#343D73#343D73

#343D73 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.1% C 0.092 H 274.1°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#343D73
RGB	rgb(52, 61, 115)
HSL	hsl(231, 38%, 33%)
HSV	hsv(231, 55%, 45%)
CMYK	cmyk(54.8%, 47%, 0%, 54.9%)
CIE-LAB	lab(27.59, 13.17, -32.36)
CIE-LCH	lch(27.59, 34.94, 292.14°)
OKLab	oklab(38.07% 0.0066 -0.092)
OKLCH	oklch(38.07% 0.092 274.1)
XYZ	xyz(6.1784, 5.3050, 16.9147)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343D73 #736A34

analogous

#345C73 #343D73 #4B3473

triadic

#343D73 #73343D #3D7334

tetradic

#343D73 #73345C #736A34 #34734B

square

#343D73 #73345C #736A34 #34734B

split-complementary

#343D73 #734B34 #5C7334

monochromatic

#0E101F #212749 #343D73 #47539D #6773BA

Accessibility & contrast

On white

10.19

#343D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#343D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343D73

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343D73	#FFFFFF	#000000	##FFFFFF
##343D73	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264475

Deuteranopia (green-blind)

#1F3F72

Tritanopia (blue-blind)

#184952

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #343d73;
/* rgb */ color: rgb(52, 61, 115);
/* oklch */ color: oklch(38.1% 0.092 274.1);

Tailwind

colors: {
  custom: {
    50: '#70729b',
    500: '#343d73',
    950: '#000000',
  },
}

SCSS

$custom: #343d73;
$custom-light: #70729b;
$custom-dark: #000000;

JSON

{
  "hex": "#343d73",
  "rgb": {
    "r": 52,
    "g": 61,
    "b": 115
  },
  "hsl": {
    "h": 231.429,
    "s": 37.725,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38069,
    "c": 0.09222,
    "h": 274.1
  },
  "luminance": 0.05305
}

Semantic roles & 50–950 ramp

primary

#343D73

secondary

#A39960

accent

#BD5ACE

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #343D73

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

Preview Lab → · Contrast checker → · Palette generator →