#342F9E#342F9E

#342F9E is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.0% C 0.173 H 276.8°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#342F9E
RGB	rgb(52, 47, 158)
HSL	hsl(243, 54%, 40%)
HSV	hsv(243, 70%, 62%)
CMYK	cmyk(67.1%, 70.3%, 0%, 38%)
CIE-LAB	lab(27.38, 37.49, -59.41)
CIE-LCH	lch(27.38, 70.25, 302.26°)
OKLab	oklab(38.98% 0.0203 -0.1715)
OKLCH	oklch(38.98% 0.173 276.8)
XYZ	xyz(8.6022, 5.2310, 32.8975)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342F9E #999E2F

analogous

#2F619E #342F9E #6C2F9E

triadic

#342F9E #9E342F #2F9E34

tetradic

#342F9E #9E2F61 #999E2F #2F9E6C

square

#342F9E #9E2F61 #999E2F #2F9E6C

split-complementary

#342F9E #9E6C2F #619E2F

monochromatic

#151340 #24216F #342F9E #4943C7 #7772D5

Accessibility & contrast

On white

10.26

#342F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#342F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342F9E

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342F9E	#FFFFFF	#000000	##FFFFFF
##342F9E	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A1

Deuteranopia (green-blind)

#003C9C

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #342f9e;
/* rgb */ color: rgb(52, 47, 158);
/* oklch */ color: oklch(39.0% 0.173 276.8);

Tailwind

colors: {
  custom: {
    50: '#7a68bc',
    500: '#342f9e',
    950: '#000000',
  },
}

SCSS

$custom: #342f9e;
$custom-light: #7a68bc;
$custom-dark: #000000;

JSON

{
  "hex": "#342f9e",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 158
  },
  "hsl": {
    "h": 242.703,
    "s": 54.146,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38983,
    "c": 0.17271,
    "h": 276.8
  },
  "luminance": 0.05232
}

Semantic roles & 50–950 ramp

primary

#342F9E

secondary

#B9BD6C

accent

#DE4AD7

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #342F9E

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

Preview Lab → · Contrast checker → · Palette generator →