#37A5C5#37A5C5

#37A5C5 is a light, moderate cyan. Relative luminance 0.318; OKLCH L 67.4% C 0.107 H 221.4°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#37A5C5
RGB	rgb(55, 165, 197)
HSL	hsl(194, 56%, 49%)
HSV	hsv(194, 72%, 77%)
CMYK	cmyk(72.1%, 16.2%, 0%, 22.7%)
CIE-LAB	lab(63.14, -20.30, -25.33)
CIE-LCH	lch(63.14, 32.46, 231.29°)
OKLab	oklab(67.4% -0.0804 -0.0708)
OKLCH	oklch(67.4% 0.107 221.4)
XYZ	xyz(25.1046, 31.7508, 57.6179)
Luminance	0.3175 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A5C5 #C55737

analogous

#37C59E #37A5C5 #375EC5

triadic

#37A5C5 #C537A5 #A5C537

tetradic

#37A5C5 #9E37C5 #C55737 #5EC537

square

#37A5C5 #9E37C5 #C55737 #5EC537

split-complementary

#37A5C5 #C5375E #C59E37

monochromatic

#1C5565 #2A7D95 #37A5C5 #65BBD4 #95D0E1

Accessibility & contrast

On white

2.86

#37A5C5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#37A5C5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A5C5

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A5C5	#FFFFFF	#000000	##000000
##37A5C5	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92A1C7

Deuteranopia (green-blind)

#7F93C5

Tritanopia (blue-blind)

#00AFAF

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #37a5c5;
/* rgb */ color: rgb(55, 165, 197);
/* oklch */ color: oklch(67.4% 0.107 221.4);

Tailwind

colors: {
  custom: {
    50: '#81bfd6',
    500: '#37a5c5',
    950: '#000000',
  },
}

SCSS

$custom: #37a5c5;
$custom-light: #81bfd6;
$custom-dark: #000000;

JSON

{
  "hex": "#37a5c5",
  "rgb": {
    "r": 55,
    "g": 165,
    "b": 197
  },
  "hsl": {
    "h": 193.521,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.67395,
    "c": 0.10711,
    "h": 221.4
  },
  "luminance": 0.31754
}

Semantic roles & 50–950 ramp

primary

#37A5C5

secondary

#CD9A8B

accent

#6A48E0

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A5C5

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

Preview Lab → · Contrast checker → · Palette generator →