#3743C4#3743C4

#3743C4 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.1% C 0.198 H 271.8°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX#3743C4
RGBrgb(55, 67, 196)
HSLhsl(235, 56%, 49%)
HSVhsv(235, 72%, 77%)
CMYKcmyk(71.9%, 65.8%, 0%, 23.1%)
CIE-LABlab(35.62, 38.67, -68.53)
CIE-LCHlch(35.62, 78.69, 299.43°)
OKLaboklab(46.06% 0.0061 -0.1981)
OKLCHoklch(46.06% 0.198 271.8)
XYZxyz(13.5431, 8.8107, 53.2007)
Luminance0.0881 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3743C4 #C4B837
analogous
#3789C4 #3743C4 #7237C4
triadic
#3743C4 #C43743 #43C437
tetradic
#3743C4 #C43789 #C4B837 #37C472
square
#3743C4 #C43789 #C4B837 #37C472
split-complementary
#3743C4 #C47237 #89C437
monochromatic
#1C2264 #2A3394 #3743C4 #656ED4 #949BE1

Accessibility & contrast

On white

7.60
#3743C4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.76
#3743C4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3743C4
7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3743C4#FFFFFF#000000##FFFFFF
##3743C41.007.602.767.60
#FFFFFF7.601.0021.001.00
#0000002.7621.001.0021.00
##FFFFFF7.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005AC8
Deuteranopia (green-blind)
#004DC2
Tritanopia (blue-blind)
#00657D
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #3743c4;
/* rgb */ color: rgb(55, 67, 196);
/* oklch */ color: oklch(46.1% 0.198 271.8);
Tailwind
colors: {
  custom: {
    50: '#8277d7',
    500: '#3743c4',
    950: '#000000',
  },
}
SCSS
$custom: #3743c4;
$custom-light: #8277d7;
$custom-dark: #000000;
JSON
{
  "hex": "#3743c4",
  "rgb": {
    "r": 55,
    "g": 67,
    "b": 196
  },
  "hsl": {
    "h": 234.894,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.46064,
    "c": 0.19818,
    "h": 271.8
  },
  "luminance": 0.08812
}

Semantic roles & 50–950 ramp

primary
#3743C4
secondary
#CCC78B
accent
#D348DF
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0915
muted
#7D7B83

Preview Lab

Preview with #3743C4

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

Preview Lab → · Contrast checker → · Palette generator →

#3743C4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva