#37ADCF#37ADCF

#37ADCF is a light, moderate cyan. Relative luminance 0.352; OKLCH L 69.7% C 0.113 H 221.4°. Best body text is #000000 at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#37ADCF
RGB	rgb(55, 173, 207)
HSL	hsl(193, 61%, 51%)
HSV	hsv(193, 73%, 81%)
CMYK	cmyk(73.4%, 16.4%, 0%, 18.8%)
CIE-LAB	lab(65.90, -21.23, -26.62)
CIE-LCH	lch(65.90, 34.05, 231.43°)
OKLab	oklab(69.74% -0.0844 -0.0744)
OKLCH	oklch(69.74% 0.113 221.4)
XYZ	xyz(27.7769, 35.2011, 64.3499)
Luminance	0.3520 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ADCF #CF5937

analogous

#37CFA5 #37ADCF #3761CF

triadic

#37ADCF #CF37AD #ADCF37

tetradic

#37ADCF #A537CF #CF5937 #61CF37

square

#37ADCF #A537CF #CF5937 #61CF37

split-complementary

#37ADCF #CF3761 #CFA537

monochromatic

#1B5D71 #2786A2 #37ADCF #68C1DB #9AD5E7

Accessibility & contrast

On white

2.61

#37ADCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.04

#37ADCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ADCF

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ADCF	#FFFFFF	#000000	##000000
##37ADCF	1.00	2.61	8.04	8.04
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.04	21.00	1.00	1.00
##000000	8.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A9D1

Deuteranopia (green-blind)

#849ACF

Tritanopia (blue-blind)

#00B8B8

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #37adcf;
/* rgb */ color: rgb(55, 173, 207);
/* oklch */ color: oklch(69.7% 0.113 221.4);

Tailwind

colors: {
  custom: {
    50: '#83c5dd',
    500: '#37adcf',
    950: '#000000',
  },
}

SCSS

$custom: #37adcf;
$custom-light: #83c5dd;
$custom-dark: #000000;

JSON

{
  "hex": "#37adcf",
  "rgb": {
    "r": 55,
    "g": 173,
    "b": 207
  },
  "hsl": {
    "h": 193.421,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.69742,
    "c": 0.11255,
    "h": 221.4
  },
  "luminance": 0.35204
}

Semantic roles & 50–950 ramp

primary

#37ADCF

secondary

#D29E8F

accent

#6743E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37ADCF

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

Preview Lab → · Contrast checker → · Palette generator →