#3864C2#3864C2

#3864C2 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.3% C 0.155 H 263.2°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#3864C2
RGB	rgb(56, 100, 194)
HSL	hsl(221, 55%, 49%)
HSV	hsv(221, 71%, 76%)
CMYK	cmyk(71.1%, 48.5%, 0%, 23.9%)
CIE-LAB	lab(44.01, 16.94, -53.72)
CIE-LCH	lch(44.01, 56.33, 287.51°)
OKLab	oklab(52.31% -0.0184 -0.1541)
OKLCH	oklch(52.31% 0.155 263.2)
XYZ	xyz(15.9222, 13.8485, 52.8624)
Luminance	0.1385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864C2 #C29638

analogous

#38A9C2 #3864C2 #5138C2

triadic

#3864C2 #C23864 #64C238

tetradic

#3864C2 #C238A9 #C29638 #38C251

square

#3864C2 #C238A9 #C29638 #38C251

split-complementary

#3864C2 #C25138 #A9C238

monochromatic

#1D3363 #2A4C93 #3864C2 #6588D2 #94ACE0

Accessibility & contrast

On white

5.57

#3864C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#3864C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864C2

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864C2	#FFFFFF	#000000	##FFFFFF
##3864C2	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#306FC5

Deuteranopia (green-blind)

#0462C0

Tritanopia (blue-blind)

#007A8A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3864c2;
/* rgb */ color: rgb(56, 100, 194);
/* oklch */ color: oklch(52.3% 0.155 263.2);

Tailwind

colors: {
  custom: {
    50: '#7f8fd5',
    500: '#3864c2',
    950: '#000000',
  },
}

SCSS

$custom: #3864c2;
$custom-light: #7f8fd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3864c2",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 194
  },
  "hsl": {
    "h": 220.87,
    "s": 55.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.52314,
    "c": 0.15522,
    "h": 263.2
  },
  "luminance": 0.1385
}

Semantic roles & 50–950 ramp

primary

#3864C2

secondary

#CBB78A

accent

#AF49DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3864C2

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

Preview Lab → · Contrast checker → · Palette generator →