#343E9E#343E9E

#343E9E is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.6% C 0.154 H 273.1°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#343E9E
RGB	rgb(52, 62, 158)
HSL	hsl(234, 50%, 41%)
HSV	hsv(234, 67%, 62%)
CMYK	cmyk(67.1%, 60.8%, 0%, 38%)
CIE-LAB	lab(30.98, 27.97, -53.52)
CIE-LCH	lch(30.98, 60.39, 297.59°)
OKLab	oklab(41.61% 0.0084 -0.1542)
OKLCH	oklch(41.61% 0.154 273.1)
XYZ	xyz(9.3083, 6.6431, 33.1328)
Luminance	0.0664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343E9E #9E9434

analogous

#34739E #343E9E #5F349E

triadic

#343E9E #9E343E #3E9E34

tetradic

#343E9E #9E3473 #9E9434 #349E5F

square

#343E9E #9E3473 #9E9434 #349E5F

split-complementary

#343E9E #9E5F34 #739E34

monochromatic

#161A42 #252C70 #343E9E #4B57C4 #7982D3

Accessibility & contrast

On white

9.02

#343E9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#343E9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343E9E

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343E9E	#FFFFFF	#000000	##FFFFFF
##343E9E	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA1

Deuteranopia (green-blind)

#00449C

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #343e9e;
/* rgb */ color: rgb(52, 62, 158);
/* oklch */ color: oklch(41.6% 0.154 273.1);

Tailwind

colors: {
  custom: {
    50: '#7973bb',
    500: '#343e9e',
    950: '#000000',
  },
}

SCSS

$custom: #343e9e;
$custom-light: #7973bb;
$custom-dark: #000000;

JSON

{
  "hex": "#343e9e",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 158
  },
  "hsl": {
    "h": 234.34,
    "s": 50.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41609,
    "c": 0.15442,
    "h": 273.1
  },
  "luminance": 0.06644
}

Semantic roles & 50–950 ramp

primary

#343E9E

secondary

#BCB572

accent

#CD4EDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #343E9E

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

Preview Lab → · Contrast checker → · Palette generator →