#3734C5#3734C5

#3734C5 is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.8% C 0.215 H 273.9°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX#3734C5
RGBrgb(55, 52, 197)
HSLhsl(241, 58%, 49%)
HSVhsv(241, 74%, 77%)
CMYKcmyk(72.1%, 73.6%, 0%, 22.7%)
CIE-LABlab(32.48, 47.86, -74.28)
CIE-LCHlch(32.48, 88.36, 302.79°)
OKLaboklab(43.83% 0.0145 -0.2149)
OKLCHoklch(43.83% 0.215 273.9)
XYZxyz(12.8782, 7.2981, 53.5425)
Luminance0.0730 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3734C5 #C2C534
analogous
#347AC5 #3734C5 #8034C5
triadic
#3734C5 #C53734 #34C537
tetradic
#3734C5 #C5347A #C2C534 #34C580
square
#3734C5 #C5347A #C2C534 #34C580
split-complementary
#3734C5 #C58034 #7AC534
monochromatic
#1C1A64 #292795 #3734C5 #6361D5 #9391E2

Accessibility & contrast

On white

8.54
#3734C5 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.46
#3734C5 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3734C5
8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3734C5#FFFFFF#000000##FFFFFF
##3734C51.008.542.468.54
#FFFFFF8.541.0021.001.00
#0000002.4621.001.0021.00
##FFFFFF8.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053C9
Deuteranopia (green-blind)
#0045C2
Tritanopia (blue-blind)
#005E7A
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #3734c5;
/* rgb */ color: rgb(55, 52, 197);
/* oklch */ color: oklch(43.8% 0.215 273.9);
Tailwind
colors: {
  custom: {
    50: '#836dd8',
    500: '#3734c5',
    950: '#000000',
  },
}
SCSS
$custom: #3734c5;
$custom-light: #836dd8;
$custom-dark: #000000;
JSON
{
  "hex": "#3734c5",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 197
  },
  "hsl": {
    "h": 241.241,
    "s": 58.233,
    "l": 48.824
  },
  "oklch": {
    "l": 0.43832,
    "c": 0.21536,
    "h": 273.9
  },
  "luminance": 0.07299
}

Semantic roles & 50–950 ramp

primary
#3734C5
secondary
#CBCD88
accent
#E146DE
background
#F8F6FD
surface
#F0ECFB
border
#CBC7D4
text
#0C0715
muted
#7D7A83

Preview Lab

Preview with #3734C5

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

Preview Lab → · Contrast checker → · Palette generator →

#3734C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva