#3863BA#3863BA

#3863BA is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.5% C 0.145 H 262.6°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#3863BA
RGB	rgb(56, 99, 186)
HSL	hsl(220, 54%, 47%)
HSV	hsv(220, 70%, 73%)
CMYK	cmyk(69.9%, 46.8%, 0%, 27.1%)
CIE-LAB	lab(43.22, 14.64, -50.34)
CIE-LCH	lch(43.22, 52.43, 286.22°)
OKLab	oklab(51.54% -0.0186 -0.1442)
OKLCH	oklch(51.54% 0.145 262.6)
XYZ	xyz(14.9525, 13.3081, 48.2256)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863BA #BA8F38

analogous

#38A4BA #3863BA #4E38BA

triadic

#3863BA #BA3863 #63BA38

tetradic

#3863BA #BA38A4 #BA8F38 #38BA4E

square

#3863BA #BA38A4 #BA8F38 #38BA4E

split-complementary

#3863BA #BA4E38 #A4BA38

monochromatic

#1C315C #2A4A8B #3863BA #6085CF #8FA9DD

Accessibility & contrast

On white

5.73

#3863BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#3863BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863BA

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863BA	#FFFFFF	#000000	##FFFFFF
##3863BA	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366CBD

Deuteranopia (green-blind)

#1961B8

Tritanopia (blue-blind)

#007785

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3863ba;
/* rgb */ color: rgb(56, 99, 186);
/* oklch */ color: oklch(51.5% 0.145 262.6);

Tailwind

colors: {
  custom: {
    50: '#7e8ecf',
    500: '#3863ba',
    950: '#000000',
  },
}

SCSS

$custom: #3863ba;
$custom-light: #7e8ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3863ba",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 186
  },
  "hsl": {
    "h": 220.154,
    "s": 53.719,
    "l": 47.451
  },
  "oklch": {
    "l": 0.51544,
    "c": 0.14542,
    "h": 262.6
  },
  "luminance": 0.1331
}

Semantic roles & 50–950 ramp

primary

#3863BA

secondary

#C8B286

accent

#AD4BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3863BA

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

Preview Lab → · Contrast checker → · Palette generator →