#343E8D#343E8D

#343E8D is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.2% C 0.130 H 273.6°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#343E8D
RGB	rgb(52, 62, 141)
HSL	hsl(233, 46%, 38%)
HSV	hsv(233, 63%, 55%)
CMYK	cmyk(63.1%, 56%, 0%, 44.7%)
CIE-LAB	lab(29.66, 21.82, -45.28)
CIE-LCH	lch(29.66, 50.27, 295.72°)
OKLab	oklab(40.21% 0.0082 -0.13)
OKLCH	oklch(40.21% 0.13 273.6)
XYZ	xyz(7.9449, 6.0978, 25.9524)
Luminance	0.0610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343E8D #8D8334

analogous

#346B8D #343E8D #56348D

triadic

#343E8D #8D343E #3E8D34

tetradic

#343E8D #8D346B #8D8334 #348D56

square

#343E8D #8D346B #8D8334 #348D56

split-complementary

#343E8D #8D5634 #6B8D34

monochromatic

#131734 #242A60 #343E8D #4452BA #717BCB

Accessibility & contrast

On white

9.46

#343E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#343E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343E8D

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343E8D	#FFFFFF	#000000	##FFFFFF
##343E8D	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#054A90

Deuteranopia (green-blind)

#00428B

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #343e8d;
/* rgb */ color: rgb(52, 62, 141);
/* oklch */ color: oklch(40.2% 0.130 273.6);

Tailwind

colors: {
  custom: {
    50: '#7573af',
    500: '#343e8d',
    950: '#000000',
  },
}

SCSS

$custom: #343e8d;
$custom-light: #7573af;
$custom-dark: #000000;

JSON

{
  "hex": "#343e8d",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 141
  },
  "hsl": {
    "h": 233.258,
    "s": 46.114,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40207,
    "c": 0.13022,
    "h": 273.6
  },
  "luminance": 0.06098
}

Semantic roles & 50–950 ramp

primary

#343E8D

secondary

#B3AB6A

accent

#C752D6

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #343E8D

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

Preview Lab → · Contrast checker → · Palette generator →