#37A5C3#37A5C3

#37A5C3 is a light, moderate cyan. Relative luminance 0.317; OKLCH L 67.3% C 0.106 H 219.9°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#37A5C3
RGB	rgb(55, 165, 195)
HSL	hsl(193, 56%, 49%)
HSV	hsv(193, 72%, 76%)
CMYK	cmyk(71.8%, 15.4%, 0%, 23.5%)
CIE-LAB	lab(63.06, -20.95, -24.33)
CIE-LCH	lch(63.06, 32.10, 229.27°)
OKLab	oklab(67.31% -0.0812 -0.0679)
OKLCH	oklch(67.31% 0.106 219.9)
XYZ	xyz(24.8769, 31.6597, 56.4190)
Luminance	0.3166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A5C3 #C35537

analogous

#37C39B #37A5C3 #375FC3

triadic

#37A5C3 #C337A5 #A5C337

tetradic

#37A5C3 #9B37C3 #C35537 #5FC337

square

#37A5C3 #9B37C3 #C35537 #5FC337

split-complementary

#37A5C3 #C3375F #C39B37

monochromatic

#1C5464 #2A7D93 #37A5C3 #64BBD3 #94D0E1

Accessibility & contrast

On white

2.86

#37A5C3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#37A5C3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A5C3

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A5C3	#FFFFFF	#000000	##000000
##37A5C3	1.00	2.86	7.33	7.33
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93A1C5

Deuteranopia (green-blind)

#7F93C3

Tritanopia (blue-blind)

#00AFAF

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #37a5c3;
/* rgb */ color: rgb(55, 165, 195);
/* oklch */ color: oklch(67.3% 0.106 219.9);

Tailwind

colors: {
  custom: {
    50: '#81c0d5',
    500: '#37a5c3',
    950: '#000000',
  },
}

SCSS

$custom: #37a5c3;
$custom-light: #81c0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#37a5c3",
  "rgb": {
    "r": 55,
    "g": 165,
    "b": 195
  },
  "hsl": {
    "h": 192.857,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.67309,
    "c": 0.10584,
    "h": 219.9
  },
  "luminance": 0.31663
}

Semantic roles & 50–950 ramp

primary

#37A5C3

secondary

#CC988A

accent

#6949DF

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A5C3

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

Preview Lab → · Contrast checker → · Palette generator →