#21837C#21837C

#21837C is a mid, moderate teal. Relative luminance 0.180; OKLCH L 55.4% C 0.087 H 187.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#21837C
RGB	rgb(33, 131, 124)
HSL	hsl(176, 60%, 32%)
HSV	hsv(176, 75%, 51%)
CMYK	cmyk(74.8%, 0%, 5.3%, 48.6%)
CIE-LAB	lab(49.51, -28.91, -4.22)
CIE-LCH	lch(49.51, 29.21, 188.30°)
OKLab	oklab(55.41% -0.0865 -0.0119)
OKLCH	oklch(55.41% 0.087 187.8)
XYZ	xyz(12.3799, 18.0097, 21.8886)
Luminance	0.1801 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21837C #832128

analogous

#21834B #21837C #215983

triadic

#21837C #7C2183 #837C21

tetradic

#21837C #4B2183 #832128 #598321

square

#21837C #4B2183 #832128 #598321

split-complementary

#21837C #832159 #834B21

monochromatic

#08211F #15524E #21837C #2DB4AA #4CD2C8

Accessibility & contrast

On white

4.56

#21837C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#21837C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21837C

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21837C	#FFFFFF	#000000	##000000
##21837C	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7C7C

Deuteranopia (green-blind)

#6E717D

Tritanopia (blue-blind)

#008681

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #21837c;
/* rgb */ color: rgb(33, 131, 124);
/* oklch */ color: oklch(55.4% 0.087 187.8);

Tailwind

colors: {
  custom: {
    50: '#6da7a1',
    500: '#21837c',
    950: '#000000',
  },
}

SCSS

$custom: #21837c;
$custom-light: #6da7a1;
$custom-dark: #000000;

JSON

{
  "hex": "#21837c",
  "rgb": {
    "r": 33,
    "g": 131,
    "b": 124
  },
  "hsl": {
    "h": 175.714,
    "s": 59.756,
    "l": 32.157
  },
  "oklch": {
    "l": 0.55407,
    "c": 0.0873,
    "h": 187.8
  },
  "luminance": 0.18011
}

Semantic roles & 50–950 ramp

primary

#21837C

secondary

#B54B52

accent

#4550E3

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#080F0F

muted

#7B7F7E

Preview Lab

Preview with #21837C

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

Preview Lab → · Contrast checker → · Palette generator →