#343DC2#343DC2

#343DC2 is a dark, highly saturated blue. Relative luminance 0.080; OKLCH L 44.7% C 0.203 H 271.9°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#343DC2
RGB	rgb(52, 61, 194)
HSL	hsl(236, 58%, 48%)
HSV	hsv(236, 73%, 76%)
CMYK	cmyk(73.2%, 68.6%, 0%, 23.9%)
CIE-LAB	lab(33.90, 41.32, -70.18)
CIE-LCH	lch(33.90, 81.44, 300.49°)
OKLab	oklab(44.72% 0.0067 -0.203)
OKLCH	oklch(44.72% 0.203 271.9)
XYZ	xyz(12.8192, 7.9613, 51.8896)
Luminance	0.0796 (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

#343DC2 #C2B934

analogous

#3484C2 #343DC2 #7234C2

triadic

#343DC2 #C2343D #3DC234

tetradic

#343DC2 #C23484 #C2B934 #34C272

square

#343DC2 #C23484 #C2B934 #34C272

split-complementary

#343DC2 #C27234 #84C234

monochromatic

#1A1F61 #272E92 #343DC2 #5F66D4 #8F95E1

Accessibility & contrast

On white

8.10

#343DC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#343DC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343DC2

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343DC2	#FFFFFF	#000000	##FFFFFF
##343DC2	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C6

Deuteranopia (green-blind)

#0049C0

Tritanopia (blue-blind)

#00617B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #343dc2;
/* rgb */ color: rgb(52, 61, 194);
/* oklch */ color: oklch(44.7% 0.203 271.9);

Tailwind

colors: {
  custom: {
    50: '#8173d6',
    500: '#343dc2',
    950: '#000000',
  },
}

SCSS

$custom: #343dc2;
$custom-light: #8173d6;
$custom-dark: #000000;

JSON

{
  "hex": "#343dc2",
  "rgb": {
    "r": 52,
    "g": 61,
    "b": 194
  },
  "hsl": {
    "h": 236.197,
    "s": 57.724,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44718,
    "c": 0.20311,
    "h": 271.9
  },
  "luminance": 0.07963
}

Semantic roles & 50–950 ramp

primary

#343DC2

secondary

#CCC786

accent

#D747E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #343DC2

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

Preview Lab → · Contrast checker → · Palette generator →