#3864C1#3864C1

#3864C1 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.2% C 0.154 H 263.1°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#3864C1
RGB	rgb(56, 100, 193)
HSL	hsl(221, 55%, 49%)
HSV	hsv(221, 71%, 76%)
CMYK	cmyk(71%, 48.2%, 0%, 24.3%)
CIE-LAB	lab(43.95, 16.58, -53.24)
CIE-LCH	lch(43.95, 55.76, 287.29°)
OKLab	oklab(52.24% -0.0185 -0.1527)
OKLCH	oklch(52.24% 0.154 263.1)
XYZ	xyz(15.8103, 13.8037, 52.2729)
Luminance	0.1381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864C1 #C19538

analogous

#38A9C1 #3864C1 #5138C1

triadic

#3864C1 #C13864 #64C138

tetradic

#3864C1 #C138A9 #C19538 #38C151

square

#3864C1 #C138A9 #C19538 #38C151

split-complementary

#3864C1 #C15138 #A9C138

monochromatic

#1C3362 #2A4B92 #3864C1 #6487D2 #94ACE0

Accessibility & contrast

On white

5.58

#3864C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3864C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864C1

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864C1	#FFFFFF	#000000	##FFFFFF
##3864C1	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#316FC4

Deuteranopia (green-blind)

#0962BF

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3864c1;
/* rgb */ color: rgb(56, 100, 193);
/* oklch */ color: oklch(52.2% 0.154 263.1);

Tailwind

colors: {
  custom: {
    50: '#7f8fd4',
    500: '#3864c1',
    950: '#000000',
  },
}

SCSS

$custom: #3864c1;
$custom-light: #7f8fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3864c1",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 193
  },
  "hsl": {
    "h": 220.73,
    "s": 55.02,
    "l": 48.824
  },
  "oklch": {
    "l": 0.52244,
    "c": 0.15385,
    "h": 263.1
  },
  "luminance": 0.13805
}

Semantic roles & 50–950 ramp

primary

#3864C1

secondary

#CBB68A

accent

#AF49DE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3864C1

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

Preview Lab → · Contrast checker → · Palette generator →