#37A0C8#37A0C8

#37A0C8 is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.3% C 0.110 H 227.7°. Best body text is #000000 at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#37A0C8
RGB	rgb(55, 160, 200)
HSL	hsl(197, 57%, 50%)
HSV	hsv(197, 73%, 78%)
CMYK	cmyk(72.5%, 20%, 0%, 21.6%)
CIE-LAB	lab(61.76, -16.67, -29.13)
CIE-LCH	lch(61.76, 33.56, 240.22°)
OKLab	oklab(66.33% -0.0743 -0.0817)
OKLCH	oklch(66.33% 0.11 227.7)
XYZ	xyz(24.5674, 30.1211, 59.1516)
Luminance	0.3012 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A0C8 #C85F37

analogous

#37C8A8 #37A0C8 #3757C8

triadic

#37A0C8 #C837A0 #A0C837

tetradic

#37A0C8 #A837C8 #C85F37 #57C837

square

#37A0C8 #A837C8 #C85F37 #57C837

split-complementary

#37A0C8 #C83757 #C8A837

monochromatic

#1D5368 #2A7A98 #37A0C8 #67B7D5 #97CEE2

Accessibility & contrast

On white

2.99

#37A0C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.02

#37A0C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A0C8

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A0C8	#FFFFFF	#000000	##000000
##37A0C8	1.00	2.99	7.02	7.02
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.02	21.00	1.00	1.00
##000000	7.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9DCA

Deuteranopia (green-blind)

#778FC7

Tritanopia (blue-blind)

#00ABAD

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #37a0c8;
/* rgb */ color: rgb(55, 160, 200);
/* oklch */ color: oklch(66.3% 0.110 227.7);

Tailwind

colors: {
  custom: {
    50: '#81bcd8',
    500: '#37a0c8',
    950: '#000000',
  },
}

SCSS

$custom: #37a0c8;
$custom-light: #81bcd8;
$custom-dark: #000000;

JSON

{
  "hex": "#37a0c8",
  "rgb": {
    "r": 55,
    "g": 160,
    "b": 200
  },
  "hsl": {
    "h": 196.552,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.6633,
    "c": 0.11042,
    "h": 227.7
  },
  "luminance": 0.30124
}

Semantic roles & 50–950 ramp

primary

#37A0C8

secondary

#CE9F8D

accent

#7248E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A0C8

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

Preview Lab → · Contrast checker → · Palette generator →