#3847BF#3847BF

#3847BF is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.4% C 0.187 H 271.5°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#3847BF
RGB	rgb(56, 71, 191)
HSL	hsl(233, 55%, 48%)
HSV	hsv(233, 71%, 75%)
CMYK	cmyk(70.7%, 62.8%, 0%, 25.1%)
CIE-LAB	lab(36.19, 34.52, -64.66)
CIE-LCH	lch(36.19, 73.30, 298.10°)
OKLab	oklab(46.37% 0.0048 -0.1867)
OKLCH	oklch(46.37% 0.187 271.5)
XYZ	xyz(13.2849, 9.1075, 50.3379)
Luminance	0.0911 (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

#3847BF #BFB038

analogous

#388ABF #3847BF #6C38BF

triadic

#3847BF #BF3847 #47BF38

tetradic

#3847BF #BF388A #BFB038 #38BF6C

square

#3847BF #BF388A #BFB038 #38BF6C

split-complementary

#3847BF #BF6C38 #8ABF38

monochromatic

#1C2460 #2A3590 #3847BF #636FD1 #929BDF

Accessibility & contrast

On white

7.44

#3847BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3847BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3847BF

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3847BF	#FFFFFF	#000000	##FFFFFF
##3847BF	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC3

Deuteranopia (green-blind)

#004FBD

Tritanopia (blue-blind)

#00667C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3847bf;
/* rgb */ color: rgb(56, 71, 191);
/* oklch */ color: oklch(46.4% 0.187 271.5);

Tailwind

colors: {
  custom: {
    50: '#817ad3',
    500: '#3847bf',
    950: '#000000',
  },
}

SCSS

$custom: #3847bf;
$custom-light: #817ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3847bf",
  "rgb": {
    "r": 56,
    "g": 71,
    "b": 191
  },
  "hsl": {
    "h": 233.333,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.46366,
    "c": 0.18677,
    "h": 271.5
  },
  "luminance": 0.09109
}

Semantic roles & 50–950 ramp

primary

#3847BF

secondary

#CAC389

accent

#CE4ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3847BF

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

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