#342FA9#342FA9

#342FA9 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.1% C 0.187 H 275.7°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#342FA9
RGB	rgb(52, 47, 169)
HSL	hsl(242, 56%, 42%)
HSV	hsv(242, 72%, 66%)
CMYK	cmyk(69.2%, 72.2%, 0%, 33.7%)
CIE-LAB	lab(28.45, 41.19, -64.31)
CIE-LCH	lch(28.45, 76.37, 302.64°)
OKLab	oklab(40.07% 0.0185 -0.1858)
OKLCH	oklch(40.07% 0.187 275.7)
XYZ	xyz(9.5918, 5.6268, 38.1090)
Luminance	0.0563 (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

#342FA9 #A4A92F

analogous

#2F67A9 #342FA9 #712FA9

triadic

#342FA9 #A9342F #2FA934

tetradic

#342FA9 #A92F67 #A4A92F #2FA971

square

#342FA9 #A92F67 #A4A92F #2FA971

split-complementary

#342FA9 #A9712F #67A92F

monochromatic

#171449 #252279 #342FA9 #4E49CC #7D79DA

Accessibility & contrast

On white

9.88

#342FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#342FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342FA9

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342FA9	#FFFFFF	#000000	##FFFFFF
##342FA9	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AD

Deuteranopia (green-blind)

#003EA7

Tritanopia (blue-blind)

#005169

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #342fa9;
/* rgb */ color: rgb(52, 47, 169);
/* oklch */ color: oklch(40.1% 0.187 275.7);

Tailwind

colors: {
  custom: {
    50: '#7c69c4',
    500: '#342fa9',
    950: '#000000',
  },
}

SCSS

$custom: #342fa9;
$custom-light: #7c69c4;
$custom-dark: #000000;

JSON

{
  "hex": "#342fa9",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 169
  },
  "hsl": {
    "h": 242.459,
    "s": 56.481,
    "l": 42.353
  },
  "oklch": {
    "l": 0.40071,
    "c": 0.18675,
    "h": 275.7
  },
  "luminance": 0.05628
}

Semantic roles & 50–950 ramp

primary

#342FA9

secondary

#BFC272

accent

#E048DA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #342FA9

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

Preview Lab → · Contrast checker → · Palette generator →