#37B4BB#37B4BB

#37B4BB is a light, moderate teal. Relative luminance 0.370; OKLCH L 70.6% C 0.106 H 200.5°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#37B4BB
RGB	rgb(55, 180, 187)
HSL	hsl(183, 55%, 47%)
HSV	hsv(183, 71%, 73%)
CMYK	cmyk(70.6%, 3.7%, 0%, 26.7%)
CIE-LAB	lab(67.31, -30.96, -13.43)
CIE-LCH	lch(67.31, 33.74, 203.46°)
OKLab	oklab(70.64% -0.0995 -0.0373)
OKLCH	oklch(70.64% 0.106 200.5)
XYZ	xyz(26.8625, 37.0395, 52.7377)
Luminance	0.3704 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B4BB #BB3E37

analogous

#37BB80 #37B4BB #3772BB

triadic

#37B4BB #BB37B4 #B4BB37

tetradic

#37B4BB #8037BB #BB3E37 #72BB37

square

#37B4BB #8037BB #BB3E37 #72BB37

split-complementary

#37B4BB #BB3772 #BB8037

monochromatic

#1B595C #29868C #37B4BB #5FCAD0 #8EDADE

Accessibility & contrast

On white

2.50

#37B4BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#37B4BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B4BB

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B4BB	#FFFFFF	#000000	##000000
##37B4BB	1.00	2.50	8.41	8.41
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.41	21.00	1.00	1.00
##000000	8.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7ACBC

Deuteranopia (green-blind)

#939EBC

Tritanopia (blue-blind)

#00BBB6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #37b4bb;
/* rgb */ color: rgb(55, 180, 187);
/* oklch */ color: oklch(70.6% 0.106 200.5);

Tailwind

colors: {
  custom: {
    50: '#81cbcf',
    500: '#37b4bb',
    950: '#000000',
  },
}

SCSS

$custom: #37b4bb;
$custom-light: #81cbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#37b4bb",
  "rgb": {
    "r": 55,
    "g": 180,
    "b": 187
  },
  "hsl": {
    "h": 183.182,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.70641,
    "c": 0.10624,
    "h": 200.5
  },
  "luminance": 0.37043
}

Semantic roles & 50–950 ramp

primary

#37B4BB

secondary

#C98985

accent

#524ADE

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #37B4BB

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

Preview Lab → · Contrast checker → · Palette generator →