#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
RGBrgb(55, 132, 197)
HSLhsl(207, 56%, 49%)
HSVhsv(207, 72%, 77%)
CMYKcmyk(72.1%, 33%, 0%, 22.7%)
CIE-LABlab(53.32, -1.91, -40.61)
CIE-LCHlch(53.32, 40.65, 267.31°)
OKLaboklab(59.59% -0.048 -0.1152)
OKLCHoklch(59.59% 0.125 247.4)
XYZxyz(19.9010, 21.3438, 55.8834)
Luminance0.2135 (WCAG relative)
Temperaturecool
Familycyan

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
##3784C51.003.995.275.27
#FFFFFF3.991.0021.0021.00
#0000005.2721.001.001.00
##0000005.2721.001.001.00

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 →

#3784C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva