#37A5C1#37A5C1

#37A5C1 is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.2% C 0.105 H 218.5°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#37A5C1
RGB	rgb(55, 165, 193)
HSL	hsl(192, 56%, 49%)
HSV	hsv(192, 72%, 76%)
CMYK	cmyk(71.5%, 14.5%, 0%, 24.3%)
CIE-LAB	lab(62.99, -21.59, -23.33)
CIE-LCH	lch(62.99, 31.78, 227.21°)
OKLab	oklab(67.22% -0.0819 -0.0651)
OKLCH	oklch(67.22% 0.105 218.5)
XYZ	xyz(24.6523, 31.5699, 55.2361)
Luminance	0.3157 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A5C1 #C15337

analogous

#37C198 #37A5C1 #3760C1

triadic

#37A5C1 #C137A5 #A5C137

tetradic

#37A5C1 #9837C1 #C15337 #60C137

square

#37A5C1 #9837C1 #C15337 #60C137

split-complementary

#37A5C1 #C13760 #C19837

monochromatic

#1C5462 #297C91 #37A5C1 #63BCD2 #92D0E0

Accessibility & contrast

On white

2.87

#37A5C1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#37A5C1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A5C1

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A5C1	#FFFFFF	#000000	##000000
##37A5C1	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93A0C3

Deuteranopia (green-blind)

#8092C1

Tritanopia (blue-blind)

#00AEAE

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #37a5c1;
/* rgb */ color: rgb(55, 165, 193);
/* oklch */ color: oklch(67.2% 0.105 218.5);

Tailwind

colors: {
  custom: {
    50: '#80c0d3',
    500: '#37a5c1',
    950: '#000000',
  },
}

SCSS

$custom: #37a5c1;
$custom-light: #80c0d3;
$custom-dark: #000000;

JSON

{
  "hex": "#37a5c1",
  "rgb": {
    "r": 55,
    "g": 165,
    "b": 193
  },
  "hsl": {
    "h": 192.174,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.67224,
    "c": 0.10465,
    "h": 218.5
  },
  "luminance": 0.31573
}

Semantic roles & 50–950 ramp

primary

#37A5C1

secondary

#CB9689

accent

#6749DF

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #37A5C1

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

Preview Lab → · Contrast checker → · Palette generator →