#37B5B7#37B5B7

#37B5B7 is a light, moderate teal. Relative luminance 0.373; OKLCH L 70.7% C 0.107 H 196.6°. Best body text is #000000 at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#37B5B7
RGB	rgb(55, 181, 183)
HSL	hsl(181, 54%, 47%)
HSV	hsv(181, 70%, 72%)
CMYK	cmyk(69.9%, 1.1%, 0%, 28.2%)
CIE-LAB	lab(67.48, -32.61, -10.96)
CIE-LCH	lch(67.48, 34.41, 198.57°)
OKLab	oklab(70.74% -0.1022 -0.0304)
OKLCH	oklch(70.74% 0.107 196.6)
XYZ	xyz(26.6428, 37.2758, 50.5813)
Luminance	0.3728 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B5B7 #B73937

analogous

#37B779 #37B5B7 #3775B7

triadic

#37B5B7 #B737B5 #B5B737

tetradic

#37B5B7 #7937B7 #B73937 #75B737

square

#37B5B7 #7937B7 #B73937 #75B737

split-complementary

#37B5B7 #B73775 #B77937

monochromatic

#1B5859 #298688 #37B5B7 #5DCDCE #8CDBDC

Accessibility & contrast

On white

2.48

#37B5B7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.46

#37B5B7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B5B7

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B5B7	#FFFFFF	#000000	##000000
##37B5B7	1.00	2.48	8.46	8.46
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.46	21.00	1.00	1.00
##000000	8.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9ACB7

Deuteranopia (green-blind)

#969EB8

Tritanopia (blue-blind)

#00BBB5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #37b5b7;
/* rgb */ color: rgb(55, 181, 183);
/* oklch */ color: oklch(70.7% 0.107 196.6);

Tailwind

colors: {
  custom: {
    50: '#81cbcc',
    500: '#37b5b7',
    950: '#000000',
  },
}

SCSS

$custom: #37b5b7;
$custom-light: #81cbcc;
$custom-dark: #000000;

JSON

{
  "hex": "#37b5b7",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 183
  },
  "hsl": {
    "h": 180.938,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.70742,
    "c": 0.10666,
    "h": 196.6
  },
  "luminance": 0.37279
}

Semantic roles & 50–950 ramp

primary

#37B5B7

secondary

#C78483

accent

#4D4BDD

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #37B5B7

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

Preview Lab → · Contrast checker → · Palette generator →