#3863C5#3863C5

#3863C5 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.3% C 0.161 H 263.9°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#3863C5
RGB	rgb(56, 99, 197)
HSL	hsl(222, 56%, 50%)
HSV	hsv(222, 72%, 77%)
CMYK	cmyk(71.6%, 49.7%, 0%, 22.7%)
CIE-LAB	lab(43.94, 18.69, -55.58)
CIE-LCH	lch(43.94, 58.64, 288.59°)
OKLab	oklab(52.32% -0.0171 -0.1596)
OKLCH	oklch(52.32% 0.161 263.9)
XYZ	xyz(16.1672, 13.7939, 54.6230)
Luminance	0.1380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863C5 #C59A38

analogous

#38AAC5 #3863C5 #5438C5

triadic

#3863C5 #C53863 #63C538

tetradic

#3863C5 #C538AA #C59A38 #38C554

square

#3863C5 #C538AA #C59A38 #38C554

split-complementary

#3863C5 #C55438 #AAC538

monochromatic

#1D3366 #2A4B95 #3863C5 #6788D4 #96ADE1

Accessibility & contrast

On white

5.59

#3863C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3863C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863C5

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863C5	#FFFFFF	#000000	##FFFFFF
##3863C5	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A6FC9

Deuteranopia (green-blind)

#0062C3

Tritanopia (blue-blind)

#007A8A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3863c5;
/* rgb */ color: rgb(56, 99, 197);
/* oklch */ color: oklch(52.3% 0.161 263.9);

Tailwind

colors: {
  custom: {
    50: '#808ed7',
    500: '#3863c5',
    950: '#000000',
  },
}

SCSS

$custom: #3863c5;
$custom-light: #808ed7;
$custom-dark: #000000;

JSON

{
  "hex": "#3863c5",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 197
  },
  "hsl": {
    "h": 221.702,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.52317,
    "c": 0.16053,
    "h": 263.9
  },
  "luminance": 0.13796
}

Semantic roles & 50–950 ramp

primary

#3863C5

secondary

#CDB98C

accent

#B149DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3863C5

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

Preview Lab → · Contrast checker → · Palette generator →