#343EBA#343EBA

#343EBA is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.1% C 0.192 H 272.1°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#343EBA
RGB	rgb(52, 62, 186)
HSL	hsl(236, 56%, 47%)
HSV	hsv(236, 72%, 73%)
CMYK	cmyk(72%, 66.7%, 0%, 27.1%)
CIE-LAB	lab(33.39, 37.93, -66.32)
CIE-LCH	lch(33.39, 76.40, 299.77°)
OKLab	oklab(44.12% 0.0069 -0.1917)
OKLCH	oklch(44.12% 0.192 272.1)
XYZ	xyz(11.9987, 7.7193, 47.3025)
Luminance	0.0772 (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

#343EBA #BAB034

analogous

#3481BA #343EBA #6D34BA

triadic

#343EBA #BA343E #3EBA34

tetradic

#343EBA #BA3481 #BAB034 #34BA6D

square

#343EBA #BA3481 #BAB034 #34BA6D

split-complementary

#343EBA #BA6D34 #81BA34

monochromatic

#191E5A #272E8A #343EBA #5A63D1 #8A90DE

Accessibility & contrast

On white

8.25

#343EBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#343EBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343EBA

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343EBA	#FFFFFF	#000000	##FFFFFF
##343EBA	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BE

Deuteranopia (green-blind)

#0048B8

Tritanopia (blue-blind)

#005F76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #343eba;
/* rgb */ color: rgb(52, 62, 186);
/* oklch */ color: oklch(44.1% 0.192 272.1);

Tailwind

colors: {
  custom: {
    50: '#7f73d0',
    500: '#343eba',
    950: '#000000',
  },
}

SCSS

$custom: #343eba;
$custom-light: #7f73d0;
$custom-dark: #000000;

JSON

{
  "hex": "#343eba",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 186
  },
  "hsl": {
    "h": 235.522,
    "s": 56.303,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44123,
    "c": 0.19182,
    "h": 272.1
  },
  "luminance": 0.0772
}

Semantic roles & 50–950 ramp

primary

#343EBA

secondary

#C8C381

accent

#D448E0

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #343EBA

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

Preview Lab → · Contrast checker → · Palette generator →