#4545BB#4545BB

#4545BB is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.5% C 0.181 H 276.7°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#4545BB
RGB	rgb(69, 69, 187)
HSL	hsl(240, 46%, 50%)
HSV	hsv(240, 63%, 73%)
CMYK	cmyk(63.1%, 63.1%, 0%, 26.7%)
CIE-LAB	lab(36.19, 36.23, -62.28)
CIE-LCH	lch(36.19, 72.05, 300.19°)
OKLab	oklab(46.48% 0.0212 -0.1794)
OKLCH	oklch(46.48% 0.181 276.7)
XYZ	xyz(13.5491, 9.1082, 48.0481)
Luminance	0.0911 (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

#4545BB #BBBB45

analogous

#4580BB #4545BB #8045BB

triadic

#4545BB #BB4545 #45BB45

tetradic

#4545BB #BB4580 #BBBB45 #45BB80

square

#4545BB #BB4580 #BBBB45 #45BB80

split-complementary

#4545BB #BB8045 #80BB45

monochromatic

#242462 #34348F #4545BB #7272CB #9F9FDC

Accessibility & contrast

On white

7.44

#4545BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#4545BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4545BB

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4545BB	#FFFFFF	#000000	##FFFFFF
##4545BB	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	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: #4545bb;
/* rgb */ color: rgb(69, 69, 187);
/* oklch */ color: oklch(46.5% 0.181 276.7);

Tailwind

colors: {
  custom: {
    50: '#8679d0',
    500: '#4545bb',
    950: '#000000',
  },
}

SCSS

$custom: #4545bb;
$custom-light: #8679d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4545bb",
  "rgb": {
    "r": 69,
    "g": 69,
    "b": 187
  },
  "hsl": {
    "h": 240,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.46477,
    "c": 0.18065,
    "h": 276.7
  },
  "luminance": 0.09109
}

Semantic roles & 50–950 ramp

primary

#4545BB

secondary

#C8C894

accent

#D652D6

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4545BB

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

Preview Lab → · Contrast checker → · Palette generator →