#3864DA#3864DA

#3864DA is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.1% C 0.188 H 265.2°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3864DA
RGB	rgb(56, 100, 218)
HSL	hsl(224, 69%, 54%)
HSV	hsv(224, 74%, 85%)
CMYK	cmyk(74.3%, 54.1%, 0%, 14.5%)
CIE-LAB	lab(45.65, 25.77, -64.84)
CIE-LCH	lch(45.65, 69.77, 291.68°)
OKLab	oklab(54.08% -0.0158 -0.1868)
OKLCH	oklch(54.08% 0.188 265.2)
XYZ	xyz(18.8385, 15.0150, 68.2214)
Luminance	0.1502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864DA #DAAE38

analogous

#38B5DA #3864DA #5D38DA

triadic

#3864DA #DA3864 #64DA38

tetradic

#3864DA #DA38B5 #DAAE38 #38DA5D

square

#3864DA #DA38B5 #DAAE38 #38DA5D

split-complementary

#3864DA #DA5D38 #B5DA38

monochromatic

#183480 #2149B3 #3864DA #6C8CE4 #9FB4ED

Accessibility & contrast

On white

5.25

#3864DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#3864DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864DA

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864DA	#FFFFFF	#000000	##FFFFFF
##3864DA	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074DE

Deuteranopia (green-blind)

#0065D8

Tritanopia (blue-blind)

#008195

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3864da;
/* rgb */ color: rgb(56, 100, 218);
/* oklch */ color: oklch(54.1% 0.188 265.2);

Tailwind

colors: {
  custom: {
    50: '#858fe6',
    500: '#3864da',
    950: '#000000',
  },
}

SCSS

$custom: #3864da;
$custom-light: #858fe6;
$custom-dark: #000000;

JSON

{
  "hex": "#3864da",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 218
  },
  "hsl": {
    "h": 223.704,
    "s": 68.644,
    "l": 53.725
  },
  "oklch": {
    "l": 0.54082,
    "c": 0.18752,
    "h": 265.2
  },
  "luminance": 0.15017
}

Semantic roles & 50–950 ramp

primary

#3864DA

secondary

#DAC794

accent

#BC3CEB

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0C16

muted

#7D7D84

Preview Lab

Preview with #3864DA

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

Preview Lab → · Contrast checker → · Palette generator →