#4345BB#4345BB

#4345BB is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.3% C 0.181 H 276.0°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#4345BB
RGB	rgb(67, 69, 187)
HSL	hsl(239, 47%, 50%)
HSV	hsv(239, 64%, 73%)
CMYK	cmyk(64.2%, 63.1%, 0%, 26.7%)
CIE-LAB	lab(36.05, 35.92, -62.51)
CIE-LCH	lch(36.05, 72.10, 299.88°)
OKLab	oklab(46.34% 0.0188 -0.1801)
OKLCH	oklch(46.34% 0.181 276)
XYZ	xyz(13.4096, 9.0363, 48.0416)
Luminance	0.0904 (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

#4345BB #BBB943

analogous

#4381BB #4345BB #7D43BB

triadic

#4345BB #BB4345 #45BB43

tetradic

#4345BB #BB4381 #BBB943 #43BB7D

square

#4345BB #BB4381 #BBB943 #43BB7D

split-complementary

#4345BB #BB7D43 #81BB43

monochromatic

#232461 #33348E #4345BB #7071CC #9D9EDC

Accessibility & contrast

On white

7.48

#4345BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#4345BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4345BB

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4345BB	#FFFFFF	#000000	##FFFFFF
##4345BB	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABF

Deuteranopia (green-blind)

#0050B9

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4345bb;
/* rgb */ color: rgb(67, 69, 187);
/* oklch */ color: oklch(46.3% 0.181 276.0);

Tailwind

colors: {
  custom: {
    50: '#8579d0',
    500: '#4345bb',
    950: '#000000',
  },
}

SCSS

$custom: #4345bb;
$custom-light: #8579d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4345bb",
  "rgb": {
    "r": 67,
    "g": 69,
    "b": 187
  },
  "hsl": {
    "h": 239,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.46341,
    "c": 0.18111,
    "h": 276
  },
  "luminance": 0.09037
}

Semantic roles & 50–950 ramp

primary

#4345BB

secondary

#C8C792

accent

#D551D7

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4345BB

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

Preview Lab → · Contrast checker → · Palette generator →