#37B4B8#37B4B8

#37B4B8 is a light, moderate teal. Relative luminance 0.369; OKLCH L 70.5% C 0.106 H 198.2°. Best body text is #000000 at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#37B4B8
RGB	rgb(55, 180, 184)
HSL	hsl(182, 54%, 47%)
HSV	hsv(182, 70%, 72%)
CMYK	cmyk(70.1%, 2.2%, 0%, 27.8%)
CIE-LAB	lab(67.21, -31.84, -11.92)
CIE-LCH	lch(67.21, 34.00, 200.52°)
OKLab	oklab(70.53% -0.1008 -0.0331)
OKLCH	oklch(70.53% 0.106 198.2)
XYZ	xyz(26.5447, 36.9123, 51.0639)
Luminance	0.3691 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B4B8 #B83B37

analogous

#37B87B #37B4B8 #3774B8

triadic

#37B4B8 #B837B4 #B4B837

tetradic

#37B4B8 #7B37B8 #B83B37 #74B837

square

#37B4B8 #7B37B8 #B83B37 #74B837

split-complementary

#37B4B8 #B83774 #B87B37

monochromatic

#1B585A #298689 #37B4B8 #5DCBCF #8DDADD

Accessibility & contrast

On white

2.51

#37B4B8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.38

#37B4B8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B4B8

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B4B8	#FFFFFF	#000000	##000000
##37B4B8	1.00	2.51	8.38	8.38
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.38	21.00	1.00	1.00
##000000	8.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7ACB8

Deuteranopia (green-blind)

#949EB9

Tritanopia (blue-blind)

#00BAB5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #37b4b8;
/* rgb */ color: rgb(55, 180, 184);
/* oklch */ color: oklch(70.5% 0.106 198.2);

Tailwind

colors: {
  custom: {
    50: '#81cbcd',
    500: '#37b4b8',
    950: '#000000',
  },
}

SCSS

$custom: #37b4b8;
$custom-light: #81cbcd;
$custom-dark: #000000;

JSON

{
  "hex": "#37b4b8",
  "rgb": {
    "r": 55,
    "g": 180,
    "b": 184
  },
  "hsl": {
    "h": 181.86,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.70532,
    "c": 0.10607,
    "h": 198.2
  },
  "luminance": 0.36915
}

Semantic roles & 50–950 ramp

primary

#37B4B8

secondary

#C78684

accent

#4F4ADD

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #37B4B8

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

Preview Lab → · Contrast checker → · Palette generator →