#3784DA#3784DA

#3784DA is a mid, vivid cyan. Relative luminance 0.224; OKLCH L 60.8% C 0.151 H 253.6°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX#3784DA
RGBrgb(55, 132, 218)
HSLhsl(212, 69%, 54%)
HSVhsv(212, 75%, 85%)
CMYKcmyk(74.8%, 39.4%, 0%, 14.5%)
CIE-LABlab(54.42, 5.66, -50.74)
CIE-LCHlch(54.42, 51.06, 276.36°)
OKLaboklab(60.81% -0.0426 -0.1449)
OKLCHoklch(60.81% 0.151 253.6)
XYZxyz(22.4770, 22.3741, 69.4501)
Luminance0.2238 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3784DA #DA8D37
analogous
#37D6DA #3784DA #3B37DA
triadic
#3784DA #DA3784 #84DA37
tetradic
#3784DA #DA37D6 #DA8D37 #37DA3B
square
#3784DA #DA37D6 #DA8D37 #37DA3B
split-complementary
#3784DA #DA3B37 #D6DA37
monochromatic
#18487F #2166B3 #3784DA #6BA4E4 #9EC4ED

Accessibility & contrast

On white

3.84
#3784DA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.48
#3784DA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3784DA
5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3784DA#FFFFFF#000000##000000
##3784DA1.003.845.485.48
#FFFFFF3.841.0021.0021.00
#0000005.4821.001.001.00
##0000005.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#5B8ADD
Deuteranopia (green-blind)
#417BD8
Tritanopia (blue-blind)
#0098A4
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #3784da;
/* rgb */ color: rgb(55, 132, 218);
/* oklch */ color: oklch(60.8% 0.151 253.6);
Tailwind
colors: {
  custom: {
    50: '#83a7e6',
    500: '#3784da',
    950: '#000000',
  },
}
SCSS
$custom: #3784da;
$custom-light: #83a7e6;
$custom-dark: #000000;
JSON
{
  "hex": "#3784da",
  "rgb": {
    "r": 55,
    "g": 132,
    "b": 218
  },
  "hsl": {
    "h": 211.656,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.60809,
    "c": 0.15099,
    "h": 253.6
  },
  "luminance": 0.22377
}

Semantic roles & 50–950 ramp

primary
#3784DA
secondary
#D9B893
accent
#993CEC
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C0F16
muted
#7D7F84

Preview Lab

Preview with #3784DA

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

Preview Lab → · Contrast checker → · Palette generator →

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