#343BAD#343BAD

#343BAD is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.4% C 0.178 H 273.2°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#343BAD
RGB	rgb(52, 59, 173)
HSL	hsl(237, 54%, 44%)
HSV	hsv(237, 70%, 68%)
CMYK	cmyk(69.9%, 65.9%, 0%, 32.2%)
CIE-LAB	lab(31.52, 35.25, -61.67)
CIE-LCH	lch(31.52, 71.03, 299.75°)
OKLab	oklab(42.4% 0.01 -0.1781)
OKLCH	oklch(42.4% 0.178 273.2)
XYZ	xyz(10.5204, 6.8741, 40.2995)
Luminance	0.0688 (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

#343BAD #ADA634

analogous

#3478AD #343BAD #6A34AD

triadic

#343BAD #AD343B #3BAD34

tetradic

#343BAD #AD3478 #ADA634 #34AD6A

square

#343BAD #AD3478 #ADA634 #34AD6A

split-complementary

#343BAD #AD6A34 #78AD34

monochromatic

#181B4F #262B7E #343BAD #535ACB #8287D9

Accessibility & contrast

On white

8.84

#343BAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#343BAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343BAD

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343BAD	#FFFFFF	#000000	##FFFFFF
##343BAD	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B1

Deuteranopia (green-blind)

#0045AB

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #343bad;
/* rgb */ color: rgb(52, 59, 173);
/* oklch */ color: oklch(42.4% 0.178 273.2);

Tailwind

colors: {
  custom: {
    50: '#7c71c6',
    500: '#343bad',
    950: '#000000',
  },
}

SCSS

$custom: #343bad;
$custom-light: #7c71c6;
$custom-dark: #000000;

JSON

{
  "hex": "#343bad",
  "rgb": {
    "r": 52,
    "g": 59,
    "b": 173
  },
  "hsl": {
    "h": 236.529,
    "s": 53.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.424,
    "c": 0.17839,
    "h": 273.2
  },
  "luminance": 0.06875
}

Semantic roles & 50–950 ramp

primary

#343BAD

secondary

#C3BF7A

accent

#D54BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #343BAD

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

Preview Lab → · Contrast checker → · Palette generator →