#21837A#21837A

#21837A is a mid, moderate teal. Relative luminance 0.180; OKLCH L 55.3% C 0.088 H 185.8°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#21837A
RGB	rgb(33, 131, 122)
HSL	hsl(174, 60%, 32%)
HSV	hsv(174, 75%, 51%)
CMYK	cmyk(74.8%, 0%, 6.9%, 48.6%)
CIE-LAB	lab(49.45, -29.50, -3.13)
CIE-LCH	lch(49.45, 29.67, 186.06°)
OKLab	oklab(55.34% -0.0875 -0.0089)
OKLCH	oklch(55.34% 0.088 185.8)
XYZ	xyz(12.2547, 17.9596, 21.2293)
Luminance	0.1796 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21837A #83212A

analogous

#218349 #21837A #215B83

triadic

#21837A #7A2183 #837A21

tetradic

#21837A #492183 #83212A #5B8321

square

#21837A #492183 #83212A #5B8321

split-complementary

#21837A #83215B #834921

monochromatic

#08211F #15524C #21837A #2DB4A8 #4CD2C6

Accessibility & contrast

On white

4.57

#21837A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#21837A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21837A

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21837A	#FFFFFF	#000000	##000000
##21837A	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7B7A

Deuteranopia (green-blind)

#6E717B

Tritanopia (blue-blind)

#008680

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #21837a;
/* rgb */ color: rgb(33, 131, 122);
/* oklch */ color: oklch(55.3% 0.088 185.8);

Tailwind

colors: {
  custom: {
    50: '#6da7a0',
    500: '#21837a',
    950: '#000000',
  },
}

SCSS

$custom: #21837a;
$custom-light: #6da7a0;
$custom-dark: #000000;

JSON

{
  "hex": "#21837a",
  "rgb": {
    "r": 33,
    "g": 131,
    "b": 122
  },
  "hsl": {
    "h": 174.49,
    "s": 59.756,
    "l": 32.157
  },
  "oklch": {
    "l": 0.55337,
    "c": 0.08792,
    "h": 185.8
  },
  "luminance": 0.17961
}

Semantic roles & 50–950 ramp

primary

#21837A

secondary

#B54B55

accent

#4553E3

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#080F0E

muted

#7B7F7E

Preview Lab

Preview with #21837A

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

Preview Lab → · Contrast checker → · Palette generator →