#3784C6#3784C6

#3784C6 is a mid, vivid cyan. Relative luminance 0.214; OKLCH L 59.6% C 0.126 H 247.7°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3784C6
RGB	rgb(55, 132, 198)
HSL	hsl(208, 57%, 50%)
HSV	hsv(208, 72%, 78%)
CMYK	cmyk(72.2%, 33.3%, 0%, 22.4%)
CIE-LAB	lab(53.37, -1.55, -41.10)
CIE-LCH	lch(53.37, 41.13, 267.84°)
OKLab	oklab(59.65% -0.0477 -0.1166)
OKLCH	oklch(59.65% 0.126 247.7)
XYZ	xyz(20.0160, 21.3897, 56.4889)
Luminance	0.2139 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3784C6 #C67937

analogous

#37C6C1 #3784C6 #373DC6

triadic

#3784C6 #C63784 #84C637

tetradic

#3784C6 #C137C6 #C67937 #3DC637

square

#3784C6 #C137C6 #C67937 #3DC637

split-complementary

#3784C6 #C6373D #C6C137

monochromatic

#1C4466 #2A6496 #3784C6 #66A1D4 #96BFE2

Accessibility & contrast

On white

3.98

#3784C6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#3784C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3784C6

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3784C6	#FFFFFF	#000000	##000000
##3784C6	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6687C9

Deuteranopia (green-blind)

#5279C5

Tritanopia (blue-blind)

#00949C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3784c6;
/* rgb */ color: rgb(55, 132, 198);
/* oklch */ color: oklch(59.6% 0.126 247.7);

Tailwind

colors: {
  custom: {
    50: '#7fa7d7',
    500: '#3784c6',
    950: '#000000',
  },
}

SCSS

$custom: #3784c6;
$custom-light: #7fa7d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3784c6",
  "rgb": {
    "r": 55,
    "g": 132,
    "b": 198
  },
  "hsl": {
    "h": 207.692,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.59647,
    "c": 0.12599,
    "h": 247.7
  },
  "luminance": 0.21392
}

Semantic roles & 50–950 ramp

primary

#3784C6

secondary

#CDAA8C

accent

#8E48E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3784C6

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

Preview Lab → · Contrast checker → · Palette generator →