#3347BE#3347BE

#3347BE is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.0% C 0.187 H 269.9°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#3347BE
RGB	rgb(51, 71, 190)
HSL	hsl(231, 58%, 47%)
HSV	hsv(231, 73%, 75%)
CMYK	cmyk(73.2%, 62.6%, 0%, 25.5%)
CIE-LAB	lab(35.84, 33.56, -64.66)
CIE-LCH	lch(35.84, 72.85, 297.43°)
OKLab	oklab(46.01% -0.0003 -0.1868)
OKLCH	oklch(46.01% 0.187 269.9)
XYZ	xyz(12.9096, 8.9266, 49.7479)
Luminance	0.0893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3347BE #BEAA33

analogous

#338CBE #3347BE #6533BE

triadic

#3347BE #BE3347 #47BE33

tetradic

#3347BE #BE338C #BEAA33 #33BE65

square

#3347BE #BE338C #BEAA33 #33BE65

split-complementary

#3347BE #BE6533 #8CBE33

monochromatic

#19235E #26358E #3347BE #5B6CD3 #8B98E0

Accessibility & contrast

On white

7.54

#3347BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3347BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3347BE

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3347BE	#FFFFFF	#000000	##FFFFFF
##3347BE	1.00	7.54	2.79	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC2

Deuteranopia (green-blind)

#004EBC

Tritanopia (blue-blind)

#00667C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3347be;
/* rgb */ color: rgb(51, 71, 190);
/* oklch */ color: oklch(46.0% 0.187 269.9);

Tailwind

colors: {
  custom: {
    50: '#7e7ad3',
    500: '#3347be',
    950: '#000000',
  },
}

SCSS

$custom: #3347be;
$custom-light: #7e7ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3347be",
  "rgb": {
    "r": 51,
    "g": 71,
    "b": 190
  },
  "hsl": {
    "h": 231.367,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.46012,
    "c": 0.1868,
    "h": 269.9
  },
  "luminance": 0.08928
}

Semantic roles & 50–950 ramp

primary

#3347BE

secondary

#CAC083

accent

#CB47E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #3347BE

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

Preview Lab → · Contrast checker → · Palette generator →