#3643CF#3643CF

#3643CF is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.0% C 0.212 H 271.1°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX#3643CF
RGBrgb(54, 67, 207)
HSLhsl(235, 61%, 51%)
HSVhsv(235, 74%, 81%)
CMYKcmyk(73.9%, 67.6%, 0%, 18.8%)
CIE-LABlab(36.56, 42.37, -73.38)
CIE-LCHlch(36.56, 84.73, 300.00°)
OKLaboklab(47.04% 0.0041 -0.2123)
OKLCHoklch(47.04% 0.212 271.1)
XYZxyz(14.7871, 9.3020, 60.0355)
Luminance0.0930 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3643CF #CFC236
analogous
#368FCF #3643CF #7536CF
triadic
#3643CF #CF3643 #43CF36
tetradic
#3643CF #CF368F #CFC236 #36CF75
square
#3643CF #CF368F #CFC236 #36CF75
split-complementary
#3643CF #CF7536 #8FCF36
monochromatic
#1B2270 #2731A1 #3643CF #6771DB #999FE7

Accessibility & contrast

On white

7.34
#3643CF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.86
#3643CF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3643CF
7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3643CF#FFFFFF#000000##FFFFFF
##3643CF1.007.342.867.34
#FFFFFF7.341.0021.001.00
#0000002.8621.001.0021.00
##FFFFFF7.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005DD3
Deuteranopia (green-blind)
#004FCC
Tritanopia (blue-blind)
#006983
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #3643cf;
/* rgb */ color: rgb(54, 67, 207);
/* oklch */ color: oklch(47.0% 0.212 271.1);
Tailwind
colors: {
  custom: {
    50: '#8477df',
    500: '#3643cf',
    950: '#000000',
  },
}
SCSS
$custom: #3643cf;
$custom-light: #8477df;
$custom-dark: #000000;
JSON
{
  "hex": "#3643cf",
  "rgb": {
    "r": 54,
    "g": 67,
    "b": 207
  },
  "hsl": {
    "h": 234.902,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.47038,
    "c": 0.21233,
    "h": 271.1
  },
  "luminance": 0.09304
}

Semantic roles & 50–950 ramp

primary
#3643CF
secondary
#D2CC8F
accent
#D743E5
background
#F8F7FD
surface
#F0EDFB
border
#CBC8D4
text
#0D0915
muted
#7D7B83

Preview Lab

Preview with #3643CF

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

Preview Lab → · Contrast checker → · Palette generator →

#3643CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva