#37B2D4#37B2D4

#37B2D4 is a light, moderate cyan. Relative luminance 0.374; OKLCH L 71.1% C 0.115 H 220.6°. Best body text is #000000 at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#37B2D4
RGB	rgb(55, 178, 212)
HSL	hsl(193, 65%, 52%)
HSV	hsv(193, 74%, 83%)
CMYK	cmyk(74.1%, 16%, 0%, 16.9%)
CIE-LAB	lab(67.58, -22.20, -26.81)
CIE-LCH	lch(67.58, 34.81, 230.37°)
OKLab	oklab(71.15% -0.0873 -0.075)
OKLCH	oklch(71.15% 0.115 220.6)
XYZ	xyz(29.3746, 37.4030, 67.9459)
Luminance	0.3741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B2D4 #D45937

analogous

#37D4A8 #37B2D4 #3763D4

triadic

#37B2D4 #D437B2 #B2D437

tetradic

#37B2D4 #A837D4 #D45937 #63D437

square

#37B2D4 #A837D4 #D45937 #63D437

split-complementary

#37B2D4 #D43763 #D4A837

monochromatic

#1A6377 #248DA9 #37B2D4 #69C5DF #9CD9EA

Accessibility & contrast

On white

2.48

#37B2D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.48

#37B2D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B2D4

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B2D4	#FFFFFF	#000000	##000000
##37B2D4	1.00	2.48	8.48	8.48
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.48	21.00	1.00	1.00
##000000	8.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EADD6

Deuteranopia (green-blind)

#889ED4

Tritanopia (blue-blind)

#00BDBD

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #37b2d4;
/* rgb */ color: rgb(55, 178, 212);
/* oklch */ color: oklch(71.1% 0.115 220.6);

Tailwind

colors: {
  custom: {
    50: '#84c9e1',
    500: '#37b2d4',
    950: '#000000',
  },
}

SCSS

$custom: #37b2d4;
$custom-light: #84c9e1;
$custom-dark: #000000;

JSON

{
  "hex": "#37b2d4",
  "rgb": {
    "r": 55,
    "g": 178,
    "b": 212
  },
  "hsl": {
    "h": 192.994,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.71148,
    "c": 0.1151,
    "h": 220.6
  },
  "luminance": 0.37406
}

Semantic roles & 50–950 ramp

primary

#37B2D4

secondary

#D6A091

accent

#6440E8

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B2D4

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

Preview Lab → · Contrast checker → · Palette generator →