#3864AF#3864AF

#3864AF is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.0% C 0.129 H 260.4°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3864AF
RGB	rgb(56, 100, 175)
HSL	hsl(218, 52%, 45%)
HSV	hsv(218, 68%, 69%)
CMYK	cmyk(68%, 42.9%, 0%, 31.4%)
CIE-LAB	lab(42.84, 9.97, -44.53)
CIE-LCH	lch(42.84, 45.63, 282.62°)
OKLab	oklab(51.03% -0.0216 -0.1271)
OKLCH	oklch(51.03% 0.129 260.4)
XYZ	xyz(13.9232, 13.0488, 42.3340)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864AF #AF8338

analogous

#389FAF #3864AF #4738AF

triadic

#3864AF #AF3864 #64AF38

tetradic

#3864AF #AF389F #AF8338 #38AF47

square

#3864AF #AF389F #AF8338 #38AF47

split-complementary

#3864AF #AF4738 #9FAF38

monochromatic

#1A2F52 #294A81 #3864AF #5A83CA #88A6D9

Accessibility & contrast

On white

5.82

#3864AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#3864AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864AF

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864AF	#FFFFFF	#000000	##FFFFFF
##3864AF	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416BB2

Deuteranopia (green-blind)

#2D60AD

Tritanopia (blue-blind)

#007581

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3864af;
/* rgb */ color: rgb(56, 100, 175);
/* oklch */ color: oklch(51.0% 0.129 260.4);

Tailwind

colors: {
  custom: {
    50: '#7c8fc7',
    500: '#3864af',
    950: '#000000',
  },
}

SCSS

$custom: #3864af;
$custom-light: #7c8fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3864af",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 175
  },
  "hsl": {
    "h": 217.815,
    "s": 51.515,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51029,
    "c": 0.12894,
    "h": 260.4
  },
  "luminance": 0.1305
}

Semantic roles & 50–950 ramp

primary

#3864AF

secondary

#C3AA80

accent

#A64DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3864AF

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

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