#37B5BB#37B5BB

#37B5BB is a light, moderate teal. Relative luminance 0.374; OKLCH L 70.9% C 0.107 H 199.7°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#37B5BB
RGB	rgb(55, 181, 187)
HSL	hsl(183, 55%, 47%)
HSV	hsv(183, 71%, 73%)
CMYK	cmyk(70.6%, 3.2%, 0%, 26.7%)
CIE-LAB	lab(67.61, -31.44, -12.98)
CIE-LCH	lch(67.61, 34.01, 202.43°)
OKLab	oklab(70.89% -0.1005 -0.036)
OKLCH	oklch(70.89% 0.107 199.7)
XYZ	xyz(27.0651, 37.4447, 52.8052)
Luminance	0.3745 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B5BB #BB3D37

analogous

#37BB7F #37B5BB #3773BB

triadic

#37B5BB #BB37B5 #B5BB37

tetradic

#37B5BB #7F37BB #BB3D37 #73BB37

square

#37B5BB #7F37BB #BB3D37 #73BB37

split-complementary

#37B5BB #BB3773 #BB7F37

monochromatic

#1B595C #29878C #37B5BB #5FCBD0 #8EDADE

Accessibility & contrast

On white

2.47

#37B5BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.49

#37B5BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B5BB

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B5BB	#FFFFFF	#000000	##000000
##37B5BB	1.00	2.47	8.49	8.49
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.49	21.00	1.00	1.00
##000000	8.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8ADBC

Deuteranopia (green-blind)

#959FBC

Tritanopia (blue-blind)

#00BCB7

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #37b5bb;
/* rgb */ color: rgb(55, 181, 187);
/* oklch */ color: oklch(70.9% 0.107 199.7);

Tailwind

colors: {
  custom: {
    50: '#81cbcf',
    500: '#37b5bb',
    950: '#000000',
  },
}

SCSS

$custom: #37b5bb;
$custom-light: #81cbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#37b5bb",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 187
  },
  "hsl": {
    "h": 182.727,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.70886,
    "c": 0.10675,
    "h": 199.7
  },
  "luminance": 0.37448
}

Semantic roles & 50–950 ramp

primary

#37B5BB

secondary

#C98885

accent

#514ADE

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #37B5BB

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

Preview Lab → · Contrast checker → · Palette generator →