#3864BE#3864BE

#3864BE is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.0% C 0.150 H 262.7°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#3864BE
RGB	rgb(56, 100, 190)
HSL	hsl(220, 54%, 48%)
HSV	hsv(220, 71%, 75%)
CMYK	cmyk(70.5%, 47.4%, 0%, 25.5%)
CIE-LAB	lab(43.76, 15.47, -51.81)
CIE-LCH	lch(43.76, 54.07, 286.63°)
OKLab	oklab(52.04% -0.0189 -0.1485)
OKLCH	oklch(52.04% 0.15 262.7)
XYZ	xyz(15.4790, 13.6712, 50.5283)
Luminance	0.1367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864BE #BE9238

analogous

#38A7BE #3864BE #4F38BE

triadic

#3864BE #BE3864 #64BE38

tetradic

#3864BE #BE38A7 #BE9238 #38BE4F

square

#3864BE #BE38A7 #BE9238 #38BE4F

split-complementary

#3864BE #BE4F38 #A7BE38

monochromatic

#1C325F #2A4B8F #3864BE #6287D1 #92ABDF

Accessibility & contrast

On white

5.62

#3864BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#3864BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864BE

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864BE	#FFFFFF	#000000	##FFFFFF
##3864BE	1.00	5.62	3.73	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#346EC1

Deuteranopia (green-blind)

#1462BC

Tritanopia (blue-blind)

#007988

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3864be;
/* rgb */ color: rgb(56, 100, 190);
/* oklch */ color: oklch(52.0% 0.150 262.7);

Tailwind

colors: {
  custom: {
    50: '#7f8fd2',
    500: '#3864be',
    950: '#000000',
  },
}

SCSS

$custom: #3864be;
$custom-light: #7f8fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3864be",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 190
  },
  "hsl": {
    "h": 220.299,
    "s": 54.472,
    "l": 48.235
  },
  "oklch": {
    "l": 0.52035,
    "c": 0.14972,
    "h": 262.7
  },
  "luminance": 0.13673
}

Semantic roles & 50–950 ramp

primary

#3864BE

secondary

#CAB488

accent

#AD4ADE

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3864BE

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

Preview Lab → · Contrast checker → · Palette generator →