#3782CC#3782CC

#3782CC is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.5% C 0.135 H 250.9°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX#3782CC
RGBrgb(55, 130, 204)
HSLhsl(210, 59%, 51%)
HSVhsv(210, 73%, 80%)
CMYKcmyk(73%, 36.3%, 0%, 20%)
CIE-LABlab(53.10, 1.79, -44.94)
CIE-LCHlch(53.10, 44.98, 272.29°)
OKLaboklab(59.53% -0.0442 -0.1279)
OKLCHoklch(59.53% 0.135 250.9)
XYZxyz(20.4532, 21.1348, 60.1165)
Luminance0.2114 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3782CC #CC8137
analogous
#37CCCC #3782CC #3737CC
triadic
#3782CC #CC3782 #82CC37
tetradic
#3782CC #CC37CC #CC8137 #37CC37
square
#3782CC #CC37CC #CC8137 #37CC37
split-complementary
#3782CC #CC3737 #CCCC37
monochromatic
#1C456D #28639E #3782CC #68A0D8 #99BFE5

Accessibility & contrast

On white

4.02
#3782CC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.23
#3782CC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3782CC
5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3782CC#FFFFFF#000000##000000
##3782CC1.004.025.235.23
#FFFFFF4.021.0021.0021.00
#0000005.2321.001.001.00
##0000005.2321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6086CF
Deuteranopia (green-blind)
#4A78CB
Tritanopia (blue-blind)
#00939D
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3782cc;
/* rgb */ color: rgb(55, 130, 204);
/* oklch */ color: oklch(59.5% 0.135 250.9);
Tailwind
colors: {
  custom: {
    50: '#81a5dc',
    500: '#3782cc',
    950: '#000000',
  },
}
SCSS
$custom: #3782cc;
$custom-light: #81a5dc;
$custom-dark: #000000;
JSON
{
  "hex": "#3782cc",
  "rgb": {
    "r": 55,
    "g": 130,
    "b": 204
  },
  "hsl": {
    "h": 209.799,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.59529,
    "c": 0.1353,
    "h": 250.9
  },
  "luminance": 0.21137
}

Semantic roles & 50–950 ramp

primary
#3782CC
secondary
#D0AF8E
accent
#9345E3
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #3782CC

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

Preview Lab → · Contrast checker → · Palette generator →

#3782CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva