#343CC2#343CC2

#343CC2 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.6% C 0.204 H 272.0°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#343CC2
RGB	rgb(52, 60, 194)
HSL	hsl(237, 58%, 48%)
HSV	hsv(237, 73%, 76%)
CMYK	cmyk(73.2%, 69.1%, 0%, 23.9%)
CIE-LAB	lab(33.68, 41.92, -70.55)
CIE-LCH	lch(33.68, 82.06, 300.72°)
OKLab	oklab(44.56% 0.0073 -0.2041)
OKLCH	oklch(44.56% 0.204 272)
XYZ	xyz(12.7664, 7.8555, 51.8719)
Luminance	0.0786 (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

#343CC2 #C2BA34

analogous

#3483C2 #343CC2 #7334C2

triadic

#343CC2 #C2343C #3CC234

tetradic

#343CC2 #C23483 #C2BA34 #34C273

square

#343CC2 #C23483 #C2BA34 #34C273

split-complementary

#343CC2 #C27334 #83C234

monochromatic

#1A1E61 #272D92 #343CC2 #5F66D4 #8F94E1

Accessibility & contrast

On white

8.17

#343CC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#343CC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343CC2

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343CC2	#FFFFFF	#000000	##FFFFFF
##343CC2	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C6

Deuteranopia (green-blind)

#0048C0

Tritanopia (blue-blind)

#00617A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #343cc2;
/* rgb */ color: rgb(52, 60, 194);
/* oklch */ color: oklch(44.6% 0.204 272.0);

Tailwind

colors: {
  custom: {
    50: '#8172d6',
    500: '#343cc2',
    950: '#000000',
  },
}

SCSS

$custom: #343cc2;
$custom-light: #8172d6;
$custom-dark: #000000;

JSON

{
  "hex": "#343cc2",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 194
  },
  "hsl": {
    "h": 236.62,
    "s": 57.724,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44558,
    "c": 0.2042,
    "h": 272
  },
  "luminance": 0.07857
}

Semantic roles & 50–950 ramp

primary

#343CC2

secondary

#CCC886

accent

#D847E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #343CC2

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

Preview Lab → · Contrast checker → · Palette generator →