#3949C3#3949C3

#3949C3 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.1% C 0.189 H 271.3°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX#3949C3
RGBrgb(57, 73, 195)
HSLhsl(233, 55%, 49%)
HSVhsv(233, 71%, 76%)
CMYKcmyk(70.8%, 62.6%, 0%, 23.5%)
CIE-LABlab(37.07, 34.80, -65.57)
CIE-LCHlch(37.07, 74.23, 297.96°)
OKLaboklab(47.13% 0.0042 -0.1893)
OKLCHoklch(47.13% 0.189 271.3)
XYZxyz(13.9169, 9.5737, 52.7337)
Luminance0.0958 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3949C3 #C3B339
analogous
#398EC3 #3949C3 #6E39C3
triadic
#3949C3 #C33949 #49C339
tetradic
#3949C3 #C3398E #C3B339 #39C36E
square
#3949C3 #C3398E #C3B339 #39C36E
split-complementary
#3949C3 #C36E39 #8EC339
monochromatic
#1D2664 #2B3794 #3949C3 #6773D2 #969FE0

Accessibility & contrast

On white

7.20
#3949C3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.91
#3949C3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3949C3
7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3949C3#FFFFFF#000000##FFFFFF
##3949C31.007.202.917.20
#FFFFFF7.201.0021.001.00
#0000002.9121.001.0021.00
##FFFFFF7.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005EC7
Deuteranopia (green-blind)
#0051C1
Tritanopia (blue-blind)
#00687F
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #3949c3;
/* rgb */ color: rgb(57, 73, 195);
/* oklch */ color: oklch(47.1% 0.189 271.3);
Tailwind
colors: {
  custom: {
    50: '#827bd6',
    500: '#3949c3',
    950: '#000000',
  },
}
SCSS
$custom: #3949c3;
$custom-light: #827bd6;
$custom-dark: #000000;
JSON
{
  "hex": "#3949c3",
  "rgb": {
    "r": 57,
    "g": 73,
    "b": 195
  },
  "hsl": {
    "h": 233.043,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.47129,
    "c": 0.18938,
    "h": 271.3
  },
  "luminance": 0.09575
}

Semantic roles & 50–950 ramp

primary
#3949C3
secondary
#CCC48C
accent
#CD4ADE
background
#F8F7FD
surface
#F0EEFA
border
#CBC9D3
text
#0C0914
muted
#7D7B83

Preview Lab

Preview with #3949C3

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

Preview Lab → · Contrast checker → · Palette generator →

#3949C3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva