#37B1BB#37B1BB

#37B1BB is a light, moderate teal. Relative luminance 0.358; OKLCH L 69.9% C 0.105 H 203.1°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#37B1BB
RGB	rgb(55, 177, 187)
HSL	hsl(185, 55%, 47%)
HSV	hsv(185, 71%, 73%)
CMYK	cmyk(70.6%, 5.3%, 0%, 26.7%)
CIE-LAB	lab(66.40, -29.50, -14.80)
CIE-LCH	lch(66.40, 33.00, 206.65°)
OKLab	oklab(69.91% -0.0965 -0.0411)
OKLCH	oklch(69.91% 0.105 203.1)
XYZ	xyz(26.2634, 35.8413, 52.5380)
Luminance	0.3584 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B1BB #BB4137

analogous

#37BB83 #37B1BB #376FBB

triadic

#37B1BB #BB37B1 #B1BB37

tetradic

#37B1BB #8337BB #BB4137 #6FBB37

square

#37B1BB #8337BB #BB4137 #6FBB37

split-complementary

#37B1BB #BB376F #BB8337

monochromatic

#1B575C #29848C #37B1BB #5FC7D0 #8ED8DE

Accessibility & contrast

On white

2.57

#37B1BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#37B1BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B1BB

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B1BB	#FFFFFF	#000000	##000000
##37B1BB	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AABC

Deuteranopia (green-blind)

#909BBB

Tritanopia (blue-blind)

#00B8B4

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #37b1bb;
/* rgb */ color: rgb(55, 177, 187);
/* oklch */ color: oklch(69.9% 0.105 203.1);

Tailwind

colors: {
  custom: {
    50: '#81c8cf',
    500: '#37b1bb',
    950: '#000000',
  },
}

SCSS

$custom: #37b1bb;
$custom-light: #81c8cf;
$custom-dark: #000000;

JSON

{
  "hex": "#37b1bb",
  "rgb": {
    "r": 55,
    "g": 177,
    "b": 187
  },
  "hsl": {
    "h": 184.545,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.69906,
    "c": 0.10485,
    "h": 203.1
  },
  "luminance": 0.35844
}

Semantic roles & 50–950 ramp

primary

#37B1BB

secondary

#C98A85

accent

#554ADE

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #37B1BB

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

Preview Lab → · Contrast checker → · Palette generator →