#342EA9#342EA9

#342EA9 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.9% C 0.188 H 275.8°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#342EA9
RGB	rgb(52, 46, 169)
HSL	hsl(243, 57%, 42%)
HSV	hsv(243, 73%, 66%)
CMYK	cmyk(69.2%, 72.8%, 0%, 33.7%)
CIE-LAB	lab(28.24, 41.77, -64.65)
CIE-LCH	lch(28.24, 76.97, 302.87°)
OKLab	oklab(39.92% 0.0191 -0.1868)
OKLCH	oklch(39.92% 0.188 275.8)
XYZ	xyz(9.5522, 5.5478, 38.0958)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342EA9 #A3A92E

analogous

#2E66A9 #342EA9 #722EA9

triadic

#342EA9 #A9342E #2EA934

tetradic

#342EA9 #A92E66 #A3A92E #2EA972

square

#342EA9 #A92E66 #A3A92E #2EA972

split-complementary

#342EA9 #A9722E #66A92E

monochromatic

#161449 #252179 #342EA9 #4E47CD #7C77DA

Accessibility & contrast

On white

9.95

#342EA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#342EA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342EA9

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342EA9	#FFFFFF	#000000	##FFFFFF
##342EA9	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AD

Deuteranopia (green-blind)

#003DA7

Tritanopia (blue-blind)

#005168

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #342ea9;
/* rgb */ color: rgb(52, 46, 169);
/* oklch */ color: oklch(39.9% 0.188 275.8);

Tailwind

colors: {
  custom: {
    50: '#7c68c4',
    500: '#342ea9',
    950: '#000000',
  },
}

SCSS

$custom: #342ea9;
$custom-light: #7c68c4;
$custom-dark: #000000;

JSON

{
  "hex": "#342ea9",
  "rgb": {
    "r": 52,
    "g": 46,
    "b": 169
  },
  "hsl": {
    "h": 242.927,
    "s": 57.209,
    "l": 42.157
  },
  "oklch": {
    "l": 0.39922,
    "c": 0.18781,
    "h": 275.8
  },
  "luminance": 0.05549
}

Semantic roles & 50–950 ramp

primary

#342EA9

secondary

#BEC271

accent

#E047D9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #342EA9

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

Preview Lab → · Contrast checker → · Palette generator →