#4347BB#4347BB

#4347BB is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.7% C 0.179 H 275.5°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#4347BB
RGB	rgb(67, 71, 187)
HSL	hsl(238, 47%, 50%)
HSV	hsv(238, 64%, 73%)
CMYK	cmyk(64.2%, 62%, 0%, 26.7%)
CIE-LAB	lab(36.53, 34.68, -61.73)
CIE-LCH	lch(36.53, 70.81, 299.32°)
OKLab	oklab(46.69% 0.0172 -0.1778)
OKLCH	oklch(46.69% 0.179 275.5)
XYZ	xyz(13.5347, 9.2865, 48.0833)
Luminance	0.0929 (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

#4347BB #BBB743

analogous

#4383BB #4347BB #7B43BB

triadic

#4347BB #BB4347 #47BB43

tetradic

#4347BB #BB4383 #BBB743 #43BB7B

square

#4347BB #BB4383 #BBB743 #43BB7B

split-complementary

#4347BB #BB7B43 #83BB43

monochromatic

#232561 #33368E #4347BB #7073CC #9D9FDC

Accessibility & contrast

On white

7.35

#4347BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#4347BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4347BB

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4347BB	#FFFFFF	#000000	##FFFFFF
##4347BB	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBF

Deuteranopia (green-blind)

#0051B9

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4347bb;
/* rgb */ color: rgb(67, 71, 187);
/* oklch */ color: oklch(46.7% 0.179 275.5);

Tailwind

colors: {
  custom: {
    50: '#857ad0',
    500: '#4347bb',
    950: '#000000',
  },
}

SCSS

$custom: #4347bb;
$custom-light: #857ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4347bb",
  "rgb": {
    "r": 67,
    "g": 71,
    "b": 187
  },
  "hsl": {
    "h": 238,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.4669,
    "c": 0.17867,
    "h": 275.5
  },
  "luminance": 0.09288
}

Semantic roles & 50–950 ramp

primary

#4347BB

secondary

#C8C692

accent

#D251D7

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4347BB

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

Preview Lab → · Contrast checker → · Palette generator →