#37B5B9#37B5B9

#37B5B9 is a light, moderate teal. Relative luminance 0.374; OKLCH L 70.8% C 0.107 H 198.2°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#37B5B9
RGB	rgb(55, 181, 185)
HSL	hsl(182, 54%, 47%)
HSV	hsv(182, 70%, 73%)
CMYK	cmyk(70.3%, 2.2%, 0%, 27.5%)
CIE-LAB	lab(67.55, -32.03, -11.97)
CIE-LCH	lch(67.55, 34.19, 200.49°)
OKLab	oklab(70.81% -0.1013 -0.0332)
OKLCH	oklch(70.81% 0.107 198.2)
XYZ	xyz(26.8525, 37.3596, 51.6854)
Luminance	0.3736 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B5B9 #B93B37

analogous

#37B97C #37B5B9 #3774B9

triadic

#37B5B9 #B937B5 #B5B937

tetradic

#37B5B9 #7C37B9 #B93B37 #74B937

square

#37B5B9 #7C37B9 #B93B37 #74B937

split-complementary

#37B5B9 #B93774 #B97C37

monochromatic

#1B595B #29878A #37B5B9 #5ECCCF #8DDBDD

Accessibility & contrast

On white

2.48

#37B5B9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.47

#37B5B9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B5B9

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B5B9	#FFFFFF	#000000	##000000
##37B5B9	1.00	2.48	8.47	8.47
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.47	21.00	1.00	1.00
##000000	8.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8ADB9

Deuteranopia (green-blind)

#959FBA

Tritanopia (blue-blind)

#00BBB6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #37b5b9;
/* rgb */ color: rgb(55, 181, 185);
/* oklch */ color: oklch(70.8% 0.107 198.2);

Tailwind

colors: {
  custom: {
    50: '#81cbce',
    500: '#37b5b9',
    950: '#000000',
  },
}

SCSS

$custom: #37b5b9;
$custom-light: #81cbce;
$custom-dark: #000000;

JSON

{
  "hex": "#37b5b9",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 185
  },
  "hsl": {
    "h": 181.846,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.70813,
    "c": 0.10666,
    "h": 198.2
  },
  "luminance": 0.37363
}

Semantic roles & 50–950 ramp

primary

#37B5B9

secondary

#C88684

accent

#4F4ADE

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #37B5B9

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

Preview Lab → · Contrast checker → · Palette generator →