#3734C7#3734C7

#3734C7 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 44.0% C 0.218 H 273.7°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX#3734C7
RGBrgb(55, 52, 199)
HSLhsl(241, 59%, 49%)
HSVhsv(241, 74%, 78%)
CMYKcmyk(72.4%, 73.9%, 0%, 22%)
CIE-LABlab(32.68, 48.51, -75.12)
CIE-LCHlch(32.68, 89.42, 302.85°)
OKLaboklab(44.04% 0.0141 -0.2173)
OKLCHoklch(44.04% 0.218 273.7)
XYZxyz(13.1089, 7.3904, 54.7574)
Luminance0.0739 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3734C7 #C4C734
analogous
#347BC7 #3734C7 #8034C7
triadic
#3734C7 #C73734 #34C737
tetradic
#3734C7 #C7347B #C4C734 #34C780
square
#3734C7 #C7347B #C4C734 #34C780
split-complementary
#3734C7 #C78034 #7BC734
monochromatic
#1C1B66 #2A2796 #3734C7 #6562D6 #9493E3

Accessibility & contrast

On white

8.47
#3734C7 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.48
#3734C7 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3734C7
8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3734C7#FFFFFF#000000##FFFFFF
##3734C71.008.472.488.47
#FFFFFF8.471.0021.001.00
#0000002.4821.001.0021.00
##FFFFFF8.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0054CB
Deuteranopia (green-blind)
#0046C4
Tritanopia (blue-blind)
#005F7B
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #3734c7;
/* rgb */ color: rgb(55, 52, 199);
/* oklch */ color: oklch(44.0% 0.218 273.7);
Tailwind
colors: {
  custom: {
    50: '#846dd9',
    500: '#3734c7',
    950: '#000000',
  },
}
SCSS
$custom: #3734c7;
$custom-light: #846dd9;
$custom-dark: #000000;
JSON
{
  "hex": "#3734c7",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 199
  },
  "hsl": {
    "h": 241.224,
    "s": 58.566,
    "l": 49.216
  },
  "oklch": {
    "l": 0.44037,
    "c": 0.21776,
    "h": 273.7
  },
  "luminance": 0.07392
}

Semantic roles & 50–950 ramp

primary
#3734C7
secondary
#CCCE89
accent
#E246DF
background
#F8F6FD
surface
#F0ECFB
border
#CBC7D4
text
#0D0715
muted
#7D7A83

Preview Lab

Preview with #3734C7

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

Preview Lab → · Contrast checker → · Palette generator →

#3734C7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva