#37B4B7#37B4B7

#37B4B7 is a light, moderate teal. Relative luminance 0.369; OKLCH L 70.5% C 0.106 H 197.4°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#37B4B7
RGB	rgb(55, 180, 183)
HSL	hsl(181, 54%, 47%)
HSV	hsv(181, 70%, 72%)
CMYK	cmyk(69.9%, 1.6%, 0%, 28.2%)
CIE-LAB	lab(67.18, -32.14, -11.41)
CIE-LCH	lch(67.18, 34.10, 199.55°)
OKLab	oklab(70.5% -0.1012 -0.0317)
OKLCH	oklch(70.5% 0.106 197.4)
XYZ	xyz(26.4402, 36.8706, 50.5138)
Luminance	0.3687 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B4B7 #B73A37

analogous

#37B77A #37B4B7 #3774B7

triadic

#37B4B7 #B737B4 #B4B737

tetradic

#37B4B7 #7A37B7 #B73A37 #74B737

square

#37B4B7 #7A37B7 #B73A37 #74B737

split-complementary

#37B4B7 #B73774 #B77A37

monochromatic

#1B5759 #298688 #37B4B7 #5DCCCE #8CDBDC

Accessibility & contrast

On white

2.51

#37B4B7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.37

#37B4B7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B4B7

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B4B7	#FFFFFF	#000000	##000000
##37B4B7	1.00	2.51	8.37	8.37
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.37	21.00	1.00	1.00
##000000	8.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8ACB7

Deuteranopia (green-blind)

#959EB8

Tritanopia (blue-blind)

#00BAB5

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #37b4b7;
/* rgb */ color: rgb(55, 180, 183);
/* oklch */ color: oklch(70.5% 0.106 197.4);

Tailwind

colors: {
  custom: {
    50: '#81cbcc',
    500: '#37b4b7',
    950: '#000000',
  },
}

SCSS

$custom: #37b4b7;
$custom-light: #81cbcc;
$custom-dark: #000000;

JSON

{
  "hex": "#37b4b7",
  "rgb": {
    "r": 55,
    "g": 180,
    "b": 183
  },
  "hsl": {
    "h": 181.406,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.70496,
    "c": 0.10606,
    "h": 197.4
  },
  "luminance": 0.36874
}

Semantic roles & 50–950 ramp

primary

#37B4B7

secondary

#C78583

accent

#4E4BDD

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #37B4B7

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

Preview Lab → · Contrast checker → · Palette generator →