#3645CF#3645CF

#3645CF is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.4% C 0.210 H 270.8°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX#3645CF
RGBrgb(54, 69, 207)
HSLhsl(234, 61%, 51%)
HSVhsv(234, 74%, 81%)
CMYKcmyk(73.9%, 66.7%, 0%, 18.8%)
CIE-LABlab(37.01, 41.15, -72.64)
CIE-LCHlch(37.01, 83.49, 299.53°)
OKLaboklab(47.37% 0.003 -0.2101)
OKLCHoklch(47.37% 0.21 270.8)
XYZxyz(14.9081, 9.5439, 60.0759)
Luminance0.0955 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3645CF #CFC036
analogous
#3691CF #3645CF #7336CF
triadic
#3645CF #CF3645 #45CF36
tetradic
#3645CF #CF3691 #CFC036 #36CF73
square
#3645CF #CF3691 #CFC036 #36CF73
split-complementary
#3645CF #CF7336 #91CF36
monochromatic
#1B2370 #2733A1 #3645CF #6773DB #99A0E7

Accessibility & contrast

On white

7.22
#3645CF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.91
#3645CF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3645CF
7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3645CF#FFFFFF#000000##FFFFFF
##3645CF1.007.222.917.22
#FFFFFF7.221.0021.001.00
#0000002.9121.001.0021.00
##FFFFFF7.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005ED3
Deuteranopia (green-blind)
#0050CC
Tritanopia (blue-blind)
#006A84
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #3645cf;
/* rgb */ color: rgb(54, 69, 207);
/* oklch */ color: oklch(47.4% 0.210 270.8);
Tailwind
colors: {
  custom: {
    50: '#8479df',
    500: '#3645cf',
    950: '#000000',
  },
}
SCSS
$custom: #3645cf;
$custom-light: #8479df;
$custom-dark: #000000;
JSON
{
  "hex": "#3645cf",
  "rgb": {
    "r": 54,
    "g": 69,
    "b": 207
  },
  "hsl": {
    "h": 234.118,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.47366,
    "c": 0.21014,
    "h": 270.8
  },
  "luminance": 0.09546
}

Semantic roles & 50–950 ramp

primary
#3645CF
secondary
#D2CC8F
accent
#D543E5
background
#F8F7FD
surface
#F0EDFB
border
#CBC8D4
text
#0D0915
muted
#7D7B83

Preview Lab

Preview with #3645CF

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

Preview Lab → · Contrast checker → · Palette generator →

#3645CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva