#3734BA#3734BA

#3734BA is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.7% C 0.202 H 274.7°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX#3734BA
RGBrgb(55, 52, 186)
HSLhsl(241, 56%, 47%)
HSVhsv(241, 72%, 73%)
CMYKcmyk(70.4%, 72%, 0%, 27.1%)
CIE-LABlab(31.38, 44.26, -69.62)
CIE-LCHlch(31.38, 82.50, 302.44°)
OKLaboklab(42.72% 0.0164 -0.2013)
OKLCHoklch(42.72% 0.202 274.7)
XYZxyz(11.6635, 6.8123, 47.1451)
Luminance0.0681 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3734BA #B7BA34
analogous
#3474BA #3734BA #7A34BA
triadic
#3734BA #BA3734 #34BA37
tetradic
#3734BA #BA3474 #B7BA34 #34BA7A
square
#3734BA #BA3474 #B7BA34 #34BA7A
split-complementary
#3734BA #BA7A34 #74BA34
monochromatic
#1B195A #29278A #3734BA #5D5AD1 #8C8ADE

Accessibility & contrast

On white

8.89
#3734BA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.36
#3734BA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3734BA
8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3734BA#FFFFFF#000000##FFFFFF
##3734BA1.008.892.368.89
#FFFFFF8.891.0021.001.00
#0000002.3621.001.0021.00
##FFFFFF8.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0050BE
Deuteranopia (green-blind)
#0044B8
Tritanopia (blue-blind)
#005A74
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #3734ba;
/* rgb */ color: rgb(55, 52, 186);
/* oklch */ color: oklch(42.7% 0.202 274.7);
Tailwind
colors: {
  custom: {
    50: '#816dd0',
    500: '#3734ba',
    950: '#000000',
  },
}
SCSS
$custom: #3734ba;
$custom-light: #816dd0;
$custom-dark: #000000;
JSON
{
  "hex": "#3734ba",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 186
  },
  "hsl": {
    "h": 241.343,
    "s": 56.303,
    "l": 46.667
  },
  "oklch": {
    "l": 0.42718,
    "c": 0.20196,
    "h": 274.7
  },
  "luminance": 0.06813
}

Semantic roles & 50–950 ramp

primary
#3734BA
secondary
#C7C881
accent
#E048DC
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0714
muted
#7D7A82

Preview Lab

Preview with #3734BA

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

Preview Lab → · Contrast checker → · Palette generator →

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