#3784BE#3784BE

#3784BE is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.2% C 0.116 H 244.5°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX#3784BE
RGBrgb(55, 132, 190)
HSLhsl(206, 55%, 48%)
HSVhsv(206, 71%, 75%)
CMYKcmyk(71.1%, 30.5%, 0%, 25.5%)
CIE-LABlab(52.98, -4.38, -37.15)
CIE-LCHlch(52.98, 37.41, 263.27°)
OKLaboklab(59.21% -0.0501 -0.1051)
OKLCHoklch(59.21% 0.116 244.5)
XYZxyz(19.1175, 21.0303, 51.7569)
Luminance0.2103 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3784BE #BE7137
analogous
#37BEB4 #3784BE #3740BE
triadic
#3784BE #BE3784 #84BE37
tetradic
#3784BE #B437BE #BE7137 #40BE37
square
#3784BE #B437BE #BE7137 #40BE37
split-complementary
#3784BE #BE3740 #BEB437
monochromatic
#1C425F #29638F #3784BE #61A1D1 #90BDDF

Accessibility & contrast

On white

4.03
#3784BE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.21
#3784BE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3784BE
5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3784BE#FFFFFF#000000##000000
##3784BE1.004.035.215.21
#FFFFFF4.031.0021.0021.00
#0000005.2121.001.001.00
##0000005.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A86C1
Deuteranopia (green-blind)
#5779BD
Tritanopia (blue-blind)
#009298
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #3784be;
/* rgb */ color: rgb(55, 132, 190);
/* oklch */ color: oklch(59.2% 0.116 244.5);
Tailwind
colors: {
  custom: {
    50: '#7ea7d2',
    500: '#3784be',
    950: '#000000',
  },
}
SCSS
$custom: #3784be;
$custom-light: #7ea7d2;
$custom-dark: #000000;
JSON
{
  "hex": "#3784be",
  "rgb": {
    "r": 55,
    "g": 132,
    "b": 190
  },
  "hsl": {
    "h": 205.778,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.59211,
    "c": 0.11643,
    "h": 244.5
  },
  "luminance": 0.21032
}

Semantic roles & 50–950 ramp

primary
#3784BE
secondary
#CAA487
accent
#8949DE
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F14
muted
#7C7F82

Preview Lab

Preview with #3784BE

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

Preview Lab → · Contrast checker → · Palette generator →

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