#37B4BC#37B4BC

#37B4BC is a light, moderate teal. Relative luminance 0.371; OKLCH L 70.7% C 0.106 H 201.3°. Best body text is #000000 at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#37B4BC
RGB	rgb(55, 180, 188)
HSL	hsl(184, 55%, 48%)
HSV	hsv(184, 71%, 74%)
CMYK	cmyk(70.7%, 4.3%, 0%, 26.3%)
CIE-LAB	lab(67.34, -30.66, -13.94)
CIE-LCH	lch(67.34, 33.68, 204.45°)
OKLab	oklab(70.68% -0.099 -0.0387)
OKLCH	oklch(70.68% 0.106 201.3)
XYZ	xyz(26.9699, 37.0824, 53.3034)
Luminance	0.3709 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B4BC #BC3F37

analogous

#37BC81 #37B4BC #3771BC

triadic

#37B4BC #BC37B4 #B4BC37

tetradic

#37B4BC #8137BC #BC3F37 #71BC37

square

#37B4BC #8137BC #BC3F37 #71BC37

split-complementary

#37B4BC #BC3771 #BC8137

monochromatic

#1B595D #29878D #37B4BC #60CAD0 #8FDADE

Accessibility & contrast

On white

2.49

#37B4BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.42

#37B4BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B4BC

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B4BC	#FFFFFF	#000000	##000000
##37B4BC	1.00	2.49	8.42	8.42
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.42	21.00	1.00	1.00
##000000	8.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6ACBD

Deuteranopia (green-blind)

#939EBD

Tritanopia (blue-blind)

#00BBB6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #37b4bc;
/* rgb */ color: rgb(55, 180, 188);
/* oklch */ color: oklch(70.7% 0.106 201.3);

Tailwind

colors: {
  custom: {
    50: '#81cbd0',
    500: '#37b4bc',
    950: '#000000',
  },
}

SCSS

$custom: #37b4bc;
$custom-light: #81cbd0;
$custom-dark: #000000;

JSON

{
  "hex": "#37b4bc",
  "rgb": {
    "r": 55,
    "g": 180,
    "b": 188
  },
  "hsl": {
    "h": 183.609,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.70677,
    "c": 0.10634,
    "h": 201.3
  },
  "luminance": 0.37086
}

Semantic roles & 50–950 ramp

primary

#37B4BC

secondary

#C98A86

accent

#534ADE

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #37B4BC

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

Preview Lab → · Contrast checker → · Palette generator →