#343CBD#343CBD

#343CBD is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.1% C 0.198 H 272.3°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#343CBD
RGB	rgb(52, 60, 189)
HSL	hsl(236, 57%, 47%)
HSV	hsv(236, 72%, 74%)
CMYK	cmyk(72.5%, 68.3%, 0%, 25.9%)
CIE-LAB	lab(33.21, 40.20, -68.38)
CIE-LCH	lch(33.21, 79.32, 300.45°)
OKLab	oklab(44.08% 0.0078 -0.1977)
OKLCH	oklch(44.08% 0.198 272.3)
XYZ	xyz(12.2142, 7.6347, 48.9642)
Luminance	0.0764 (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

#343CBD #BDB534

analogous

#3481BD #343CBD #7034BD

triadic

#343CBD #BD343C #3CBD34

tetradic

#343CBD #BD3481 #BDB534 #34BD70

square

#343CBD #BD3481 #BDB534 #34BD70

split-complementary

#343CBD #BD7034 #81BD34

monochromatic

#1A1E5D #272D8D #343CBD #5C63D2 #8C91DF

Accessibility & contrast

On white

8.31

#343CBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#343CBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343CBD

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343CBD	#FFFFFF	#000000	##FFFFFF
##343CBD	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C1

Deuteranopia (green-blind)

#0048BB

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #343cbd;
/* rgb */ color: rgb(52, 60, 189);
/* oklch */ color: oklch(44.1% 0.198 272.3);

Tailwind

colors: {
  custom: {
    50: '#8072d2',
    500: '#343cbd',
    950: '#000000',
  },
}

SCSS

$custom: #343cbd;
$custom-light: #8072d2;
$custom-dark: #000000;

JSON

{
  "hex": "#343cbd",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 189
  },
  "hsl": {
    "h": 236.496,
    "s": 56.846,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44076,
    "c": 0.1979,
    "h": 272.3
  },
  "luminance": 0.07636
}

Semantic roles & 50–950 ramp

primary

#343CBD

secondary

#CAC683

accent

#D748E0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #343CBD

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

Preview Lab → · Contrast checker → · Palette generator →