#37B1BF#37B1BF

#37B1BF is a light, moderate teal. Relative luminance 0.360; OKLCH L 70.1% C 0.106 H 206.2°. Best body text is #000000 at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#37B1BF
RGB	rgb(55, 177, 191)
HSL	hsl(186, 55%, 48%)
HSV	hsv(186, 71%, 75%)
CMYK	cmyk(71.2%, 7.3%, 0%, 25.1%)
CIE-LAB	lab(66.53, -28.29, -16.82)
CIE-LCH	lch(66.53, 32.91, 210.73°)
OKLab	oklab(70.06% -0.0948 -0.0467)
OKLCH	oklch(70.06% 0.106 206.2)
XYZ	xyz(26.6976, 36.0150, 54.8246)
Luminance	0.3602 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B1BF #BF4537

analogous

#37BF89 #37B1BF #376DBF

triadic

#37B1BF #BF37B1 #B1BF37

tetradic

#37B1BF #8937BF #BF4537 #6DBF37

square

#37B1BF #8937BF #BF4537 #6DBF37

split-complementary

#37B1BF #BF376D #BF8937

monochromatic

#1C5960 #29858F #37B1BF #62C6D2 #91D7DF

Accessibility & contrast

On white

2.56

#37B1BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.20

#37B1BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B1BF

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B1BF	#FFFFFF	#000000	##000000
##37B1BF	1.00	2.56	8.20	8.20
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.20	21.00	1.00	1.00
##000000	8.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2AAC0

Deuteranopia (green-blind)

#8F9CBF

Tritanopia (blue-blind)

#00B9B5

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #37b1bf;
/* rgb */ color: rgb(55, 177, 191);
/* oklch */ color: oklch(70.1% 0.106 206.2);

Tailwind

colors: {
  custom: {
    50: '#81c8d2',
    500: '#37b1bf',
    950: '#000000',
  },
}

SCSS

$custom: #37b1bf;
$custom-light: #81c8d2;
$custom-dark: #000000;

JSON

{
  "hex": "#37b1bf",
  "rgb": {
    "r": 55,
    "g": 177,
    "b": 191
  },
  "hsl": {
    "h": 186.176,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.70057,
    "c": 0.10566,
    "h": 206.2
  },
  "luminance": 0.36018
}

Semantic roles & 50–950 ramp

primary

#37B1BF

secondary

#CA8E88

accent

#5949DF

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #37B1BF

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

Preview Lab → · Contrast checker → · Palette generator →