#3447B0#3447B0

#3447B0 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.9% C 0.168 H 270.3°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX#3447B0
RGBrgb(52, 71, 176)
HSLhsl(231, 54%, 45%)
HSVhsv(231, 70%, 69%)
CMYKcmyk(70.5%, 59.7%, 0%, 31%)
CIE-LABlab(34.74, 28.61, -58.19)
CIE-LCHlch(34.74, 64.84, 296.18°)
OKLaboklab(44.85% 0.0009 -0.1678)
OKLCHoklch(44.85% 0.168 270.3)
XYZxyz(11.5032, 8.3700, 42.0752)
Luminance0.0837 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3447B0 #B09D34
analogous
#3485B0 #3447B0 #5F34B0
triadic
#3447B0 #B03447 #47B034
tetradic
#3447B0 #B03485 #B09D34 #34B05F
square
#3447B0 #B03485 #B09D34 #34B05F
split-complementary
#3447B0 #B05F34 #85B034
monochromatic
#182152 #263481 #3447B0 #5567CD #8491DB

Accessibility & contrast

On white

7.85
#3447B0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#3447B0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3447B0
7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3447B0#FFFFFF#000000##FFFFFF
##3447B01.007.852.677.85
#FFFFFF7.851.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0058B3
Deuteranopia (green-blind)
#004CAE
Tritanopia (blue-blind)
#006174
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #3447b0;
/* rgb */ color: rgb(52, 71, 176);
/* oklch */ color: oklch(44.9% 0.168 270.3);
Tailwind
colors: {
  custom: {
    50: '#7c7ac8',
    500: '#3447b0',
    950: '#000000',
  },
}
SCSS
$custom: #3447b0;
$custom-light: #7c7ac8;
$custom-dark: #000000;
JSON
{
  "hex": "#3447b0",
  "rgb": {
    "r": 52,
    "g": 71,
    "b": 176
  },
  "hsl": {
    "h": 230.806,
    "s": 54.386,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44853,
    "c": 0.1678,
    "h": 270.3
  },
  "luminance": 0.08371
}

Semantic roles & 50–950 ramp

primary
#3447B0
secondary
#C4B97C
accent
#C74ADE
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0913
muted
#7C7B82

Preview Lab

Preview with #3447B0

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

Preview Lab → · Contrast checker → · Palette generator →

#3447B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva