#3784C5#3784C5

#3784C5 is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.6% C 0.125 H 247.4°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3784C5
RGB	rgb(55, 132, 197)
HSL	hsl(207, 56%, 49%)
HSV	hsv(207, 72%, 77%)
CMYK	cmyk(72.1%, 33%, 0%, 22.7%)
CIE-LAB	lab(53.32, -1.91, -40.61)
CIE-LCH	lch(53.32, 40.65, 267.31°)
OKLab	oklab(59.59% -0.048 -0.1152)
OKLCH	oklch(59.59% 0.125 247.4)
XYZ	xyz(19.9010, 21.3438, 55.8834)
Luminance	0.2135 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3784C5 #C57837

analogous

#37C5BF #3784C5 #373DC5

triadic

#3784C5 #C53784 #84C537

tetradic

#3784C5 #BF37C5 #C57837 #3DC537

square

#3784C5 #BF37C5 #C57837 #3DC537

split-complementary

#3784C5 #C5373D #C5BF37

monochromatic

#1C4465 #2A6495 #3784C5 #65A1D4 #95BEE1

Accessibility & contrast

On white

3.99

#3784C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#3784C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3784C5

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3784C5	#FFFFFF	#000000	##000000
##3784C5	1.00	3.99	5.27	5.27
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6787C8

Deuteranopia (green-blind)

#5279C4

Tritanopia (blue-blind)

#00949B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3784c5;
/* rgb */ color: rgb(55, 132, 197);
/* oklch */ color: oklch(59.6% 0.125 247.4);

Tailwind

colors: {
  custom: {
    50: '#7fa7d7',
    500: '#3784c5',
    950: '#000000',
  },
}

SCSS

$custom: #3784c5;
$custom-light: #7fa7d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3784c5",
  "rgb": {
    "r": 55,
    "g": 132,
    "b": 197
  },
  "hsl": {
    "h": 207.465,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.59591,
    "c": 0.12478,
    "h": 247.4
  },
  "luminance": 0.21346
}

Semantic roles & 50–950 ramp

primary

#3784C5

secondary

#CDA98B

accent

#8E48E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3784C5

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

Preview Lab → · Contrast checker → · Palette generator →