#342FA3#342FA3

#342FA3 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.5% C 0.179 H 276.3°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#342FA3
RGB	rgb(52, 47, 163)
HSL	hsl(243, 55%, 41%)
HSV	hsv(243, 71%, 64%)
CMYK	cmyk(68.1%, 71.2%, 0%, 36.1%)
CIE-LAB	lab(27.86, 39.18, -61.65)
CIE-LCH	lch(27.86, 73.05, 302.44°)
OKLab	oklab(39.47% 0.0195 -0.1781)
OKLCH	oklch(39.47% 0.179 276.3)
XYZ	xyz(9.0414, 5.4066, 35.2103)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342FA3 #9EA32F

analogous

#2F64A3 #342FA3 #6E2FA3

triadic

#342FA3 #A3342F #2FA334

tetradic

#342FA3 #A32F64 #9EA32F #2FA36E

square

#342FA3 #A32F64 #9EA32F #2FA36E

split-complementary

#342FA3 #A36E2F #64A32F

monochromatic

#161444 #252173 #342FA3 #4B46CA #7975D7

Accessibility & contrast

On white

10.09

#342FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#342FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342FA3

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342FA3	#FFFFFF	#000000	##FFFFFF
##342FA3	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A6

Deuteranopia (green-blind)

#003DA1

Tritanopia (blue-blind)

#004F65

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #342fa3;
/* rgb */ color: rgb(52, 47, 163);
/* oklch */ color: oklch(39.5% 0.179 276.3);

Tailwind

colors: {
  custom: {
    50: '#7b69bf',
    500: '#342fa3',
    950: '#000000',
  },
}

SCSS

$custom: #342fa3;
$custom-light: #7b69bf;
$custom-dark: #000000;

JSON

{
  "hex": "#342fa3",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 163
  },
  "hsl": {
    "h": 242.586,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.39473,
    "c": 0.17915,
    "h": 276.3
  },
  "luminance": 0.05407
}

Semantic roles & 50–950 ramp

primary

#342FA3

secondary

#BCBF6F

accent

#DF49D8

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #342FA3

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

Preview Lab → · Contrast checker → · Palette generator →