#342F99#342F99

#342F99 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.5% C 0.166 H 277.3°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#342F99
RGB	rgb(52, 47, 153)
HSL	hsl(243, 53%, 39%)
HSV	hsv(243, 69%, 60%)
CMYK	cmyk(66%, 69.3%, 0%, 40%)
CIE-LAB	lab(26.91, 35.80, -57.13)
CIE-LCH	lch(26.91, 67.42, 302.07°)
OKLab	oklab(38.5% 0.021 -0.1648)
OKLCH	oklch(38.5% 0.166 277.3)
XYZ	xyz(8.1806, 5.0623, 30.6768)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342F99 #94992F

analogous

#2F5F99 #342F99 #692F99

triadic

#342F99 #99342F #2F9934

tetradic

#342F99 #992F5F #94992F #2F9969

square

#342F99 #992F5F #94992F #2F9969

split-complementary

#342F99 #99692F #5F992F

monochromatic

#14123B #24216A #342F99 #4741C5 #746FD3

Accessibility & contrast

On white

10.43

#342F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#342F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342F99

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342F99	#FFFFFF	#000000	##FFFFFF
##342F99	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449C

Deuteranopia (green-blind)

#003B97

Tritanopia (blue-blind)

#004B60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #342f99;
/* rgb */ color: rgb(52, 47, 153);
/* oklch */ color: oklch(38.5% 0.166 277.3);

Tailwind

colors: {
  custom: {
    50: '#7968b8',
    500: '#342f99',
    950: '#000000',
  },
}

SCSS

$custom: #342f99;
$custom-light: #7968b8;
$custom-dark: #000000;

JSON

{
  "hex": "#342f99",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 153
  },
  "hsl": {
    "h": 242.83,
    "s": 53,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38499,
    "c": 0.16619,
    "h": 277.3
  },
  "luminance": 0.05063
}

Semantic roles & 50–950 ramp

primary

#342F99

secondary

#B7BA69

accent

#DC4BD6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #342F99

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

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