#37A8D4#37A8D4

#37A8D4 is a light, moderate cyan. Relative luminance 0.336; OKLCH L 68.8% C 0.117 H 228.6°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#37A8D4
RGB	rgb(55, 168, 212)
HSL	hsl(197, 65%, 52%)
HSV	hsv(197, 74%, 83%)
CMYK	cmyk(74.1%, 20.8%, 0%, 16.9%)
CIE-LAB	lab(64.62, -16.96, -31.37)
CIE-LCH	lch(64.62, 35.67, 241.60°)
OKLab	oklab(68.78% -0.0777 -0.0881)
OKLCH	oklch(68.78% 0.117 228.6)
XYZ	xyz(27.4570, 33.5677, 67.3067)
Luminance	0.3357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A8D4 #D46337

analogous

#37D4B1 #37A8D4 #375AD4

triadic

#37A8D4 #D437A8 #A8D437

tetradic

#37A8D4 #B137D4 #D46337 #5AD437

square

#37A8D4 #B137D4 #D46337 #5AD437

split-complementary

#37A8D4 #D4375A #D4B137

monochromatic

#1A5D77 #2484A9 #37A8D4 #69BEDF #9CD4EA

Accessibility & contrast

On white

2.72

#37A8D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.71

#37A8D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A8D4

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A8D4	#FFFFFF	#000000	##000000
##37A8D4	1.00	2.72	7.71	7.71
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.71	21.00	1.00	1.00
##000000	7.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A5D6

Deuteranopia (green-blind)

#7C96D3

Tritanopia (blue-blind)

#00B4B7

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #37a8d4;
/* rgb */ color: rgb(55, 168, 212);
/* oklch */ color: oklch(68.8% 0.117 228.6);

Tailwind

colors: {
  custom: {
    50: '#83c2e1',
    500: '#37a8d4',
    950: '#000000',
  },
}

SCSS

$custom: #37a8d4;
$custom-light: #83c2e1;
$custom-dark: #000000;

JSON

{
  "hex": "#37a8d4",
  "rgb": {
    "r": 55,
    "g": 168,
    "b": 212
  },
  "hsl": {
    "h": 196.815,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.68776,
    "c": 0.11747,
    "h": 228.6
  },
  "luminance": 0.33571
}

Semantic roles & 50–950 ramp

primary

#37A8D4

secondary

#D6A491

accent

#6F40E8

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A8D4

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

Preview Lab → · Contrast checker → · Palette generator →