#4147BB#4147BB

#4147BB is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.6% C 0.179 H 274.7°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#4147BB
RGB	rgb(65, 71, 187)
HSL	hsl(237, 48%, 49%)
HSV	hsv(237, 65%, 73%)
CMYK	cmyk(65.2%, 62%, 0%, 26.7%)
CIE-LAB	lab(36.40, 34.37, -61.95)
CIE-LCH	lch(36.40, 70.85, 299.02°)
OKLab	oklab(46.56% 0.0148 -0.1785)
OKLCH	oklch(46.56% 0.179 274.7)
XYZ	xyz(13.3999, 9.2170, 48.0770)
Luminance	0.0922 (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

#4147BB #BBB541

analogous

#4184BB #4147BB #7841BB

triadic

#4147BB #BB4147 #47BB41

tetradic

#4147BB #BB4184 #BBB541 #41BB78

square

#4147BB #BB4184 #BBB541 #41BB78

split-complementary

#4147BB #BB7841 #84BB41

monochromatic

#212560 #31368E #4147BB #6D72CC #9A9EDC

Accessibility & contrast

On white

7.39

#4147BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#4147BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4147BB

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4147BB	#FFFFFF	#000000	##FFFFFF
##4147BB	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBF

Deuteranopia (green-blind)

#0050B9

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4147bb;
/* rgb */ color: rgb(65, 71, 187);
/* oklch */ color: oklch(46.6% 0.179 274.7);

Tailwind

colors: {
  custom: {
    50: '#847ad0',
    500: '#4147bb',
    950: '#000000',
  },
}

SCSS

$custom: #4147bb;
$custom-light: #847ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4147bb",
  "rgb": {
    "r": 65,
    "g": 71,
    "b": 187
  },
  "hsl": {
    "h": 237.049,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.46559,
    "c": 0.17915,
    "h": 274.7
  },
  "luminance": 0.09218
}

Semantic roles & 50–950 ramp

primary

#4147BB

secondary

#C8C590

accent

#D150D8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4147BB

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

Preview Lab → · Contrast checker → · Palette generator →