#342B9B#342B9B

#342B9B is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.1% C 0.173 H 277.8°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#342B9B
RGB	rgb(52, 43, 155)
HSL	hsl(245, 57%, 39%)
HSV	hsv(245, 72%, 61%)
CMYK	cmyk(66.5%, 72.3%, 0%, 39.2%)
CIE-LAB	lab(26.23, 38.87, -59.48)
CIE-LCH	lch(26.23, 71.05, 303.17°)
OKLab	oklab(38.07% 0.0236 -0.1717)
OKLCH	oklch(38.07% 0.173 277.8)
XYZ	xyz(8.1945, 4.8237, 31.5032)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342B9B #929B2B

analogous

#2B5A9B #342B9B #6C2B9B

triadic

#342B9B #9B342B #2B9B34

tetradic

#342B9B #9B2B5A #929B2B #2B9B6C

square

#342B9B #9B2B5A #929B2B #2B9B6C

split-complementary

#342B9B #9B6C2B #5A9B2B

monochromatic

#14103B #241E6B #342B9B #463BC9 #736BD6

Accessibility & contrast

On white

10.69

#342B9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#342B9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342B9B

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342B9B	#FFFFFF	#000000	##FFFFFF
##342B9B	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439E

Deuteranopia (green-blind)

#003999

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #342b9b;
/* rgb */ color: rgb(52, 43, 155);
/* oklch */ color: oklch(38.1% 0.173 277.8);

Tailwind

colors: {
  custom: {
    50: '#7966ba',
    500: '#342b9b',
    950: '#000000',
  },
}

SCSS

$custom: #342b9b;
$custom-light: #7966ba;
$custom-dark: #000000;

JSON

{
  "hex": "#342b9b",
  "rgb": {
    "r": 52,
    "g": 43,
    "b": 155
  },
  "hsl": {
    "h": 244.821,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.38066,
    "c": 0.17333,
    "h": 277.8
  },
  "luminance": 0.04824
}

Semantic roles & 50–950 ramp

primary

#342B9B

secondary

#B5BC65

accent

#E048D4

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #342B9B

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

Preview Lab → · Contrast checker → · Palette generator →