#4247BD#4247BD

#4247BD is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.8% C 0.182 H 275.0°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#4247BD
RGB	rgb(66, 71, 189)
HSL	hsl(238, 48%, 50%)
HSV	hsv(238, 65%, 74%)
CMYK	cmyk(65.1%, 62.4%, 0%, 25.9%)
CIE-LAB	lab(36.63, 35.21, -62.75)
CIE-LCH	lch(36.63, 71.96, 299.29°)
OKLab	oklab(46.79% 0.0159 -0.1809)
OKLCH	oklch(46.79% 0.182 275)
XYZ	xyz(13.6823, 9.3377, 49.2156)
Luminance	0.0934 (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

#4247BD #BDB842

analogous

#4284BD #4247BD #7B42BD

triadic

#4247BD #BD4247 #47BD42

tetradic

#4247BD #BD4284 #BDB842 #42BD7B

square

#4247BD #BD4284 #BDB842 #42BD7B

split-complementary

#4247BD #BD7B42 #84BD42

monochromatic

#222562 #323690 #4247BD #6F73CD #9D9FDD

Accessibility & contrast

On white

7.32

#4247BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#4247BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4247BD

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4247BD	#FFFFFF	#000000	##FFFFFF
##4247BD	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC1

Deuteranopia (green-blind)

#0051BB

Tritanopia (blue-blind)

#00657B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4247bd;
/* rgb */ color: rgb(66, 71, 189);
/* oklch */ color: oklch(46.8% 0.182 275.0);

Tailwind

colors: {
  custom: {
    50: '#857ad2',
    500: '#4247bd',
    950: '#000000',
  },
}

SCSS

$custom: #4247bd;
$custom-light: #857ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#4247bd",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 189
  },
  "hsl": {
    "h": 237.561,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.46794,
    "c": 0.18156,
    "h": 275
  },
  "luminance": 0.09339
}

Semantic roles & 50–950 ramp

primary

#4247BD

secondary

#C9C792

accent

#D250D8

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4247BD

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

Preview Lab → · Contrast checker → · Palette generator →