21834E #21837F #215683

triadic

#21837F #7F2183 #837F21

tetradic

#21837F #4E2183 #832125 #568321

square

#21837F #4E2183 #832125 #568321

split-complementary

#21837F #832156 #834E21

monochromatic

#082120 #155250 #21837F #2DB4AE #4CD2CD

Accessibility & contrast

On white

4.55

#21837F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#21837F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21837F

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21837F	#FFFFFF	#000000	##000000
##21837F	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B7C7F

Deuteranopia (green-blind)

#6D7280

Tritanopia (blue-blind)

#008782

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #21837f;
/* rgb */ color: rgb(33, 131, 127);
/* oklch */ color: oklch(55.5% 0.087 190.9);

Tailwind

colors: {
  custom: {
    50: '#6ea7a4',
    500: '#21837f',
    950: '#000000',
  },
}

SCSS

$custom: #21837f;
$custom-light: #6ea7a4;
$custom-dark: #000000;

JSON

{
  "hex": "#21837f",
  "rgb": {
    "r": 33,
    "g": 131,
    "b": 127
  },
  "hsl": {
    "h": 177.551,
    "s": 59.756,
    "l": 32.157
  },
  "oklch": {
    "l": 0.55514,
    "c": 0.0866,
    "h": 190.9
  },
  "luminance": 0.18088
}

Semantic roles & 50–950 ramp

primary

#21837F

secondary

#B54B4F

accent

#454BE3

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #21837F

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

Preview Lab → · Contrast checker → · Palette generator →