#21837E#21837E

#21837E is a mid, moderate teal. Relative luminance 0.181; OKLCH L 55.5% C 0.087 H 189.8°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#21837E
RGB	rgb(33, 131, 126)
HSL	hsl(177, 60%, 32%)
HSV	hsv(177, 75%, 51%)
CMYK	cmyk(74.8%, 0%, 3.8%, 48.6%)
CIE-LAB	lab(49.57, -28.31, -5.30)
CIE-LCH	lch(49.57, 28.80, 190.60°)
OKLab	oklab(55.48% -0.0855 -0.0148)
OKLCH	oklch(55.48% 0.087 189.8)
XYZ	xyz(12.5076, 18.0608, 22.5615)
Luminance	0.1806 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21837E #832126

analogous

#21834D #21837E #215783

triadic

#21837E #7E2183 #837E21

tetradic

#21837E #4D2183 #832126 #578321

square

#21837E #4D2183 #832126 #578321

split-complementary

#21837E #832157 #834D21

monochromatic

#082120 #15524F #21837E #2DB4AD #4CD2CB

Accessibility & contrast

On white

4.55

#21837E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#21837E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21837E

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21837E	#FFFFFF	#000000	##000000
##21837E	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B7C7E

Deuteranopia (green-blind)

#6D727F

Tritanopia (blue-blind)

#008781

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #21837e;
/* rgb */ color: rgb(33, 131, 126);
/* oklch */ color: oklch(55.5% 0.087 189.8);

Tailwind

colors: {
  custom: {
    50: '#6da7a3',
    500: '#21837e',
    950: '#000000',
  },
}

SCSS

$custom: #21837e;
$custom-light: #6da7a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21837e",
  "rgb": {
    "r": 33,
    "g": 131,
    "b": 126
  },
  "hsl": {
    "h": 176.939,
    "s": 59.756,
    "l": 32.157
  },
  "oklch": {
    "l": 0.55478,
    "c": 0.08681,
    "h": 189.8
  },
  "luminance": 0.18062
}

Semantic roles & 50–950 ramp

primary

#21837E

secondary

#B54B50

accent

#454DE3

background

#F7FAFA

surface

#EDF4F3

border

#C8CECD

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #21837E

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

Preview Lab → · Contrast checker → · Palette generator →