#37B5B6#37B5B6

#37B5B6 is a light, moderate teal. Relative luminance 0.372; OKLCH L 70.7% C 0.107 H 195.8°. Best body text is #000000 at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#37B5B6
RGB	rgb(55, 181, 182)
HSL	hsl(180, 54%, 46%)
HSV	hsv(180, 70%, 71%)
CMYK	cmyk(69.8%, 0.5%, 0%, 28.6%)
CIE-LAB	lab(67.45, -32.91, -10.45)
CIE-LCH	lch(67.45, 34.53, 197.62°)
OKLab	oklab(70.71% -0.1027 -0.029)
OKLCH	oklch(70.71% 0.107 195.8)
XYZ	xyz(26.5391, 37.2343, 50.0351)
Luminance	0.3724 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B5B6 #B63837

analogous

#37B678 #37B5B6 #3776B6

triadic

#37B5B6 #B637B5 #B5B637

tetradic

#37B5B6 #7837B6 #B63837 #76B637

square

#37B5B6 #7837B6 #B63837 #76B637

split-complementary

#37B5B6 #B63776 #B67837

monochromatic

#1B5858 #298687 #37B5B6 #5CCDCE #8BDBDC

Accessibility & contrast

On white

2.49

#37B5B6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.45

#37B5B6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B5B6

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B5B6	#FFFFFF	#000000	##000000
##37B5B6	1.00	2.49	8.45	8.45
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.45	21.00	1.00	1.00
##000000	8.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9ACB6

Deuteranopia (green-blind)

#969EB7

Tritanopia (blue-blind)

#00BBB5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #37b5b6;
/* rgb */ color: rgb(55, 181, 182);
/* oklch */ color: oklch(70.7% 0.107 195.8);

Tailwind

colors: {
  custom: {
    50: '#81cbcb',
    500: '#37b5b6',
    950: '#000000',
  },
}

SCSS

$custom: #37b5b6;
$custom-light: #81cbcb;
$custom-dark: #000000;

JSON

{
  "hex": "#37b5b6",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 182
  },
  "hsl": {
    "h": 180.472,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.70707,
    "c": 0.10669,
    "h": 195.8
  },
  "luminance": 0.37237
}

Semantic roles & 50–950 ramp

primary

#37B5B6

secondary

#C68382

accent

#4C4BDD

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #37B5B6

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

Preview Lab → · Contrast checker → · Palette generator →