#343FBE#343FBE

#343FBE is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.7% C 0.196 H 271.7°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX#343FBE
RGBrgb(52, 63, 190)
HSLhsl(235, 57%, 47%)
HSVhsv(235, 73%, 75%)
CMYKcmyk(72.6%, 66.8%, 0%, 25.5%)
CIE-LABlab(33.99, 38.71, -67.70)
CIE-LCHlch(33.99, 77.98, 299.76°)
OKLaboklab(44.67% 0.0059 -0.1957)
OKLCHoklch(44.67% 0.196 271.7)
XYZxyz(12.4848, 8.0015, 49.5917)
Luminance0.0800 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#343FBE #BEB334
analogous
#3484BE #343FBE #6E34BE
triadic
#343FBE #BE343F #3FBE34
tetradic
#343FBE #BE3484 #BEB334 #34BE6E
square
#343FBE #BE3484 #BEB334 #34BE6E
split-complementary
#343FBE #BE6E34 #84BE34
monochromatic
#1A1F5E #272F8E #343FBE #5D66D3 #8D93E0

Accessibility & contrast

On white

8.08
#343FBE on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.60
#343FBE on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343FBE
8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##343FBE#FFFFFF#000000##FFFFFF
##343FBE1.008.082.608.08
#FFFFFF8.081.0021.001.00
#0000002.6021.001.0021.00
##FFFFFF8.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0056C2
Deuteranopia (green-blind)
#0049BC
Tritanopia (blue-blind)
#006179
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #343fbe;
/* rgb */ color: rgb(52, 63, 190);
/* oklch */ color: oklch(44.7% 0.196 271.7);
Tailwind
colors: {
  custom: {
    50: '#7f74d3',
    500: '#343fbe',
    950: '#000000',
  },
}
SCSS
$custom: #343fbe;
$custom-light: #7f74d3;
$custom-dark: #000000;
JSON
{
  "hex": "#343fbe",
  "rgb": {
    "r": 52,
    "g": 63,
    "b": 190
  },
  "hsl": {
    "h": 235.217,
    "s": 57.025,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44667,
    "c": 0.19582,
    "h": 271.7
  },
  "luminance": 0.08003
}

Semantic roles & 50–950 ramp

primary
#343FBE
secondary
#CAC484
accent
#D448E0
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0814
muted
#7D7B83

Preview Lab

Preview with #343FBE

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

Preview Lab → · Contrast checker → · Palette generator →

#343FBE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva