#342EA3#342EA3

#342EA3 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.3% C 0.180 H 276.4°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#342EA3
RGB	rgb(52, 46, 163)
HSL	hsl(243, 56%, 41%)
HSV	hsv(243, 72%, 64%)
CMYK	cmyk(68.1%, 71.8%, 0%, 36.1%)
CIE-LAB	lab(27.65, 39.77, -62.00)
CIE-LCH	lch(27.65, 73.66, 302.68°)
OKLab	oklab(39.32% 0.0202 -0.1791)
OKLCH	oklch(39.32% 0.18 276.4)
XYZ	xyz(9.0019, 5.3276, 35.1972)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342EA3 #9DA32E

analogous

#2E62A3 #342EA3 #6E2EA3

triadic

#342EA3 #A3342E #2EA334

tetradic

#342EA3 #A32E62 #9DA32E #2EA36E

square

#342EA3 #A32E62 #9DA32E #2EA36E

split-complementary

#342EA3 #A36E2E #62A32E

monochromatic

#161344 #252173 #342EA3 #4B44CA #7974D8

Accessibility & contrast

On white

10.17

#342EA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#342EA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342EA3

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342EA3	#FFFFFF	#000000	##FFFFFF
##342EA3	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A6

Deuteranopia (green-blind)

#003CA1

Tritanopia (blue-blind)

#004E65

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #342ea3;
/* rgb */ color: rgb(52, 46, 163);
/* oklch */ color: oklch(39.3% 0.180 276.4);

Tailwind

colors: {
  custom: {
    50: '#7b68bf',
    500: '#342ea3',
    950: '#000000',
  },
}

SCSS

$custom: #342ea3;
$custom-light: #7b68bf;
$custom-dark: #000000;

JSON

{
  "hex": "#342ea3",
  "rgb": {
    "r": 52,
    "g": 46,
    "b": 163
  },
  "hsl": {
    "h": 243.077,
    "s": 55.981,
    "l": 40.98
  },
  "oklch": {
    "l": 0.3932,
    "c": 0.18024,
    "h": 276.4
  },
  "luminance": 0.05328
}

Semantic roles & 50–950 ramp

primary

#342EA3

secondary

#BBBF6D

accent

#DF49D8

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #342EA3

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

Preview Lab → · Contrast checker → · Palette generator →