#37A6C5#37A6C5

#37A6C5 is a light, moderate cyan. Relative luminance 0.321; OKLCH L 67.6% C 0.107 H 220.5°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#37A6C5
RGB	rgb(55, 166, 197)
HSL	hsl(193, 56%, 49%)
HSV	hsv(193, 72%, 77%)
CMYK	cmyk(72.1%, 15.7%, 0%, 22.7%)
CIE-LAB	lab(63.44, -20.82, -24.87)
CIE-LCH	lch(63.44, 32.43, 230.06°)
OKLab	oklab(67.64% -0.0814 -0.0695)
OKLCH	oklch(67.64% 0.107 220.5)
XYZ	xyz(25.2856, 32.1129, 57.6783)
Luminance	0.3212 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A6C5 #C55637

analogous

#37C59D #37A6C5 #375FC5

triadic

#37A6C5 #C537A6 #A6C537

tetradic

#37A6C5 #9D37C5 #C55637 #5FC537

square

#37A6C5 #9D37C5 #C55637 #5FC537

split-complementary

#37A6C5 #C5375F #C59D37

monochromatic

#1C5565 #2A7E95 #37A6C5 #65BCD4 #95D1E1

Accessibility & contrast

On white

2.83

#37A6C5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#37A6C5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A6C5

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A6C5	#FFFFFF	#000000	##000000
##37A6C5	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93A2C7

Deuteranopia (green-blind)

#8093C5

Tritanopia (blue-blind)

#00B0B0

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #37a6c5;
/* rgb */ color: rgb(55, 166, 197);
/* oklch */ color: oklch(67.6% 0.107 220.5);

Tailwind

colors: {
  custom: {
    50: '#81c0d6',
    500: '#37a6c5',
    950: '#000000',
  },
}

SCSS

$custom: #37a6c5;
$custom-light: #81c0d6;
$custom-dark: #000000;

JSON

{
  "hex": "#37a6c5",
  "rgb": {
    "r": 55,
    "g": 166,
    "b": 197
  },
  "hsl": {
    "h": 193.099,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.67636,
    "c": 0.10699,
    "h": 220.5
  },
  "luminance": 0.32116
}

Semantic roles & 50–950 ramp

primary

#37A6C5

secondary

#CD998B

accent

#6948E0

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A6C5

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

Preview Lab → · Contrast checker → · Palette generator →