#37B1D6#37B1D6

#37B1D6 is a light, moderate cyan. Relative luminance 0.371; OKLCH L 71.0% C 0.117 H 222.7°. Best body text is #000000 at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#37B1D6
RGB	rgb(55, 177, 214)
HSL	hsl(194, 66%, 53%)
HSV	hsv(194, 74%, 84%)
CMYK	cmyk(74.3%, 17.3%, 0%, 16.1%)
CIE-LAB	lab(67.36, -21.04, -28.25)
CIE-LCH	lch(67.36, 35.22, 233.32°)
OKLab	oklab(71% -0.0856 -0.0791)
OKLCH	oklch(71% 0.117 222.7)
XYZ	xyz(29.4302, 37.1080, 69.2168)
Luminance	0.3711 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B1D6 #D65C37

analogous

#37D6AB #37B1D6 #3762D6

triadic

#37B1D6 #D637B1 #B1D637

tetradic

#37B1D6 #AB37D6 #D65C37 #62D637

square

#37B1D6 #AB37D6 #D65C37 #62D637

split-complementary

#37B1D6 #D63762 #D6AB37

monochromatic

#19637A #238DAC #37B1D6 #6AC5E0 #9DD9EB

Accessibility & contrast

On white

2.49

#37B1D6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.42

#37B1D6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B1D6

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B1D6	#FFFFFF	#000000	##000000
##37B1D6	1.00	2.49	8.42	8.42
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.42	21.00	1.00	1.00
##000000	8.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CADD8

Deuteranopia (green-blind)

#869DD6

Tritanopia (blue-blind)

#00BCBD

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #37b1d6;
/* rgb */ color: rgb(55, 177, 214);
/* oklch */ color: oklch(71.0% 0.117 222.7);

Tailwind

colors: {
  custom: {
    50: '#84c8e2',
    500: '#37b1d6',
    950: '#000000',
  },
}

SCSS

$custom: #37b1d6;
$custom-light: #84c8e2;
$custom-dark: #000000;

JSON

{
  "hex": "#37b1d6",
  "rgb": {
    "r": 55,
    "g": 177,
    "b": 214
  },
  "hsl": {
    "h": 193.962,
    "s": 65.975,
    "l": 52.745
  },
  "oklch": {
    "l": 0.70997,
    "c": 0.11655,
    "h": 222.7
  },
  "luminance": 0.37112
}

Semantic roles & 50–950 ramp

primary

#37B1D6

secondary

#D7A292

accent

#663FE9

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B1D6

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

Preview Lab → · Contrast checker → · Palette generator →