#343DBA#343DBA

#343DBA is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.0% C 0.193 H 272.2°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#343DBA
RGB	rgb(52, 61, 186)
HSL	hsl(236, 56%, 47%)
HSV	hsv(236, 72%, 73%)
CMYK	cmyk(72%, 67.2%, 0%, 27.1%)
CIE-LAB	lab(33.16, 38.55, -66.70)
CIE-LCH	lch(33.16, 77.04, 300.03°)
OKLab	oklab(43.96% 0.0075 -0.1928)
OKLCH	oklch(43.96% 0.193 272.2)
XYZ	xyz(11.9449, 7.6115, 47.2845)
Luminance	0.0761 (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

#343DBA #BAB134

analogous

#3480BA #343DBA #6E34BA

triadic

#343DBA #BA343D #3DBA34

tetradic

#343DBA #BA3480 #BAB134 #34BA6E

square

#343DBA #BA3480 #BAB134 #34BA6E

split-complementary

#343DBA #BA6E34 #80BA34

monochromatic

#191E5A #272D8A #343DBA #5A62D1 #8A90DE

Accessibility & contrast

On white

8.32

#343DBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#343DBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343DBA

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343DBA	#FFFFFF	#000000	##FFFFFF
##343DBA	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BE

Deuteranopia (green-blind)

#0048B8

Tritanopia (blue-blind)

#005F76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #343dba;
/* rgb */ color: rgb(52, 61, 186);
/* oklch */ color: oklch(44.0% 0.193 272.2);

Tailwind

colors: {
  custom: {
    50: '#7f73d0',
    500: '#343dba',
    950: '#000000',
  },
}

SCSS

$custom: #343dba;
$custom-light: #7f73d0;
$custom-dark: #000000;

JSON

{
  "hex": "#343dba",
  "rgb": {
    "r": 52,
    "g": 61,
    "b": 186
  },
  "hsl": {
    "h": 235.97,
    "s": 56.303,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43955,
    "c": 0.19296,
    "h": 272.2
  },
  "luminance": 0.07613
}

Semantic roles & 50–950 ramp

primary

#343DBA

secondary

#C8C481

accent

#D548E0

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #343DBA

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

Preview Lab → · Contrast checker → · Palette generator →