#343BAB#343BAB

#343BAB is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.176 H 273.3°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#343BAB
RGB	rgb(52, 59, 171)
HSL	hsl(236, 53%, 44%)
HSV	hsv(236, 70%, 67%)
CMYK	cmyk(69.6%, 65.5%, 0%, 32.9%)
CIE-LAB	lab(31.34, 34.54, -60.76)
CIE-LCH	lch(31.34, 69.89, 299.62°)
OKLab	oklab(42.22% 0.0102 -0.1755)
OKLCH	oklch(42.22% 0.176 273.3)
XYZ	xyz(10.3284, 6.7973, 39.2879)
Luminance	0.0680 (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

#343BAB #ABA434

analogous

#3476AB #343BAB #6834AB

triadic

#343BAB #AB343B #3BAB34

tetradic

#343BAB #AB3476 #ABA434 #34AB68

square

#343BAB #AB3476 #ABA434 #34AB68

split-complementary

#343BAB #AB6834 #76AB34

monochromatic

#171B4D #262B7C #343BAB #5259CA #8186D9

Accessibility & contrast

On white

8.90

#343BAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#343BAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343BAB

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343BAB	#FFFFFF	#000000	##FFFFFF
##343BAB	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAF

Deuteranopia (green-blind)

#0044A9

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #343bab;
/* rgb */ color: rgb(52, 59, 171);
/* oklch */ color: oklch(42.2% 0.176 273.3);

Tailwind

colors: {
  custom: {
    50: '#7c71c5',
    500: '#343bab',
    950: '#000000',
  },
}

SCSS

$custom: #343bab;
$custom-light: #7c71c5;
$custom-dark: #000000;

JSON

{
  "hex": "#343bab",
  "rgb": {
    "r": 52,
    "g": 59,
    "b": 171
  },
  "hsl": {
    "h": 236.471,
    "s": 53.363,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42216,
    "c": 0.17576,
    "h": 273.3
  },
  "luminance": 0.06798
}

Semantic roles & 50–950 ramp

primary

#343BAB

secondary

#C2BE79

accent

#D44BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #343BAB

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

Preview Lab → · Contrast checker → · Palette generator →