#343EBC#343EBC

#343EBC is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.3% C 0.194 H 272.0°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#343EBC
RGB	rgb(52, 62, 188)
HSL	hsl(236, 57%, 47%)
HSV	hsv(236, 72%, 74%)
CMYK	cmyk(72.3%, 67%, 0%, 26.3%)
CIE-LAB	lab(33.57, 38.63, -67.20)
CIE-LCH	lch(33.57, 77.51, 299.89°)
OKLab	oklab(44.31% 0.0067 -0.1943)
OKLCH	oklch(44.31% 0.194 272)
XYZ	xyz(12.2128, 7.8049, 48.4301)
Luminance	0.0781 (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

#343EBC #BCB234

analogous

#3482BC #343EBC #6E34BC

triadic

#343EBC #BC343E #3EBC34

tetradic

#343EBC #BC3482 #BCB234 #34BC6E

square

#343EBC #BC3482 #BCB234 #34BC6E

split-complementary

#343EBC #BC6E34 #82BC34

monochromatic

#191E5C #272E8C #343EBC #5B64D2 #8B92DF

Accessibility & contrast

On white

8.20

#343EBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#343EBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343EBC

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343EBC	#FFFFFF	#000000	##FFFFFF
##343EBC	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C0

Deuteranopia (green-blind)

#0049BA

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #343ebc;
/* rgb */ color: rgb(52, 62, 188);
/* oklch */ color: oklch(44.3% 0.194 272.0);

Tailwind

colors: {
  custom: {
    50: '#7f73d1',
    500: '#343ebc',
    950: '#000000',
  },
}

SCSS

$custom: #343ebc;
$custom-light: #7f73d1;
$custom-dark: #000000;

JSON

{
  "hex": "#343ebc",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 188
  },
  "hsl": {
    "h": 235.588,
    "s": 56.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44311,
    "c": 0.1944,
    "h": 272
  },
  "luminance": 0.07806
}

Semantic roles & 50–950 ramp

primary

#343EBC

secondary

#C9C483

accent

#D548E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #343EBC

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

Preview Lab → · Contrast checker → · Palette generator →