#3784C3#3784C3

#3784C3 is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.5% C 0.122 H 246.6°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX#3784C3
RGBrgb(55, 132, 195)
HSLhsl(207, 56%, 49%)
HSVhsv(207, 72%, 76%)
CMYKcmyk(71.8%, 32.3%, 0%, 23.5%)
CIE-LABlab(53.23, -2.62, -39.62)
CIE-LCHlch(53.23, 39.71, 266.22°)
OKLaboklab(59.48% -0.0486 -0.1123)
OKLCHoklch(59.48% 0.122 246.6)
XYZxyz(19.6734, 21.2527, 54.6845)
Luminance0.2125 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3784C3 #C37637
analogous
#37C3BC #3784C3 #373EC3
triadic
#3784C3 #C33784 #84C337
tetradic
#3784C3 #BC37C3 #C37637 #3EC337
square
#3784C3 #BC37C3 #C37637 #3EC337
split-complementary
#3784C3 #C3373E #C3BC37
monochromatic
#1C4364 #2A6493 #3784C3 #64A1D3 #94BEE1

Accessibility & contrast

On white

4.00
#3784C3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.25
#3784C3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3784C3
5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3784C3#FFFFFF#000000##000000
##3784C31.004.005.255.25
#FFFFFF4.001.0021.0021.00
#0000005.2521.001.001.00
##0000005.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6786C6
Deuteranopia (green-blind)
#5479C2
Tritanopia (blue-blind)
#00939B
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3784c3;
/* rgb */ color: rgb(55, 132, 195);
/* oklch */ color: oklch(59.5% 0.122 246.6);
Tailwind
colors: {
  custom: {
    50: '#7fa7d5',
    500: '#3784c3',
    950: '#000000',
  },
}
SCSS
$custom: #3784c3;
$custom-light: #7fa7d5;
$custom-dark: #000000;
JSON
{
  "hex": "#3784c3",
  "rgb": {
    "r": 55,
    "g": 132,
    "b": 195
  },
  "hsl": {
    "h": 207,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.59481,
    "c": 0.12236,
    "h": 246.6
  },
  "luminance": 0.21255
}

Semantic roles & 50–950 ramp

primary
#3784C3
secondary
#CCA88A
accent
#8C49DF
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83

Preview Lab

Preview with #3784C3

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

Preview Lab → · Contrast checker → · Palette generator →

#3784C3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva