#3864D5#3864D5

#3864D5 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.7% C 0.181 H 264.9°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3864D5
RGB	rgb(56, 100, 213)
HSL	hsl(223, 65%, 53%)
HSV	hsv(223, 74%, 84%)
CMYK	cmyk(73.7%, 53.1%, 0%, 16.5%)
CIE-LAB	lab(45.30, 23.94, -62.56)
CIE-LCH	lch(45.30, 66.99, 290.94°)
OKLab	oklab(53.7% -0.0162 -0.1802)
OKLCH	oklch(53.7% 0.181 264.9)
XYZ	xyz(18.1941, 14.7572, 64.8274)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864D5 #D5A938

analogous

#38B2D5 #3864D5 #5B38D5

triadic

#3864D5 #D53864 #64D538

tetradic

#3864D5 #D538B2 #D5A938 #38D55B

square

#3864D5 #D538B2 #D5A938 #38D55B

split-complementary

#3864D5 #D55B38 #B2D538

monochromatic

#1A3479 #244AAC #3864D5 #6B8BE0 #9DB3EA

Accessibility & contrast

On white

5.31

#3864D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#3864D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864D5

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864D5	#FFFFFF	#000000	##FFFFFF
##3864D5	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C73D9

Deuteranopia (green-blind)

#0064D3

Tritanopia (blue-blind)

#007F93

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3864d5;
/* rgb */ color: rgb(56, 100, 213);
/* oklch */ color: oklch(53.7% 0.181 264.9);

Tailwind

colors: {
  custom: {
    50: '#838fe3',
    500: '#3864d5',
    950: '#000000',
  },
}

SCSS

$custom: #3864d5;
$custom-light: #838fe3;
$custom-dark: #000000;

JSON

{
  "hex": "#3864d5",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 213
  },
  "hsl": {
    "h": 223.185,
    "s": 65.145,
    "l": 52.745
  },
  "oklch": {
    "l": 0.53702,
    "c": 0.18089,
    "h": 264.9
  },
  "luminance": 0.14759
}

Semantic roles & 50–950 ramp

primary

#3864D5

secondary

#D6C392

accent

#B940E8

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0C15

muted

#7D7D84

Preview Lab

Preview with #3864D5

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

Preview Lab → · Contrast checker → · Palette generator →