#3864BD#3864BD

#3864BD is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.0% C 0.148 H 262.6°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3864BD
RGB	rgb(56, 100, 189)
HSL	hsl(220, 54%, 48%)
HSV	hsv(220, 70%, 74%)
CMYK	cmyk(70.4%, 47.1%, 0%, 25.9%)
CIE-LAB	lab(43.69, 15.10, -51.33)
CIE-LCH	lch(43.69, 53.51, 286.40°)
OKLab	oklab(51.97% -0.0191 -0.1471)
OKLCH	oklch(51.97% 0.148 262.6)
XYZ	xyz(15.3701, 13.6276, 49.9546)
Luminance	0.1363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864BD #BD9138

analogous

#38A7BD #3864BD #4E38BD

triadic

#3864BD #BD3864 #64BD38

tetradic

#3864BD #BD38A7 #BD9138 #38BD4E

square

#3864BD #BD38A7 #BD9138 #38BD4E

split-complementary

#3864BD #BD4E38 #A7BD38

monochromatic

#1C325F #2A4B8E #3864BD #6286D0 #91ABDE

Accessibility & contrast

On white

5.64

#3864BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#3864BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864BD

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864BD	#FFFFFF	#000000	##FFFFFF
##3864BD	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356EC0

Deuteranopia (green-blind)

#1662BB

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3864bd;
/* rgb */ color: rgb(56, 100, 189);
/* oklch */ color: oklch(52.0% 0.148 262.6);

Tailwind

colors: {
  custom: {
    50: '#7e8fd1',
    500: '#3864bd',
    950: '#000000',
  },
}

SCSS

$custom: #3864bd;
$custom-light: #7e8fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3864bd",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 189
  },
  "hsl": {
    "h": 220.15,
    "s": 54.286,
    "l": 48.039
  },
  "oklch": {
    "l": 0.51966,
    "c": 0.14834,
    "h": 262.6
  },
  "luminance": 0.13629
}

Semantic roles & 50–950 ramp

primary

#3864BD

secondary

#C9B487

accent

#AD4ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3864BD

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

Preview Lab → · Contrast checker → · Palette generator →