#342F9A#342F9A

#342F9A is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.6% C 0.168 H 277.2°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#342F9A
RGB	rgb(52, 47, 154)
HSL	hsl(243, 53%, 39%)
HSV	hsv(243, 69%, 60%)
CMYK	cmyk(66.2%, 69.5%, 0%, 39.6%)
CIE-LAB	lab(27.01, 36.14, -57.59)
CIE-LCH	lch(27.01, 67.98, 302.11°)
OKLab	oklab(38.6% 0.0209 -0.1662)
OKLCH	oklch(38.6% 0.168 277.2)
XYZ	xyz(8.2635, 5.0955, 31.1136)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342F9A #959A2F

analogous

#2F609A #342F9A #6A2F9A

triadic

#342F9A #9A342F #2F9A34

tetradic

#342F9A #9A2F60 #959A2F #2F9A6A

square

#342F9A #9A2F60 #959A2F #2F9A6A

split-complementary

#342F9A #9A6A2F #609A2F

monochromatic

#14123C #24216B #342F9A #4741C5 #7570D3

Accessibility & contrast

On white

10.40

#342F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#342F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342F9A

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342F9A	#FFFFFF	#000000	##FFFFFF
##342F9A	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449D

Deuteranopia (green-blind)

#003B98

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #342f9a;
/* rgb */ color: rgb(52, 47, 154);
/* oklch */ color: oklch(38.6% 0.168 277.2);

Tailwind

colors: {
  custom: {
    50: '#7968b9',
    500: '#342f9a',
    950: '#000000',
  },
}

SCSS

$custom: #342f9a;
$custom-light: #7968b9;
$custom-dark: #000000;

JSON

{
  "hex": "#342f9a",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 154
  },
  "hsl": {
    "h": 242.804,
    "s": 53.234,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38595,
    "c": 0.1675,
    "h": 277.2
  },
  "luminance": 0.05096
}

Semantic roles & 50–950 ramp

primary

#342F9A

secondary

#B7BB6A

accent

#DD4BD6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #342F9A

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

Preview Lab → · Contrast checker → · Palette generator →