#3863D3#3863D3

#3863D3 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.3% C 0.179 H 265.0°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#3863D3
RGB	rgb(56, 99, 211)
HSL	hsl(223, 64%, 52%)
HSV	hsv(223, 73%, 83%)
CMYK	cmyk(73.5%, 53.1%, 0%, 17.3%)
CIE-LAB	lab(44.89, 23.84, -62.08)
CIE-LCH	lch(44.89, 66.50, 291.01°)
OKLab	oklab(53.35% -0.0156 -0.1787)
OKLCH	oklch(53.35% 0.179 265)
XYZ	xyz(17.8465, 14.4656, 63.4670)
Luminance	0.1447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863D3 #D3A838

analogous

#38B0D3 #3863D3 #5B38D3

triadic

#3863D3 #D33863 #63D338

tetradic

#3863D3 #D338B0 #D3A838 #38D35B

square

#3863D3 #D338B0 #D3A838 #38D35B

split-complementary

#3863D3 #D35B38 #B0D338

monochromatic

#1A3476 #254AA9 #3863D3 #6A8ADE #9CB2E9

Accessibility & contrast

On white

5.39

#3863D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#3863D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863D3

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863D3	#FFFFFF	#000000	##FFFFFF
##3863D3	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D72D7

Deuteranopia (green-blind)

#0063D1

Tritanopia (blue-blind)

#007E91

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3863d3;
/* rgb */ color: rgb(56, 99, 211);
/* oklch */ color: oklch(53.3% 0.179 265.0);

Tailwind

colors: {
  custom: {
    50: '#838ee1',
    500: '#3863d3',
    950: '#000000',
  },
}

SCSS

$custom: #3863d3;
$custom-light: #838ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#3863d3",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 211
  },
  "hsl": {
    "h": 223.355,
    "s": 63.786,
    "l": 52.353
  },
  "oklch": {
    "l": 0.53349,
    "c": 0.17943,
    "h": 265
  },
  "luminance": 0.14468
}

Semantic roles & 50–950 ramp

primary

#3863D3

secondary

#D5C292

accent

#B941E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3863D3

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

Preview Lab → · Contrast checker → · Palette generator →