#37A3C8#37A3C8

#37A3C8 is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.0% C 0.110 H 225.2°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#37A3C8
RGB	rgb(55, 163, 200)
HSL	hsl(195, 57%, 50%)
HSV	hsv(195, 73%, 78%)
CMYK	cmyk(72.5%, 18.5%, 0%, 21.6%)
CIE-LAB	lab(62.65, -18.27, -27.74)
CIE-LCH	lch(62.65, 33.22, 236.64°)
OKLab	oklab(67.05% -0.0773 -0.0777)
OKLCH	oklch(67.05% 0.11 225.2)
XYZ	xyz(25.0938, 31.1738, 59.3270)
Luminance	0.3118 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A3C8 #C85C37

analogous

#37C8A4 #37A3C8 #375BC8

triadic

#37A3C8 #C837A3 #A3C837

tetradic

#37A3C8 #A437C8 #C85C37 #5BC837

square

#37A3C8 #A437C8 #C85C37 #5BC837

split-complementary

#37A3C8 #C8375B #C8A437

monochromatic

#1D5568 #2A7C98 #37A3C8 #67B9D5 #97CFE2

Accessibility & contrast

On white

2.90

#37A3C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.24

#37A3C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A3C8

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A3C8	#FFFFFF	#000000	##000000
##37A3C8	1.00	2.90	7.24	7.24
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.24	21.00	1.00	1.00
##000000	7.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FA0CA

Deuteranopia (green-blind)

#7B91C8

Tritanopia (blue-blind)

#00AEAF

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #37a3c8;
/* rgb */ color: rgb(55, 163, 200);
/* oklch */ color: oklch(67.0% 0.110 225.2);

Tailwind

colors: {
  custom: {
    50: '#81bed8',
    500: '#37a3c8',
    950: '#000000',
  },
}

SCSS

$custom: #37a3c8;
$custom-light: #81bed8;
$custom-dark: #000000;

JSON

{
  "hex": "#37a3c8",
  "rgb": {
    "r": 55,
    "g": 163,
    "b": 200
  },
  "hsl": {
    "h": 195.31,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.67047,
    "c": 0.10958,
    "h": 225.2
  },
  "luminance": 0.31177
}

Semantic roles & 50–950 ramp

primary

#37A3C8

secondary

#CE9D8D

accent

#6F48E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A3C8

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

Preview Lab → · Contrast checker → · Palette generator →