#343E72#343E72

#343E72 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.2% C 0.089 H 273.3°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#343E72
RGB	rgb(52, 62, 114)
HSL	hsl(230, 37%, 33%)
HSV	hsv(230, 54%, 45%)
CMYK	cmyk(54.4%, 45.6%, 0%, 55.3%)
CIE-LAB	lab(27.82, 12.14, -31.36)
CIE-LCH	lch(27.82, 33.63, 291.15°)
OKLab	oklab(38.22% 0.0051 -0.089)
OKLCH	oklch(38.22% 0.089 273.3)
XYZ	xyz(6.1751, 5.3898, 16.6313)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343E72 #726834

analogous

#345D72 #343E72 #493472

triadic

#343E72 #72343E #3E7234

tetradic

#343E72 #72345D #726834 #347249

square

#343E72 #72345D #726834 #347249

split-complementary

#343E72 #724934 #5D7234

monochromatic

#0E101E #212748 #343E72 #47559C #6774BA

Accessibility & contrast

On white

10.11

#343E72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#343E72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343E72

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343E72	#FFFFFF	#000000	##FFFFFF
##343E72	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284474

Deuteranopia (green-blind)

#223F71

Tritanopia (blue-blind)

#184952

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #343e72;
/* rgb */ color: rgb(52, 62, 114);
/* oklch */ color: oklch(38.2% 0.089 273.3);

Tailwind

colors: {
  custom: {
    50: '#70739b',
    500: '#343e72',
    950: '#000000',
  },
}

SCSS

$custom: #343e72;
$custom-light: #70739b;
$custom-dark: #000000;

JSON

{
  "hex": "#343e72",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 114
  },
  "hsl": {
    "h": 230.323,
    "s": 37.349,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38225,
    "c": 0.08919,
    "h": 273.3
  },
  "luminance": 0.0539
}

Semantic roles & 50–950 ramp

primary

#343E72

secondary

#A29760

accent

#BB5ACD

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#08080E

muted

#7B7B7E

Preview Lab

Preview with #343E72

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

Preview Lab → · Contrast checker → · Palette generator →