#343A84#343A84

#343A84 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.7% C 0.123 H 275.6°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#343A84
RGB	rgb(52, 58, 132)
HSL	hsl(236, 43%, 36%)
HSV	hsv(236, 61%, 52%)
CMYK	cmyk(60.6%, 56.1%, 0%, 48.2%)
CIE-LAB	lab(27.90, 21.26, -42.54)
CIE-LCH	lch(27.90, 47.56, 296.56°)
OKLab	oklab(38.68% 0.0119 -0.1219)
OKLCH	oklch(38.68% 0.123 275.6)
XYZ	xyz(7.0927, 5.4216, 22.4980)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343A84 #847E34

analogous

#346284 #343A84 #563484

triadic

#343A84 #84343A #3A8434

tetradic

#343A84 #843462 #847E34 #348456

square

#343A84 #843462 #847E34 #348456

split-complementary

#343A84 #845634 #628434

monochromatic

#11132C #232758 #343A84 #454DB0 #6D74C5

Accessibility & contrast

On white

10.07

#343A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#343A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343A84

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343A84	#FFFFFF	#000000	##FFFFFF
##343A84	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#084587

Deuteranopia (green-blind)

#003F82

Tritanopia (blue-blind)

#004B59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #343a84;
/* rgb */ color: rgb(52, 58, 132);
/* oklch */ color: oklch(38.7% 0.123 275.6);

Tailwind

colors: {
  custom: {
    50: '#7470a8',
    500: '#343a84',
    950: '#000000',
  },
}

SCSS

$custom: #343a84;
$custom-light: #7470a8;
$custom-dark: #000000;

JSON

{
  "hex": "#343a84",
  "rgb": {
    "r": 52,
    "g": 58,
    "b": 132
  },
  "hsl": {
    "h": 235.5,
    "s": 43.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38682,
    "c": 0.12252,
    "h": 275.6
  },
  "luminance": 0.05422
}

Semantic roles & 50–950 ramp

primary

#343A84

secondary

#AEA866

accent

#CA55D3

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #343A84

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

Preview Lab → · Contrast checker → · Palette generator →