#343DB6#343DB6

#343DB6 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.6% C 0.188 H 272.4°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#343DB6
RGB	rgb(52, 61, 182)
HSL	hsl(236, 56%, 46%)
HSV	hsv(236, 71%, 71%)
CMYK	cmyk(71.4%, 66.5%, 0%, 28.6%)
CIE-LAB	lab(32.80, 37.15, -64.93)
CIE-LCH	lch(32.80, 74.81, 299.78°)
OKLab	oklab(43.58% 0.0079 -0.1876)
OKLCH	oklch(43.58% 0.188 272.4)
XYZ	xyz(11.5256, 7.4438, 45.0763)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343DB6 #B6AD34

analogous

#347EB6 #343DB6 #6C34B6

triadic

#343DB6 #B6343D #3DB634

tetradic

#343DB6 #B6347E #B6AD34 #34B66C

square

#343DB6 #B6347E #B6AD34 #34B66C

split-complementary

#343DB6 #B66C34 #7EB634

monochromatic

#191D57 #262D86 #343DB6 #5860CF #888DDD

Accessibility & contrast

On white

8.44

#343DB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#343DB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343DB6

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343DB6	#FFFFFF	#000000	##FFFFFF
##343DB6	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BA

Deuteranopia (green-blind)

#0047B4

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #343db6;
/* rgb */ color: rgb(52, 61, 182);
/* oklch */ color: oklch(43.6% 0.188 272.4);

Tailwind

colors: {
  custom: {
    50: '#7e73cd',
    500: '#343db6',
    950: '#000000',
  },
}

SCSS

$custom: #343db6;
$custom-light: #7e73cd;
$custom-dark: #000000;

JSON

{
  "hex": "#343db6",
  "rgb": {
    "r": 52,
    "g": 61,
    "b": 182
  },
  "hsl": {
    "h": 235.846,
    "s": 55.556,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43579,
    "c": 0.18781,
    "h": 272.4
  },
  "luminance": 0.07445
}

Semantic roles & 50–950 ramp

primary

#343DB6

secondary

#C7C27F

accent

#D449DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #343DB6

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

Preview Lab → · Contrast checker → · Palette generator →