#37B2D1#37B2D1

#37B2D1 is a light, moderate cyan. Relative luminance 0.373; OKLCH L 71.0% C 0.113 H 218.6°. Best body text is #000000 at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#37B2D1
RGB	rgb(55, 178, 209)
HSL	hsl(192, 63%, 52%)
HSV	hsv(192, 74%, 82%)
CMYK	cmyk(73.7%, 14.8%, 0%, 18%)
CIE-LAB	lab(67.47, -23.16, -25.33)
CIE-LCH	lch(67.47, 34.32, 227.56°)
OKLab	oklab(71.02% -0.0885 -0.0707)
OKLCH	oklch(71.02% 0.113 218.6)
XYZ	xyz(28.9997, 37.2530, 65.9714)
Luminance	0.3726 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B2D1 #D15637

analogous

#37D1A3 #37B2D1 #3765D1

triadic

#37B2D1 #D137B2 #B2D137

tetradic

#37B2D1 #A337D1 #D15637 #65D137

square

#37B2D1 #A337D1 #D15637 #65D137

split-complementary

#37B2D1 #D13765 #D1A337

monochromatic

#1A6173 #268BA5 #37B2D1 #69C5DC #9BD8E8

Accessibility & contrast

On white

2.48

#37B2D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.45

#37B2D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B2D1

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B2D1	#FFFFFF	#000000	##000000
##37B2D1	1.00	2.48	8.45	8.45
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.45	21.00	1.00	1.00
##000000	8.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EADD3

Deuteranopia (green-blind)

#899ED1

Tritanopia (blue-blind)

#00BCBC

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #37b2d1;
/* rgb */ color: rgb(55, 178, 209);
/* oklch */ color: oklch(71.0% 0.113 218.6);

Tailwind

colors: {
  custom: {
    50: '#84c9df',
    500: '#37b2d1',
    950: '#000000',
  },
}

SCSS

$custom: #37b2d1;
$custom-light: #84c9df;
$custom-dark: #000000;

JSON

{
  "hex": "#37b2d1",
  "rgb": {
    "r": 55,
    "g": 178,
    "b": 209
  },
  "hsl": {
    "h": 192.078,
    "s": 62.602,
    "l": 51.765
  },
  "oklch": {
    "l": 0.71021,
    "c": 0.1133,
    "h": 218.6
  },
  "luminance": 0.37256
}

Semantic roles & 50–950 ramp

primary

#37B2D1

secondary

#D49E90

accent

#6342E6

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B2D1

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

Preview Lab → · Contrast checker → · Palette generator →