#3863C7#3863C7

#3863C7 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.5% C 0.163 H 264.1°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#3863C7
RGB	rgb(56, 99, 199)
HSL	hsl(222, 56%, 50%)
HSV	hsv(222, 72%, 78%)
CMYK	cmyk(71.9%, 50.3%, 0%, 22%)
CIE-LAB	lab(44.07, 19.43, -56.52)
CIE-LCH	lch(44.07, 59.76, 288.97°)
OKLab	oklab(52.46% -0.0168 -0.1624)
OKLCH	oklch(52.46% 0.163 264.1)
XYZ	xyz(16.3979, 13.8862, 55.8379)
Luminance	0.1389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863C7 #C79C38

analogous

#38AAC7 #3863C7 #5538C7

triadic

#3863C7 #C73863 #63C738

tetradic

#3863C7 #C738AA #C79C38 #38C755

square

#3863C7 #C738AA #C79C38 #38C755

split-complementary

#3863C7 #C75538 #AAC738

monochromatic

#1D3367 #2B4B97 #3863C7 #6888D4 #98AEE2

Accessibility & contrast

On white

5.56

#3863C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#3863C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863C7

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863C7	#FFFFFF	#000000	##FFFFFF
##3863C7	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#276FCB

Deuteranopia (green-blind)

#0062C5

Tritanopia (blue-blind)

#007B8B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3863c7;
/* rgb */ color: rgb(56, 99, 199);
/* oklch */ color: oklch(52.5% 0.163 264.1);

Tailwind

colors: {
  custom: {
    50: '#818ed9',
    500: '#3863c7',
    950: '#000000',
  },
}

SCSS

$custom: #3863c7;
$custom-light: #818ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#3863c7",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 199
  },
  "hsl": {
    "h": 221.958,
    "s": 56.078,
    "l": 50
  },
  "oklch": {
    "l": 0.52461,
    "c": 0.16326,
    "h": 264.1
  },
  "luminance": 0.13888
}

Semantic roles & 50–950 ramp

primary

#3863C7

secondary

#CDBA8D

accent

#B248DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3863C7

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

Preview Lab → · Contrast checker → · Palette generator →