#343EAC#343EAC

#343EAC is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.8% C 0.173 H 272.6°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#343EAC
RGB	rgb(52, 62, 172)
HSL	hsl(235, 54%, 44%)
HSV	hsv(235, 70%, 67%)
CMYK	cmyk(69.8%, 64%, 0%, 32.5%)
CIE-LAB	lab(32.15, 32.99, -60.03)
CIE-LCH	lch(32.15, 68.50, 298.79°)
OKLab	oklab(42.84% 0.0079 -0.1733)
OKLCH	oklch(42.84% 0.173 272.6)
XYZ	xyz(10.5827, 7.1529, 39.8447)
Luminance	0.0715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.94

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343EAC #ACA234

analogous

#347AAC #343EAC #6634AC

triadic

#343EAC #AC343E #3EAC34

tetradic

#343EAC #AC347A #ACA234 #34AC66

square

#343EAC #AC347A #ACA234 #34AC66

split-complementary

#343EAC #AC6634 #7AAC34

monochromatic

#181C4E #262D7D #343EAC #525CCB #8189D9

Accessibility & contrast

On white

8.64

#343EAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#343EAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343EAC

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343EAC	#FFFFFF	#000000	##FFFFFF
##343EAC	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B0

Deuteranopia (green-blind)

#0046AA

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #343eac;
/* rgb */ color: rgb(52, 62, 172);
/* oklch */ color: oklch(42.8% 0.173 272.6);

Tailwind

colors: {
  custom: {
    50: '#7c73c6',
    500: '#343eac',
    950: '#000000',
  },
}

SCSS

$custom: #343eac;
$custom-light: #7c73c6;
$custom-dark: #000000;

JSON

{
  "hex": "#343eac",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 172
  },
  "hsl": {
    "h": 235,
    "s": 53.571,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42837,
    "c": 0.17348,
    "h": 272.6
  },
  "luminance": 0.07154
}

Semantic roles & 50–950 ramp

primary

#343EAC

secondary

#C2BC79

accent

#D14BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #343EAC

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

Preview Lab → · Contrast checker → · Palette generator →