#343ABA#343ABA

#343ABA is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.5% C 0.196 H 272.7°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#343ABA
RGB	rgb(52, 58, 186)
HSL	hsl(237, 56%, 47%)
HSV	hsv(237, 72%, 73%)
CMYK	cmyk(72%, 68.8%, 0%, 27.1%)
CIE-LAB	lab(32.48, 40.39, -67.81)
CIE-LCH	lch(32.48, 78.93, 300.78°)
OKLab	oklab(43.46% 0.0094 -0.1961)
OKLCH	oklch(43.46% 0.196 272.7)
XYZ	xyz(11.7892, 7.3002, 47.2326)
Luminance	0.0730 (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

#343ABA #BAB434

analogous

#347DBA #343ABA #7134BA

triadic

#343ABA #BA343A #3ABA34

tetradic

#343ABA #BA347D #BAB434 #34BA71

square

#343ABA #BA347D #BAB434 #34BA71

split-complementary

#343ABA #BA7134 #7DBA34

monochromatic

#191C5A #272B8A #343ABA #5A60D1 #8A8EDE

Accessibility & contrast

On white

8.54

#343ABA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#343ABA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343ABA

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343ABA	#FFFFFF	#000000	##FFFFFF
##343ABA	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BE

Deuteranopia (green-blind)

#0046B8

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #343aba;
/* rgb */ color: rgb(52, 58, 186);
/* oklch */ color: oklch(43.5% 0.196 272.7);

Tailwind

colors: {
  custom: {
    50: '#7f71d0',
    500: '#343aba',
    950: '#000000',
  },
}

SCSS

$custom: #343aba;
$custom-light: #7f71d0;
$custom-dark: #000000;

JSON

{
  "hex": "#343aba",
  "rgb": {
    "r": 52,
    "g": 58,
    "b": 186
  },
  "hsl": {
    "h": 237.313,
    "s": 56.303,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43463,
    "c": 0.1963,
    "h": 272.7
  },
  "luminance": 0.07301
}

Semantic roles & 50–950 ramp

primary

#343ABA

secondary

#C8C581

accent

#D948E0

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #343ABA

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

Preview Lab → · Contrast checker → · Palette generator →