#4144BB#4144BB

#4144BB is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.0% C 0.183 H 275.4°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#4144BB
RGB	rgb(65, 68, 187)
HSL	hsl(239, 48%, 49%)
HSV	hsv(239, 65%, 73%)
CMYK	cmyk(65.2%, 63.6%, 0%, 26.7%)
CIE-LAB	lab(35.68, 36.25, -63.12)
CIE-LCH	lch(35.68, 72.79, 299.87°)
OKLab	oklab(46.04% 0.0173 -0.182)
OKLCH	oklch(46.04% 0.183 275.4)
XYZ	xyz(13.2138, 8.8448, 48.0149)
Luminance	0.0885 (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

#4144BB #BBB841

analogous

#4181BB #4144BB #7B41BB

triadic

#4144BB #BB4144 #44BB41

tetradic

#4144BB #BB4181 #BBB841 #41BB7B

square

#4144BB #BB4181 #BBB841 #41BB7B

split-complementary

#4144BB #BB7B41 #81BB41

monochromatic

#212360 #31338E #4144BB #6D6FCC #9A9CDC

Accessibility & contrast

On white

7.58

#4144BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#4144BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4144BB

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4144BB	#FFFFFF	#000000	##FFFFFF
##4144BB	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BF

Deuteranopia (green-blind)

#004FB9

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4144bb;
/* rgb */ color: rgb(65, 68, 187);
/* oklch */ color: oklch(46.0% 0.183 275.4);

Tailwind

colors: {
  custom: {
    50: '#8478d0',
    500: '#4144bb',
    950: '#000000',
  },
}

SCSS

$custom: #4144bb;
$custom-light: #8478d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4144bb",
  "rgb": {
    "r": 65,
    "g": 68,
    "b": 187
  },
  "hsl": {
    "h": 238.525,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.46035,
    "c": 0.1828,
    "h": 275.4
  },
  "luminance": 0.08846
}

Semantic roles & 50–950 ramp

primary

#4144BB

secondary

#C8C790

accent

#D550D8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4144BB

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

Preview Lab → · Contrast checker → · Palette generator →