#4247BF#4247BF

#4247BF is a mid, vivid blue. Relative luminance 0.094; OKLCH L 47.0% C 0.184 H 274.9°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#4247BF
RGB	rgb(66, 71, 191)
HSL	hsl(238, 49%, 50%)
HSV	hsv(238, 65%, 75%)
CMYK	cmyk(65.4%, 62.8%, 0%, 25.1%)
CIE-LAB	lab(36.79, 35.89, -63.66)
CIE-LCH	lch(36.79, 73.08, 299.41°)
OKLab	oklab(46.97% 0.0158 -0.1835)
OKLCH	oklch(46.97% 0.184 274.9)
XYZ	xyz(13.9009, 9.4251, 50.3668)
Luminance	0.0943 (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

#4247BF #BFBA42

analogous

#4285BF #4247BF #7B42BF

triadic

#4247BF #BF4247 #47BF42

tetradic

#4247BF #BF4285 #BFBA42 #42BF7B

square

#4247BF #BF4285 #BFBA42 #42BF7B

split-complementary

#4247BF #BF7B42 #85BF42

monochromatic

#222565 #323592 #4247BF #7074CE #9DA0DE

Accessibility & contrast

On white

7.28

#4247BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#4247BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4247BF

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4247BF	#FFFFFF	#000000	##FFFFFF
##4247BF	1.00	7.28	2.89	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC3

Deuteranopia (green-blind)

#0051BD

Tritanopia (blue-blind)

#00657C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4247bf;
/* rgb */ color: rgb(66, 71, 191);
/* oklch */ color: oklch(47.0% 0.184 274.9);

Tailwind

colors: {
  custom: {
    50: '#857ad3',
    500: '#4247bf',
    950: '#000000',
  },
}

SCSS

$custom: #4247bf;
$custom-light: #857ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#4247bf",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 191
  },
  "hsl": {
    "h": 237.6,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.46965,
    "c": 0.1842,
    "h": 274.9
  },
  "luminance": 0.09426
}

Semantic roles & 50–950 ramp

primary

#4247BF

secondary

#CAC893

accent

#D34FD9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4247BF

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

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