#343BDD#343BDD

#343BDD is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 47.1% C 0.238 H 271.0°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#343BDD
RGB	rgb(52, 59, 221)
HSL	hsl(238, 71%, 54%)
HSV	hsv(238, 76%, 87%)
CMYK	cmyk(76.5%, 73.3%, 0%, 13.3%)
CIE-LAB	lab(36.13, 51.53, -82.15)
CIE-LCH	lch(36.13, 96.98, 302.10°)
OKLab	oklab(47.11% 0.004 -0.2379)
OKLCH	oklch(47.11% 0.238 271)
XYZ	xyz(16.0269, 9.0767, 69.2999)
Luminance	0.0908 (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

#343BDD #DDD634

analogous

#348FDD #343BDD #8134DD

triadic

#343BDD #DD343B #3BDD34

tetradic

#343BDD #DD348F #DDD634 #34DD81

square

#343BDD #DD348F #DDD634 #34DD81

split-complementary

#343BDD #DD8134 #8FDD34

monochromatic

#161A81 #1E25B5 #343BDD #686EE6 #9DA0EF

Accessibility & contrast

On white

7.46

#343BDD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#343BDD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343BDD

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343BDD	#FFFFFF	#000000	##FFFFFF
##343BDD	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DE2

Deuteranopia (green-blind)

#004DDA

Tritanopia (blue-blind)

#006A89

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #343bdd;
/* rgb */ color: rgb(52, 59, 221);
/* oklch */ color: oklch(47.1% 0.238 271.0);

Tailwind

colors: {
  custom: {
    50: '#8773e9',
    500: '#343bdd',
    950: '#000000',
  },
}

SCSS

$custom: #343bdd;
$custom-light: #8773e9;
$custom-dark: #000000;

JSON

{
  "hex": "#343bdd",
  "rgb": {
    "r": 52,
    "g": 59,
    "b": 221
  },
  "hsl": {
    "h": 237.515,
    "s": 71.308,
    "l": 53.529
  },
  "oklch": {
    "l": 0.47111,
    "c": 0.23792,
    "h": 271
  },
  "luminance": 0.09078
}

Semantic roles & 50–950 ramp

primary

#343BDD

secondary

#DBD892

accent

#E73AEE

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #343BDD

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

Preview Lab → · Contrast checker → · Palette generator →