#3863C8#3863C8

#3863C8 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.5% C 0.165 H 264.2°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#3863C8
RGB	rgb(56, 99, 200)
HSL	hsl(222, 57%, 50%)
HSV	hsv(222, 72%, 78%)
CMYK	cmyk(72%, 50.5%, 0%, 21.6%)
CIE-LAB	lab(44.14, 19.80, -56.99)
CIE-LCH	lch(44.14, 60.33, 289.16°)
OKLab	oklab(52.53% -0.0167 -0.1638)
OKLCH	oklch(52.53% 0.165 264.2)
XYZ	xyz(16.5144, 13.9328, 56.4513)
Luminance	0.1394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863C8 #C89D38

analogous

#38ABC8 #3863C8 #5538C8

triadic

#3863C8 #C83863 #63C838

tetradic

#3863C8 #C838AB #C89D38 #38C855

square

#3863C8 #C838AB #C89D38 #38C855

split-complementary

#3863C8 #C85538 #ABC838

monochromatic

#1D3469 #2A4B99 #3863C8 #6889D5 #98AEE3

Accessibility & contrast

On white

5.55

#3863C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#3863C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863C8

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863C8	#FFFFFF	#000000	##FFFFFF
##3863C8	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#266FCC

Deuteranopia (green-blind)

#0062C6

Tritanopia (blue-blind)

#007B8C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3863c8;
/* rgb */ color: rgb(56, 99, 200);
/* oklch */ color: oklch(52.5% 0.165 264.2);

Tailwind

colors: {
  custom: {
    50: '#818ed9',
    500: '#3863c8',
    950: '#000000',
  },
}

SCSS

$custom: #3863c8;
$custom-light: #818ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#3863c8",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 200
  },
  "hsl": {
    "h": 222.083,
    "s": 56.693,
    "l": 50.196
  },
  "oklch": {
    "l": 0.52534,
    "c": 0.16462,
    "h": 264.2
  },
  "luminance": 0.13935
}

Semantic roles & 50–950 ramp

primary

#3863C8

secondary

#CEBB8E

accent

#B348E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3863C8

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

Preview Lab → · Contrast checker → · Palette generator →