#3784BF#3784BF

#3784BF is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.3% C 0.118 H 245.0°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX#3784BF
RGBrgb(55, 132, 191)
HSLhsl(206, 55%, 48%)
HSVhsv(206, 71%, 75%)
CMYKcmyk(71.2%, 30.9%, 0%, 25.1%)
CIE-LABlab(53.03, -4.03, -37.65)
CIE-LCHlch(53.03, 37.86, 263.89°)
OKLaboklab(59.26% -0.0498 -0.1066)
OKLCHoklch(59.26% 0.118 245)
XYZxyz(19.2272, 21.0742, 52.3345)
Luminance0.2108 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3784BF #BF7237
analogous
#37BFB6 #3784BF #3740BF
triadic
#3784BF #BF3784 #84BF37
tetradic
#3784BF #B637BF #BF7237 #40BF37
square
#3784BF #B637BF #BF7237 #40BF37
split-complementary
#3784BF #BF3740 #BFB637
monochromatic
#1C4260 #29638F #3784BF #62A1D2 #91BDDF

Accessibility & contrast

On white

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

On black

5.22
#3784BF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3784BF
5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3784BF#FFFFFF#000000##000000
##3784BF1.004.035.225.22
#FFFFFF4.031.0021.0021.00
#0000005.2221.001.001.00
##0000005.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6986C2
Deuteranopia (green-blind)
#5679BE
Tritanopia (blue-blind)
#009299
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3784bf;
/* rgb */ color: rgb(55, 132, 191);
/* oklch */ color: oklch(59.3% 0.118 245.0);
Tailwind
colors: {
  custom: {
    50: '#7ea7d2',
    500: '#3784bf',
    950: '#000000',
  },
}
SCSS
$custom: #3784bf;
$custom-light: #7ea7d2;
$custom-dark: #000000;
JSON
{
  "hex": "#3784bf",
  "rgb": {
    "r": 55,
    "g": 132,
    "b": 191
  },
  "hsl": {
    "h": 206.029,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.59264,
    "c": 0.11761,
    "h": 245
  },
  "luminance": 0.21076
}

Semantic roles & 50–950 ramp

primary
#3784BF
secondary
#CAA488
accent
#8A49DF
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F14
muted
#7C7F82

Preview Lab

Preview with #3784BF

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

Preview Lab → · Contrast checker → · Palette generator →

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