#37ACD4#37ACD4

#37ACD4 is a light, moderate cyan. Relative luminance 0.351; OKLCH L 69.7% C 0.116 H 225.4°. Best body text is #000000 at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#37ACD4
RGB	rgb(55, 172, 212)
HSL	hsl(195, 65%, 52%)
HSV	hsv(195, 74%, 83%)
CMYK	cmyk(74.1%, 18.9%, 0%, 16.9%)
CIE-LAB	lab(65.80, -19.08, -29.55)
CIE-LCH	lch(65.80, 35.17, 237.15°)
OKLab	oklab(69.72% -0.0816 -0.0828)
OKLCH	oklch(69.72% 0.116 225.4)
XYZ	xyz(28.2069, 35.0674, 67.5567)
Luminance	0.3507 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ACD4 #D45F37

analogous

#37D4AE #37ACD4 #375DD4

triadic

#37ACD4 #D437AC #ACD437

tetradic

#37ACD4 #AE37D4 #D45F37 #5DD437

square

#37ACD4 #AE37D4 #D45F37 #5DD437

split-complementary

#37ACD4 #D4375D #D4AE37

monochromatic

#1A5F77 #2488A9 #37ACD4 #69C1DF #9CD6EA

Accessibility & contrast

On white

2.62

#37ACD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.01

#37ACD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ACD4

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ACD4	#FFFFFF	#000000	##000000
##37ACD4	1.00	2.62	8.01	8.01
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.01	21.00	1.00	1.00
##000000	8.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A8D6

Deuteranopia (green-blind)

#8199D4

Tritanopia (blue-blind)

#00B8B9

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #37acd4;
/* rgb */ color: rgb(55, 172, 212);
/* oklch */ color: oklch(69.7% 0.116 225.4);

Tailwind

colors: {
  custom: {
    50: '#84c4e1',
    500: '#37acd4',
    950: '#000000',
  },
}

SCSS

$custom: #37acd4;
$custom-light: #84c4e1;
$custom-dark: #000000;

JSON

{
  "hex": "#37acd4",
  "rgb": {
    "r": 55,
    "g": 172,
    "b": 212
  },
  "hsl": {
    "h": 195.287,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.69723,
    "c": 0.11624,
    "h": 225.4
  },
  "luminance": 0.35071
}

Semantic roles & 50–950 ramp

primary

#37ACD4

secondary

#D6A391

accent

#6B40E8

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37ACD4

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

Preview Lab → · Contrast checker → · Palette generator →