#343C73#343C73

#343C73 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.8% C 0.094 H 274.8°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#343C73
RGB	rgb(52, 60, 115)
HSL	hsl(232, 38%, 33%)
HSV	hsv(232, 55%, 45%)
CMYK	cmyk(54.8%, 47.8%, 0%, 54.9%)
CIE-LAB	lab(27.29, 13.85, -32.83)
CIE-LCH	lch(27.29, 35.63, 292.87°)
OKLab	oklab(37.85% 0.0078 -0.0934)
OKLCH	oklch(37.85% 0.094 274.8)
XYZ	xyz(6.1256, 5.1992, 16.8971)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343C73 #736B34

analogous

#345B73 #343C73 #4B3473

triadic

#343C73 #73343C #3C7334

tetradic

#343C73 #73345B #736B34 #34734B

square

#343C73 #73345B #736B34 #34734B

split-complementary

#343C73 #734B34 #5B7334

monochromatic

#0E101F #212649 #343C73 #47529D #6772BA

Accessibility & contrast

On white

10.29

#343C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#343C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343C73

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343C73	#FFFFFF	#000000	##FFFFFF
##343C73	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244375

Deuteranopia (green-blind)

#1D3E72

Tritanopia (blue-blind)

#184852

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #343c73;
/* rgb */ color: rgb(52, 60, 115);
/* oklch */ color: oklch(37.8% 0.094 274.8);

Tailwind

colors: {
  custom: {
    50: '#70719c',
    500: '#343c73',
    950: '#000000',
  },
}

SCSS

$custom: #343c73;
$custom-light: #70719c;
$custom-dark: #000000;

JSON

{
  "hex": "#343c73",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 115
  },
  "hsl": {
    "h": 232.381,
    "s": 37.725,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37847,
    "c": 0.0937,
    "h": 274.8
  },
  "luminance": 0.052
}

Semantic roles & 50–950 ramp

primary

#343C73

secondary

#A39A60

accent

#BF5ACE

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #343C73

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

Preview Lab → · Contrast checker → · Palette generator →