#37AFD7#37AFD7

#37AFD7 is a light, moderate cyan. Relative luminance 0.364; OKLCH L 70.6% C 0.118 H 224.9°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#37AFD7
RGB	rgb(55, 175, 215)
HSL	hsl(195, 67%, 53%)
HSV	hsv(195, 74%, 84%)
CMYK	cmyk(74.4%, 18.6%, 0%, 15.7%)
CIE-LAB	lab(66.81, -19.67, -29.65)
CIE-LCH	lch(66.81, 35.58, 236.44°)
OKLab	oklab(70.57% -0.0833 -0.0831)
OKLCH	oklch(70.57% 0.118 224.9)
XYZ	xyz(29.1662, 36.3750, 69.7607)
Luminance	0.3638 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AFD7 #D75F37

analogous

#37D7AF #37AFD7 #375FD7

triadic

#37AFD7 #D737AF #AFD737

tetradic

#37AFD7 #AF37D7 #D75F37 #5FD737

square

#37AFD7 #AF37D7 #D75F37 #5FD737

split-complementary

#37AFD7 #D7375F #D7AF37

monochromatic

#19627B #238BAE #37AFD7 #6AC3E1 #9DD8EB

Accessibility & contrast

On white

2.54

#37AFD7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#37AFD7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AFD7

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AFD7	#FFFFFF	#000000	##000000
##37AFD7	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99ABD9

Deuteranopia (green-blind)

#839CD7

Tritanopia (blue-blind)

#00BBBC

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #37afd7;
/* rgb */ color: rgb(55, 175, 215);
/* oklch */ color: oklch(70.6% 0.118 224.9);

Tailwind

colors: {
  custom: {
    50: '#84c7e3',
    500: '#37afd7',
    950: '#000000',
  },
}

SCSS

$custom: #37afd7;
$custom-light: #84c7e3;
$custom-dark: #000000;

JSON

{
  "hex": "#37afd7",
  "rgb": {
    "r": 55,
    "g": 175,
    "b": 215
  },
  "hsl": {
    "h": 195,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.70566,
    "c": 0.11768,
    "h": 224.9
  },
  "luminance": 0.36378
}

Semantic roles & 50–950 ramp

primary

#37AFD7

secondary

#D7A492

accent

#693EEA

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37AFD7

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

Preview Lab → · Contrast checker → · Palette generator →