#37B2D7#37B2D7

#37B2D7 is a light, moderate cyan. Relative luminance 0.376; OKLCH L 71.3% C 0.117 H 222.6°. Best body text is #000000 at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#37B2D7
RGB	rgb(55, 178, 215)
HSL	hsl(194, 67%, 53%)
HSV	hsv(194, 74%, 84%)
CMYK	cmyk(74.4%, 17.2%, 0%, 15.7%)
CIE-LAB	lab(67.69, -21.23, -28.28)
CIE-LCH	lch(67.69, 35.37, 233.10°)
OKLab	oklab(71.28% -0.0862 -0.0792)
OKLCH	oklch(71.28% 0.117 222.6)
XYZ	xyz(29.7566, 37.5558, 69.9575)
Luminance	0.3756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B2D7 #D75C37

analogous

#37D7AC #37B2D7 #3762D7

triadic

#37B2D7 #D737B2 #B2D737

tetradic

#37B2D7 #AC37D7 #D75C37 #62D737

square

#37B2D7 #AC37D7 #D75C37 #62D737

split-complementary

#37B2D7 #D73762 #D7AC37

monochromatic

#19647B #238EAE #37B2D7 #6AC6E1 #9DD9EB

Accessibility & contrast

On white

2.47

#37B2D7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.51

#37B2D7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B2D7

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B2D7	#FFFFFF	#000000	##000000
##37B2D7	1.00	2.47	8.51	8.51
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.51	21.00	1.00	1.00
##000000	8.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DAED9

Deuteranopia (green-blind)

#879ED7

Tritanopia (blue-blind)

#00BDBE

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #37b2d7;
/* rgb */ color: rgb(55, 178, 215);
/* oklch */ color: oklch(71.3% 0.117 222.6);

Tailwind

colors: {
  custom: {
    50: '#84c9e3',
    500: '#37b2d7',
    950: '#000000',
  },
}

SCSS

$custom: #37b2d7;
$custom-light: #84c9e3;
$custom-dark: #000000;

JSON

{
  "hex": "#37b2d7",
  "rgb": {
    "r": 55,
    "g": 178,
    "b": 215
  },
  "hsl": {
    "h": 193.875,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.71277,
    "c": 0.11705,
    "h": 222.6
  },
  "luminance": 0.37559
}

Semantic roles & 50–950 ramp

primary

#37B2D7

secondary

#D7A292

accent

#663EEA

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #37B2D7

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

Preview Lab → · Contrast checker → · Palette generator →