#37A4C8#37A4C8

#37A4C8 is a light, moderate cyan. Relative luminance 0.315; OKLCH L 67.3% C 0.109 H 224.3°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#37A4C8
RGB	rgb(55, 164, 200)
HSL	hsl(195, 57%, 50%)
HSV	hsv(195, 73%, 78%)
CMYK	cmyk(72.5%, 18%, 0%, 21.6%)
CIE-LAB	lab(62.95, -18.80, -27.28)
CIE-LCH	lch(62.95, 33.13, 235.43°)
OKLab	oklab(67.29% -0.0782 -0.0764)
OKLCH	oklch(67.29% 0.109 224.3)
XYZ	xyz(25.2721, 31.5303, 59.3864)
Luminance	0.3153 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A4C8 #C85B37

analogous

#37C8A4 #37A4C8 #375BC8

triadic

#37A4C8 #C837A4 #A4C837

tetradic

#37A4C8 #A437C8 #C85B37 #5BC837

square

#37A4C8 #A437C8 #C85B37 #5BC837

split-complementary

#37A4C8 #C8375B #C8A437

monochromatic

#1D5568 #2A7D98 #37A4C8 #67BAD5 #97D0E2

Accessibility & contrast

On white

2.87

#37A4C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#37A4C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A4C8

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A4C8	#FFFFFF	#000000	##000000
##37A4C8	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)

#90A0CA

Deuteranopia (green-blind)

#7C92C8

Tritanopia (blue-blind)

#00AFB0

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #37a4c8;
/* rgb */ color: rgb(55, 164, 200);
/* oklch */ color: oklch(67.3% 0.109 224.3);

Tailwind

colors: {
  custom: {
    50: '#81bfd8',
    500: '#37a4c8',
    950: '#000000',
  },
}

SCSS

$custom: #37a4c8;
$custom-light: #81bfd8;
$custom-dark: #000000;

JSON

{
  "hex": "#37a4c8",
  "rgb": {
    "r": 55,
    "g": 164,
    "b": 200
  },
  "hsl": {
    "h": 194.897,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.67286,
    "c": 0.10934,
    "h": 224.3
  },
  "luminance": 0.31533
}

Semantic roles & 50–950 ramp

primary

#37A4C8

secondary

#CE9D8D

accent

#6E48E0

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A4C8

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

Preview Lab → · Contrast checker → · Palette generator →