#343DC1#343DC1

#343DC1 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.6% C 0.202 H 271.9°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#343DC1
RGB	rgb(52, 61, 193)
HSL	hsl(236, 58%, 48%)
HSV	hsv(236, 73%, 76%)
CMYK	cmyk(73.1%, 68.4%, 0%, 24.3%)
CIE-LAB	lab(33.81, 40.98, -69.75)
CIE-LCH	lch(33.81, 80.90, 300.43°)
OKLab	oklab(44.62% 0.0068 -0.2017)
OKLCH	oklch(44.62% 0.202 271.9)
XYZ	xyz(12.7073, 7.9165, 51.3001)
Luminance	0.0792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343DC1 #C1B834

analogous

#3483C1 #343DC1 #7134C1

triadic

#343DC1 #C1343D #3DC134

tetradic

#343DC1 #C13483 #C1B834 #34C171

square

#343DC1 #C13483 #C1B834 #34C171

split-complementary

#343DC1 #C17134 #83C134

monochromatic

#1A1F61 #272E91 #343DC1 #5E66D4 #8F94E1

Accessibility & contrast

On white

8.13

#343DC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#343DC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343DC1

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343DC1	#FFFFFF	#000000	##FFFFFF
##343DC1	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C5

Deuteranopia (green-blind)

#0049BF

Tritanopia (blue-blind)

#00617A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #343dc1;
/* rgb */ color: rgb(52, 61, 193);
/* oklch */ color: oklch(44.6% 0.202 271.9);

Tailwind

colors: {
  custom: {
    50: '#8073d5',
    500: '#343dc1',
    950: '#000000',
  },
}

SCSS

$custom: #343dc1;
$custom-light: #8073d5;
$custom-dark: #000000;

JSON

{
  "hex": "#343dc1",
  "rgb": {
    "r": 52,
    "g": 61,
    "b": 193
  },
  "hsl": {
    "h": 236.17,
    "s": 57.551,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44622,
    "c": 0.20185,
    "h": 271.9
  },
  "luminance": 0.07918
}

Semantic roles & 50–950 ramp

primary

#343DC1

secondary

#CBC786

accent

#D747E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #343DC1

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

Preview Lab → · Contrast checker → · Palette generator →