#37B9BB#37B9BB

#37B9BB is a light, moderate teal. Relative luminance 0.391; OKLCH L 71.9% C 0.109 H 196.5°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#37B9BB
RGB	rgb(55, 185, 187)
HSL	hsl(181, 55%, 47%)
HSV	hsv(181, 71%, 73%)
CMYK	cmyk(70.6%, 1.1%, 0%, 26.7%)
CIE-LAB	lab(68.82, -33.35, -11.16)
CIE-LCH	lch(68.82, 35.17, 198.51°)
OKLab	oklab(71.87% -0.1045 -0.031)
OKLCH	oklch(71.87% 0.109 196.5)
XYZ	xyz(27.8901, 39.0947, 53.0802)
Luminance	0.3910 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B9BB #BB3937

analogous

#37BB7B #37B9BB #3777BB

triadic

#37B9BB #BB37B9 #B9BB37

tetradic

#37B9BB #7B37BB #BB3937 #77BB37

square

#37B9BB #7B37BB #BB3937 #77BB37

split-complementary

#37B9BB #BB3777 #BB7B37

monochromatic

#1B5B5C #298A8C #37B9BB #5FCED0 #8EDDDE

Accessibility & contrast

On white

2.38

#37B9BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.82

#37B9BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B9BB

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B9BB	#FFFFFF	#000000	##000000
##37B9BB	1.00	2.38	8.82	8.82
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.82	21.00	1.00	1.00
##000000	8.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB0BB

Deuteranopia (green-blind)

#99A2BC

Tritanopia (blue-blind)

#00BFB9

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #37b9bb;
/* rgb */ color: rgb(55, 185, 187);
/* oklch */ color: oklch(71.9% 0.109 196.5);

Tailwind

colors: {
  custom: {
    50: '#82cecf',
    500: '#37b9bb',
    950: '#000000',
  },
}

SCSS

$custom: #37b9bb;
$custom-light: #82cecf;
$custom-dark: #000000;

JSON

{
  "hex": "#37b9bb",
  "rgb": {
    "r": 55,
    "g": 185,
    "b": 187
  },
  "hsl": {
    "h": 180.909,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.71867,
    "c": 0.109,
    "h": 196.5
  },
  "luminance": 0.39098
}

Semantic roles & 50–950 ramp

primary

#37B9BB

secondary

#C98685

accent

#4C4ADE

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #37B9BB

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

Preview Lab → · Contrast checker → · Palette generator →