#3863C4#3863C4

#3863C4 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.2% C 0.159 H 263.8°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#3863C4
RGB	rgb(56, 99, 196)
HSL	hsl(222, 56%, 49%)
HSV	hsv(222, 71%, 77%)
CMYK	cmyk(71.4%, 49.5%, 0%, 23.1%)
CIE-LAB	lab(43.87, 18.32, -55.11)
CIE-LCH	lch(43.87, 58.07, 288.39°)
OKLab	oklab(52.25% -0.0172 -0.1582)
OKLCH	oklch(52.25% 0.159 263.8)
XYZ	xyz(16.0530, 13.7483, 54.0215)
Luminance	0.1375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863C4 #C49938

analogous

#38A9C4 #3863C4 #5338C4

triadic

#3863C4 #C43863 #63C438

tetradic

#3863C4 #C438A9 #C49938 #38C453

square

#3863C4 #C438A9 #C49938 #38C453

split-complementary

#3863C4 #C45338 #A9C438

monochromatic

#1D3365 #2A4B94 #3863C4 #6688D3 #96ADE1

Accessibility & contrast

On white

5.60

#3863C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3863C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863C4

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863C4	#FFFFFF	#000000	##FFFFFF
##3863C4	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6EC8

Deuteranopia (green-blind)

#0062C2

Tritanopia (blue-blind)

#007A8A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3863c4;
/* rgb */ color: rgb(56, 99, 196);
/* oklch */ color: oklch(52.2% 0.159 263.8);

Tailwind

colors: {
  custom: {
    50: '#808ed6',
    500: '#3863c4',
    950: '#000000',
  },
}

SCSS

$custom: #3863c4;
$custom-light: #808ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#3863c4",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 196
  },
  "hsl": {
    "h": 221.571,
    "s": 55.556,
    "l": 49.412
  },
  "oklch": {
    "l": 0.52246,
    "c": 0.15917,
    "h": 263.8
  },
  "luminance": 0.1375
}

Semantic roles & 50–950 ramp

primary

#3863C4

secondary

#CCB88C

accent

#B149DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3863C4

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

Preview Lab → · Contrast checker → · Palette generator →