#4145BB#4145BB

#4145BB is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.2% C 0.182 H 275.2°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#4145BB
RGB	rgb(65, 69, 187)
HSL	hsl(238, 48%, 49%)
HSV	hsv(238, 65%, 73%)
CMYK	cmyk(65.2%, 63.1%, 0%, 26.7%)
CIE-LAB	lab(35.92, 35.62, -62.73)
CIE-LCH	lch(35.92, 72.14, 299.59°)
OKLab	oklab(46.21% 0.0165 -0.1808)
OKLCH	oklch(46.21% 0.182 275.2)
XYZ	xyz(13.2748, 8.9668, 48.0353)
Luminance	0.0897 (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

#4145BB #BBB741

analogous

#4182BB #4145BB #7A41BB

triadic

#4145BB #BB4145 #45BB41

tetradic

#4145BB #BB4182 #BBB741 #41BB7A

square

#4145BB #BB4182 #BBB741 #41BB7A

split-complementary

#4145BB #BB7A41 #82BB41

monochromatic

#212360 #31348E #4145BB #6D70CC #9A9DDC

Accessibility & contrast

On white

7.52

#4145BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#4145BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4145BB

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4145BB	#FFFFFF	#000000	##FFFFFF
##4145BB	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABF

Deuteranopia (green-blind)

#004FB9

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4145bb;
/* rgb */ color: rgb(65, 69, 187);
/* oklch */ color: oklch(46.2% 0.182 275.2);

Tailwind

colors: {
  custom: {
    50: '#8479d0',
    500: '#4145bb',
    950: '#000000',
  },
}

SCSS

$custom: #4145bb;
$custom-light: #8479d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4145bb",
  "rgb": {
    "r": 65,
    "g": 69,
    "b": 187
  },
  "hsl": {
    "h": 238.033,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.46208,
    "c": 0.18159,
    "h": 275.2
  },
  "luminance": 0.08968
}

Semantic roles & 50–950 ramp

primary

#4145BB

secondary

#C8C690

accent

#D450D8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4145BB

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

Preview Lab → · Contrast checker → · Palette generator →