#343AC3#343AC3

#343AC3 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.3% C 0.208 H 272.3°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX#343AC3
RGBrgb(52, 58, 195)
HSLhsl(237, 58%, 48%)
HSVhsv(237, 73%, 76%)
CMYKcmyk(73.3%, 70.3%, 0%, 23.5%)
CIE-LABlab(33.34, 43.46, -71.69)
CIE-LCHlch(33.34, 83.84, 301.22°)
OKLaboklab(44.34% 0.0082 -0.2074)
OKLCHoklch(44.34% 0.208 272.3)
XYZxyz(12.7762, 7.6950, 52.4311)
Luminance0.0770 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#343AC3 #C3BD34
analogous
#3481C3 #343AC3 #7634C3
triadic
#343AC3 #C3343A #3AC334
tetradic
#343AC3 #C33481 #C3BD34 #34C376
square
#343AC3 #C33481 #C3BD34 #34C376
split-complementary
#343AC3 #C37634 #81C334
monochromatic
#1A1D62 #272C93 #343AC3 #6065D5 #9093E1

Accessibility & contrast

On white

8.27
#343AC3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.54
#343AC3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343AC3
8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##343AC3#FFFFFF#000000##FFFFFF
##343AC31.008.272.548.27
#FFFFFF8.271.0021.001.00
#0000002.5421.001.0021.00
##FFFFFF8.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055C7
Deuteranopia (green-blind)
#0048C0
Tritanopia (blue-blind)
#00607A
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #343ac3;
/* rgb */ color: rgb(52, 58, 195);
/* oklch */ color: oklch(44.3% 0.208 272.3);
Tailwind
colors: {
  custom: {
    50: '#8171d6',
    500: '#343ac3',
    950: '#000000',
  },
}
SCSS
$custom: #343ac3;
$custom-light: #8171d6;
$custom-dark: #000000;
JSON
{
  "hex": "#343ac3",
  "rgb": {
    "r": 52,
    "g": 58,
    "b": 195
  },
  "hsl": {
    "h": 237.483,
    "s": 57.895,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44341,
    "c": 0.20758,
    "h": 272.3
  },
  "luminance": 0.07696
}

Semantic roles & 50–950 ramp

primary
#343AC3
secondary
#CCC987
accent
#DB47E1
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0814
muted
#7D7B83

Preview Lab

Preview with #343AC3

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

Preview Lab → · Contrast checker → · Palette generator →

#343AC3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva