#3745CA#3745CA

#3745CA is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.0% C 0.204 H 271.2°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX#3745CA
RGBrgb(55, 69, 202)
HSLhsl(234, 58%, 50%)
HSVhsv(234, 73%, 79%)
CMYKcmyk(72.8%, 65.8%, 0%, 20.8%)
CIE-LABlab(36.61, 39.52, -70.39)
CIE-LCHlch(36.61, 80.72, 299.31°)
OKLaboklab(46.96% 0.0044 -0.2035)
OKLCHoklch(46.96% 0.204 271.2)
XYZxyz(14.3607, 9.3313, 56.9099)
Luminance0.0933 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3745CA #CABC37
analogous
#378ECA #3745CA #7337CA
triadic
#3745CA #CA3745 #45CA37
tetradic
#3745CA #CA378E #CABC37 #37CA73
square
#3745CA #CA378E #CABC37 #37CA73
split-complementary
#3745CA #CA7337 #8ECA37
monochromatic
#1C246A #29349B #3745CA #6772D7 #989FE4

Accessibility & contrast

On white

7.33
#3745CA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.87
#3745CA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3745CA
7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3745CA#FFFFFF#000000##FFFFFF
##3745CA1.007.332.877.33
#FFFFFF7.331.0021.001.00
#0000002.8721.001.0021.00
##FFFFFF7.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005DCE
Deuteranopia (green-blind)
#004FC7
Tritanopia (blue-blind)
#006881
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #3745ca;
/* rgb */ color: rgb(55, 69, 202);
/* oklch */ color: oklch(47.0% 0.204 271.2);
Tailwind
colors: {
  custom: {
    50: '#8379db',
    500: '#3745ca',
    950: '#000000',
  },
}
SCSS
$custom: #3745ca;
$custom-light: #8379db;
$custom-dark: #000000;
JSON
{
  "hex": "#3745ca",
  "rgb": {
    "r": 55,
    "g": 69,
    "b": 202
  },
  "hsl": {
    "h": 234.286,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.46955,
    "c": 0.20357,
    "h": 271.2
  },
  "luminance": 0.09333
}

Semantic roles & 50–950 ramp

primary
#3745CA
secondary
#CFC98E
accent
#D346E1
background
#F8F7FD
surface
#F0EDFB
border
#CBC8D4
text
#0C0915
muted
#7D7B83

Preview Lab

Preview with #3745CA

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

Preview Lab → · Contrast checker → · Palette generator →

#3745CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva