#37A6C8#37A6C8

#37A6C8 is a light, moderate cyan. Relative luminance 0.323; OKLCH L 67.8% C 0.109 H 222.6°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#37A6C8
RGB	rgb(55, 166, 200)
HSL	hsl(194, 57%, 50%)
HSV	hsv(194, 73%, 78%)
CMYK	cmyk(72.5%, 17%, 0%, 21.6%)
CIE-LAB	lab(63.55, -19.85, -26.36)
CIE-LCH	lch(63.55, 33.00, 233.02°)
OKLab	oklab(67.77% -0.0802 -0.0737)
OKLCH	oklch(67.77% 0.109 222.6)
XYZ	xyz(25.6328, 32.2518, 59.5067)
Luminance	0.3226 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A6C8 #C85937

analogous

#37C8A2 #37A6C8 #375DC8

triadic

#37A6C8 #C837A6 #A6C837

tetradic

#37A6C8 #A237C8 #C85937 #5DC837

square

#37A6C8 #A237C8 #C85937 #5DC837

split-complementary

#37A6C8 #C8375D #C8A237

monochromatic

#1D5668 #2A7E98 #37A6C8 #67BBD5 #97D1E2

Accessibility & contrast

On white

2.82

#37A6C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#37A6C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A6C8

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A6C8	#FFFFFF	#000000	##000000
##37A6C8	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92A2CA

Deuteranopia (green-blind)

#7F94C8

Tritanopia (blue-blind)

#00B1B1

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #37a6c8;
/* rgb */ color: rgb(55, 166, 200);
/* oklch */ color: oklch(67.8% 0.109 222.6);

Tailwind

colors: {
  custom: {
    50: '#81c0d8',
    500: '#37a6c8',
    950: '#000000',
  },
}

SCSS

$custom: #37a6c8;
$custom-light: #81c0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#37a6c8",
  "rgb": {
    "r": 55,
    "g": 166,
    "b": 200
  },
  "hsl": {
    "h": 194.069,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.67765,
    "c": 0.10896,
    "h": 222.6
  },
  "luminance": 0.32255
}

Semantic roles & 50–950 ramp

primary

#37A6C8

secondary

#CE9C8D

accent

#6B48E0

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A6C8

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

Preview Lab → · Contrast checker → · Palette generator →