#3347BA#3347BA

#3347BA is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.7% C 0.182 H 269.9°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#3347BA
RGB	rgb(51, 71, 186)
HSL	hsl(231, 57%, 46%)
HSV	hsv(231, 73%, 73%)
CMYK	cmyk(72.6%, 61.8%, 0%, 27.1%)
CIE-LAB	lab(35.51, 32.11, -62.86)
CIE-LCH	lch(35.51, 70.58, 297.06°)
OKLab	oklab(45.66% -0.0002 -0.1815)
OKLCH	oklch(45.66% 0.182 269.9)
XYZ	xyz(12.4784, 8.7542, 47.4769)
Luminance	0.0876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3347BA #BAA633

analogous

#338BBA #3347BA #6333BA

triadic

#3347BA #BA3347 #47BA33

tetradic

#3347BA #BA338B #BAA633 #33BA63

square

#3347BA #BA338B #BAA633 #33BA63

split-complementary

#3347BA #BA6333 #8BBA33

monochromatic

#19225A #26358A #3347BA #596BD1 #8996DF

Accessibility & contrast

On white

7.63

#3347BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3347BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3347BA

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3347BA	#FFFFFF	#000000	##FFFFFF
##3347BA	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABE

Deuteranopia (green-blind)

#004DB8

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3347ba;
/* rgb */ color: rgb(51, 71, 186);
/* oklch */ color: oklch(45.7% 0.182 269.9);

Tailwind

colors: {
  custom: {
    50: '#7e7ad0',
    500: '#3347ba',
    950: '#000000',
  },
}

SCSS

$custom: #3347ba;
$custom-light: #7e7ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3347ba",
  "rgb": {
    "r": 51,
    "g": 71,
    "b": 186
  },
  "hsl": {
    "h": 231.111,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4566,
    "c": 0.18152,
    "h": 269.9
  },
  "luminance": 0.08755
}

Semantic roles & 50–950 ramp

primary

#3347BA

secondary

#C9BE80

accent

#CA48E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3347BA

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

Preview Lab → · Contrast checker → · Palette generator →