#3746AA#3746AA

#3746AA is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.3% C 0.160 H 271.7°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX#3746AA
RGBrgb(55, 70, 170)
HSLhsl(232, 51%, 44%)
HSVhsv(232, 68%, 67%)
CMYKcmyk(67.6%, 58.8%, 0%, 33.3%)
CIE-LABlab(34.18, 27.52, -55.53)
CIE-LCHlch(34.18, 61.97, 296.36°)
OKLaboklab(44.33% 0.0049 -0.1599)
OKLCHoklch(44.33% 0.16 271.7)
XYZxyz(11.0190, 8.0938, 39.0040)
Luminance0.0809 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3746AA #AA9B37
analogous
#3780AA #3746AA #6237AA
triadic
#3746AA #AA3746 #46AA37
tetradic
#3746AA #AA3780 #AA9B37 #37AA62
square
#3746AA #AA3780 #AA9B37 #37AA62
split-complementary
#3746AA #AA6237 #80AA37
monochromatic
#19204E #28337C #3746AA #5665C8 #848FD7

Accessibility & contrast

On white

8.02
#3746AA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#3746AA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3746AA
8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3746AA#FFFFFF#000000##FFFFFF
##3746AA1.008.022.628.02
#FFFFFF8.021.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0056AD
Deuteranopia (green-blind)
#004BA8
Tritanopia (blue-blind)
#005F71
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #3746aa;
/* rgb */ color: rgb(55, 70, 170);
/* oklch */ color: oklch(44.3% 0.160 271.7);
Tailwind
colors: {
  custom: {
    50: '#7c79c4',
    500: '#3746aa',
    950: '#000000',
  },
}
SCSS
$custom: #3746aa;
$custom-light: #7c79c4;
$custom-dark: #000000;
JSON
{
  "hex": "#3746aa",
  "rgb": {
    "r": 55,
    "g": 70,
    "b": 170
  },
  "hsl": {
    "h": 232.174,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.4433,
    "c": 0.15999,
    "h": 271.7
  },
  "luminance": 0.08095
}

Semantic roles & 50–950 ramp

primary
#3746AA
secondary
#C1B87C
accent
#C84DDB
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0913
muted
#7C7B82

Preview Lab

Preview with #3746AA

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

Preview Lab → · Contrast checker → · Palette generator →

#3746AA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva