#3343B9#3343B9

#3343B9 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.8% C 0.185 H 270.8°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#3343B9
RGB	rgb(51, 67, 185)
HSL	hsl(233, 57%, 46%)
HSV	hsv(233, 72%, 73%)
CMYK	cmyk(72.4%, 63.8%, 0%, 27.5%)
CIE-LAB	lab(34.44, 34.31, -64.02)
CIE-LCH	lch(34.44, 72.63, 298.19°)
OKLab	oklab(44.85% 0.0026 -0.185)
OKLCH	oklch(44.85% 0.185 270.8)
XYZ	xyz(12.1264, 8.2197, 46.8370)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.41

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3343B9 #B9A933

analogous

#3386B9 #3343B9 #6633B9

triadic

#3343B9 #B93343 #43B933

tetradic

#3343B9 #B93386 #B9A933 #33B966

square

#3343B9 #B93386 #B9A933 #33B966

split-complementary

#3343B9 #B96633 #86B933

monochromatic

#192059 #263289 #3343B9 #5867D1 #8892DE

Accessibility & contrast

On white

7.94

#3343B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3343B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3343B9

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3343B9	#FFFFFF	#000000	##FFFFFF
##3343B9	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BD

Deuteranopia (green-blind)

#004BB7

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3343b9;
/* rgb */ color: rgb(51, 67, 185);
/* oklch */ color: oklch(44.8% 0.185 270.8);

Tailwind

colors: {
  custom: {
    50: '#7e77cf',
    500: '#3343b9',
    950: '#000000',
  },
}

SCSS

$custom: #3343b9;
$custom-light: #7e77cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3343b9",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 185
  },
  "hsl": {
    "h": 232.836,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44845,
    "c": 0.18498,
    "h": 270.8
  },
  "luminance": 0.08221
}

Semantic roles & 50–950 ramp

primary

#3343B9

secondary

#C8BF80

accent

#CE48E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3343B9

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

Preview Lab → · Contrast checker → · Palette generator →