#343E9C#343E9C

#343E9C is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.4% C 0.152 H 273.2°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#343E9C
RGB	rgb(52, 62, 156)
HSL	hsl(234, 50%, 41%)
HSV	hsv(234, 67%, 61%)
CMYK	cmyk(66.7%, 60.3%, 0%, 38.8%)
CIE-LAB	lab(30.82, 27.25, -52.57)
CIE-LCH	lch(30.82, 59.21, 297.40°)
OKLab	oklab(41.44% 0.0085 -0.1514)
OKLCH	oklch(41.44% 0.152 273.2)
XYZ	xyz(9.1375, 6.5748, 32.2336)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343E9C #9C9234

analogous

#34729C #343E9C #5E349C

triadic

#343E9C #9C343E #3E9C34

tetradic

#343E9C #9C3472 #9C9234 #349C5E

square

#343E9C #9C3472 #9C9234 #349C5E

split-complementary

#343E9C #9C5E34 #729C34

monochromatic

#151A40 #252C6E #343E9C #4A56C3 #7881D2

Accessibility & contrast

On white

9.07

#343E9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#343E9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343E9C

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343E9C	#FFFFFF	#000000	##FFFFFF
##343E9C	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9F

Deuteranopia (green-blind)

#00449A

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #343e9c;
/* rgb */ color: rgb(52, 62, 156);
/* oklch */ color: oklch(41.4% 0.152 273.2);

Tailwind

colors: {
  custom: {
    50: '#7873ba',
    500: '#343e9c',
    950: '#000000',
  },
}

SCSS

$custom: #343e9c;
$custom-light: #7873ba;
$custom-dark: #000000;

JSON

{
  "hex": "#343e9c",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 156
  },
  "hsl": {
    "h": 234.231,
    "s": 50,
    "l": 40.784
  },
  "oklch": {
    "l": 0.41438,
    "c": 0.15164,
    "h": 273.2
  },
  "luminance": 0.06576
}

Semantic roles & 50–950 ramp

primary

#343E9C

secondary

#BBB471

accent

#CC4EDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #343E9C

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

Preview Lab → · Contrast checker → · Palette generator →