#343EC0#343EC0

#343EC0 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.7% C 0.199 H 271.8°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#343EC0
RGB	rgb(52, 62, 192)
HSL	hsl(236, 57%, 48%)
HSV	hsv(236, 73%, 75%)
CMYK	cmyk(72.9%, 67.7%, 0%, 24.7%)
CIE-LAB	lab(33.94, 40.02, -68.95)
CIE-LCH	lch(33.94, 79.72, 300.13°)
OKLab	oklab(44.69% 0.0063 -0.1994)
OKLCH	oklch(44.69% 0.199 271.8)
XYZ	xyz(12.6500, 7.9798, 50.7325)
Luminance	0.0798 (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

#343EC0 #C0B634

analogous

#3484C0 #343EC0 #7034C0

triadic

#343EC0 #C0343E #3EC034

tetradic

#343EC0 #C03484 #C0B634 #34C070

square

#343EC0 #C03484 #C0B634 #34C070

split-complementary

#343EC0 #C07034 #84C034

monochromatic

#1A1F60 #272E90 #343EC0 #5E66D3 #8E94E0

Accessibility & contrast

On white

8.09

#343EC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#343EC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343EC0

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343EC0	#FFFFFF	#000000	##FFFFFF
##343EC0	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C4

Deuteranopia (green-blind)

#0049BE

Tritanopia (blue-blind)

#00617A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #343ec0;
/* rgb */ color: rgb(52, 62, 192);
/* oklch */ color: oklch(44.7% 0.199 271.8);

Tailwind

colors: {
  custom: {
    50: '#8074d4',
    500: '#343ec0',
    950: '#000000',
  },
}

SCSS

$custom: #343ec0;
$custom-light: #8074d4;
$custom-dark: #000000;

JSON

{
  "hex": "#343ec0",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 192
  },
  "hsl": {
    "h": 235.714,
    "s": 57.377,
    "l": 47.843
  },
  "oklch": {
    "l": 0.4469,
    "c": 0.19949,
    "h": 271.8
  },
  "luminance": 0.07981
}

Semantic roles & 50–950 ramp

primary

#343EC0

secondary

#CBC685

accent

#D647E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #343EC0

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

Preview Lab → · Contrast checker → · Palette generator →