#343B73#343B73

#343B73 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.6% C 0.095 H 275.5°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX#343B73
RGBrgb(52, 59, 115)
HSLhsl(233, 38%, 33%)
HSVhsv(233, 55%, 45%)
CMYKcmyk(54.8%, 48.7%, 0%, 54.9%)
CIE-LABlab(27.00, 14.53, -33.29)
CIE-LCHlch(27.00, 36.33, 293.58°)
OKLaboklab(37.63% 0.0091 -0.0947)
OKLCHoklch(37.63% 0.095 275.5)
XYZxyz(6.0737, 5.0954, 16.8798)
Luminance0.0510 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#343B73 #736C34
analogous
#345B73 #343B73 #4C3473
triadic
#343B73 #73343B #3B7334
tetradic
#343B73 #73345B #736C34 #34734C
square
#343B73 #73345B #736C34 #34734C
split-complementary
#343B73 #734C34 #5B7334
monochromatic
#0E101F #212549 #343B73 #47519D #6770BA

Accessibility & contrast

On white

10.40
#343B73 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.02
#343B73 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343B73
10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##343B73#FFFFFF#000000##FFFFFF
##343B731.0010.402.0210.40
#FFFFFF10.401.0021.001.00
#0000002.0221.001.0021.00
##FFFFFF10.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#224375
Deuteranopia (green-blind)
#1B3D72
Tritanopia (blue-blind)
#184751
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #343b73;
/* rgb */ color: rgb(52, 59, 115);
/* oklch */ color: oklch(37.6% 0.095 275.5);
Tailwind
colors: {
  custom: {
    50: '#70709c',
    500: '#343b73',
    950: '#000000',
  },
}
SCSS
$custom: #343b73;
$custom-light: #70709c;
$custom-dark: #000000;
JSON
{
  "hex": "#343b73",
  "rgb": {
    "r": 52,
    "g": 59,
    "b": 115
  },
  "hsl": {
    "h": 233.333,
    "s": 37.725,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37626,
    "c": 0.09518,
    "h": 275.5
  },
  "luminance": 0.05096
}

Semantic roles & 50–950 ramp

primary
#343B73
secondary
#A39B60
accent
#C15ACE
background
#F7F6F9
surface
#EDECF2
border
#C8C7CC
text
#08070E
muted
#7B7A7E

Preview Lab

Preview with #343B73

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

Preview Lab → · Contrast checker → · Palette generator →

#343B73 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva