#343E91#343E91

#343E91 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.5% C 0.136 H 273.5°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#343E91
RGB	rgb(52, 62, 145)
HSL	hsl(234, 47%, 39%)
HSV	hsv(234, 64%, 57%)
CMYK	cmyk(64.1%, 57.2%, 0%, 43.1%)
CIE-LAB	lab(29.96, 23.27, -47.26)
CIE-LCH	lch(29.96, 52.67, 296.21°)
OKLab	oklab(40.53% 0.0083 -0.1358)
OKLCH	oklch(40.53% 0.136 273.5)
XYZ	xyz(8.2479, 6.2190, 27.5483)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343E91 #918734

analogous

#346C91 #343E91 #583491

triadic

#343E91 #91343E #3E9134

tetradic

#343E91 #91346C #918734 #349158

square

#343E91 #91346C #918734 #349158

split-complementary

#343E91 #915834 #6C9134

monochromatic

#141737 #242B64 #343E91 #4652BD #737CCD

Accessibility & contrast

On white

9.36

#343E91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#343E91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343E91

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343E91	#FFFFFF	#000000	##FFFFFF
##343E91	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B94

Deuteranopia (green-blind)

#00438F

Tritanopia (blue-blind)

#005261

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #343e91;
/* rgb */ color: rgb(52, 62, 145);
/* oklch */ color: oklch(40.5% 0.136 273.5);

Tailwind

colors: {
  custom: {
    50: '#7673b2',
    500: '#343e91',
    950: '#000000',
  },
}

SCSS

$custom: #343e91;
$custom-light: #7673b2;
$custom-dark: #000000;

JSON

{
  "hex": "#343e91",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 145
  },
  "hsl": {
    "h": 233.548,
    "s": 47.208,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40527,
    "c": 0.13603,
    "h": 273.5
  },
  "luminance": 0.0622
}

Semantic roles & 50–950 ramp

primary

#343E91

secondary

#B5AD6C

accent

#C851D7

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #343E91

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

Preview Lab → · Contrast checker → · Palette generator →