#3864C0#3864C0

#3864C0 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.2% C 0.152 H 263.0°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#3864C0
RGB	rgb(56, 100, 192)
HSL	hsl(221, 55%, 49%)
HSV	hsv(221, 71%, 75%)
CMYK	cmyk(70.8%, 47.9%, 0%, 24.7%)
CIE-LAB	lab(43.89, 16.21, -52.77)
CIE-LCH	lch(43.89, 55.20, 287.08°)
OKLab	oklab(52.17% -0.0186 -0.1513)
OKLCH	oklch(52.17% 0.152 263)
XYZ	xyz(15.6991, 13.7592, 51.6874)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864C0 #C09438

analogous

#38A8C0 #3864C0 #5038C0

triadic

#3864C0 #C03864 #64C038

tetradic

#3864C0 #C038A8 #C09438 #38C050

square

#3864C0 #C038A8 #C09438 #38C050

split-complementary

#3864C0 #C05038 #A8C038

monochromatic

#1C3361 #2A4B91 #3864C0 #6487D2 #93ACDF

Accessibility & contrast

On white

5.60

#3864C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3864C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864C0

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864C0	#FFFFFF	#000000	##FFFFFF
##3864C0	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326EC3

Deuteranopia (green-blind)

#0D62BE

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3864c0;
/* rgb */ color: rgb(56, 100, 192);
/* oklch */ color: oklch(52.2% 0.152 263.0);

Tailwind

colors: {
  custom: {
    50: '#7f8fd4',
    500: '#3864c0',
    950: '#000000',
  },
}

SCSS

$custom: #3864c0;
$custom-light: #7f8fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3864c0",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 192
  },
  "hsl": {
    "h": 220.588,
    "s": 54.839,
    "l": 48.627
  },
  "oklch": {
    "l": 0.52174,
    "c": 0.15247,
    "h": 263
  },
  "luminance": 0.13761
}

Semantic roles & 50–950 ramp

primary

#3864C0

secondary

#CBB589

accent

#AE4ADE

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3864C0

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

Preview Lab → · Contrast checker → · Palette generator →