#37B5B8#37B5B8

#37B5B8 is a light, moderate teal. Relative luminance 0.373; OKLCH L 70.8% C 0.107 H 197.4°. Best body text is #000000 at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#37B5B8
RGB	rgb(55, 181, 184)
HSL	hsl(181, 54%, 47%)
HSV	hsv(181, 70%, 72%)
CMYK	cmyk(70.1%, 1.6%, 0%, 27.8%)
CIE-LAB	lab(67.51, -32.32, -11.46)
CIE-LCH	lch(67.51, 34.29, 199.53°)
OKLab	oklab(70.78% -0.1018 -0.0318)
OKLCH	oklch(70.78% 0.107 197.4)
XYZ	xyz(26.7473, 37.3175, 51.1314)
Luminance	0.3732 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B5B8 #B83A37

analogous

#37B87A #37B5B8 #3775B8

triadic

#37B5B8 #B837B5 #B5B837

tetradic

#37B5B8 #7A37B8 #B83A37 #75B837

square

#37B5B8 #7A37B8 #B83A37 #75B837

split-complementary

#37B5B8 #B83775 #B87A37

monochromatic

#1B585A #298789 #37B5B8 #5DCCCF #8DDBDD

Accessibility & contrast

On white

2.48

#37B5B8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.46

#37B5B8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B5B8

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B5B8	#FFFFFF	#000000	##000000
##37B5B8	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)

#A8ADB8

Deuteranopia (green-blind)

#959EB9

Tritanopia (blue-blind)

#00BBB6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #37b5b8;
/* rgb */ color: rgb(55, 181, 184);
/* oklch */ color: oklch(70.8% 0.107 197.4);

Tailwind

colors: {
  custom: {
    50: '#81cbcd',
    500: '#37b5b8',
    950: '#000000',
  },
}

SCSS

$custom: #37b5b8;
$custom-light: #81cbcd;
$custom-dark: #000000;

JSON

{
  "hex": "#37b5b8",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 184
  },
  "hsl": {
    "h": 181.395,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.70778,
    "c": 0.10665,
    "h": 197.4
  },
  "luminance": 0.37321
}

Semantic roles & 50–950 ramp

primary

#37B5B8

secondary

#C78584

accent

#4E4ADD

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #37B5B8

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

Preview Lab → · Contrast checker → · Palette generator →