#342FA4#342FA4

#342FA4 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.6% C 0.180 H 276.2°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#342FA4
RGB	rgb(52, 47, 164)
HSL	hsl(243, 55%, 41%)
HSV	hsv(243, 71%, 64%)
CMYK	cmyk(68.3%, 71.3%, 0%, 35.7%)
CIE-LAB	lab(27.96, 39.52, -62.10)
CIE-LCH	lch(27.96, 73.60, 302.47°)
OKLab	oklab(39.57% 0.0194 -0.1794)
OKLCH	oklch(39.57% 0.18 276.2)
XYZ	xyz(9.1313, 5.4426, 35.6841)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342FA4 #9FA42F

analogous

#2F65A4 #342FA4 #6F2FA4

triadic

#342FA4 #A4342F #2FA434

tetradic

#342FA4 #A42F65 #9FA42F #2FA46F

square

#342FA4 #A42F65 #9FA42F #2FA46F

split-complementary

#342FA4 #A46F2F #65A42F

monochromatic

#161445 #252174 #342FA4 #4C46CA #7A76D8

Accessibility & contrast

On white

10.05

#342FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#342FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342FA4

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342FA4	#FFFFFF	#000000	##FFFFFF
##342FA4	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A8

Deuteranopia (green-blind)

#003DA2

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #342fa4;
/* rgb */ color: rgb(52, 47, 164);
/* oklch */ color: oklch(39.6% 0.180 276.2);

Tailwind

colors: {
  custom: {
    50: '#7b69c0',
    500: '#342fa4',
    950: '#000000',
  },
}

SCSS

$custom: #342fa4;
$custom-light: #7b69c0;
$custom-dark: #000000;

JSON

{
  "hex": "#342fa4",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 164
  },
  "hsl": {
    "h": 242.564,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39572,
    "c": 0.18042,
    "h": 276.2
  },
  "luminance": 0.05443
}

Semantic roles & 50–950 ramp

primary

#342FA4

secondary

#BCC06F

accent

#DF49D8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #342FA4

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

Preview Lab → · Contrast checker → · Palette generator →