#37B6D1#37B6D1

#37B6D1 is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.0% C 0.113 H 215.4°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#37B6D1
RGB	rgb(55, 182, 209)
HSL	hsl(191, 63%, 52%)
HSV	hsv(191, 74%, 82%)
CMYK	cmyk(73.7%, 12.9%, 0%, 18%)
CIE-LAB	lab(68.66, -25.19, -23.51)
CIE-LCH	lch(68.66, 34.46, 223.02°)
OKLab	oklab(71.98% -0.0924 -0.0656)
OKLCH	oklch(71.98% 0.113 215.4)
XYZ	xyz(29.8072, 38.8680, 66.2406)
Luminance	0.3887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B6D1 #D15237

analogous

#37D19F #37B6D1 #3769D1

triadic

#37B6D1 #D137B6 #B6D137

tetradic

#37B6D1 #9F37D1 #D15237 #69D137

square

#37B6D1 #9F37D1 #D15237 #69D137

split-complementary

#37B6D1 #D13769 #D19F37

monochromatic

#1A6473 #268FA5 #37B6D1 #69C8DC #9BDAE8

Accessibility & contrast

On white

2.39

#37B6D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.77

#37B6D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B6D1

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B6D1	#FFFFFF	#000000	##000000
##37B6D1	1.00	2.39	8.77	8.77
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.77	21.00	1.00	1.00
##000000	8.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B0D3

Deuteranopia (green-blind)

#8EA1D1

Tritanopia (blue-blind)

#00C0BE

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #37b6d1;
/* rgb */ color: rgb(55, 182, 209);
/* oklch */ color: oklch(72.0% 0.113 215.4);

Tailwind

colors: {
  custom: {
    50: '#84ccdf',
    500: '#37b6d1',
    950: '#000000',
  },
}

SCSS

$custom: #37b6d1;
$custom-light: #84ccdf;
$custom-dark: #000000;

JSON

{
  "hex": "#37b6d1",
  "rgb": {
    "r": 55,
    "g": 182,
    "b": 209
  },
  "hsl": {
    "h": 190.519,
    "s": 62.602,
    "l": 51.765
  },
  "oklch": {
    "l": 0.71978,
    "c": 0.11328,
    "h": 215.4
  },
  "luminance": 0.38872
}

Semantic roles & 50–950 ramp

primary

#37B6D1

secondary

#D49C90

accent

#5F42E6

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B6D1

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

Preview Lab → · Contrast checker → · Palette generator →