#3863C9#3863C9

#3863C9 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.6% C 0.166 H 264.3°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3863C9
RGB	rgb(56, 99, 201)
HSL	hsl(222, 57%, 50%)
HSV	hsv(222, 72%, 79%)
CMYK	cmyk(72.1%, 50.7%, 0%, 21.2%)
CIE-LAB	lab(44.20, 20.16, -57.45)
CIE-LCH	lch(44.20, 60.89, 289.34°)
OKLab	oklab(52.61% -0.0166 -0.1651)
OKLCH	oklch(52.61% 0.166 264.3)
XYZ	xyz(16.6316, 13.9797, 57.0689)
Luminance	0.1398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863C9 #C99E38

analogous

#38ABC9 #3863C9 #5538C9

triadic

#3863C9 #C93863 #63C938

tetradic

#3863C9 #C938AB #C99E38 #38C955

square

#3863C9 #C938AB #C99E38 #38C955

split-complementary

#3863C9 #C95538 #ABC938

monochromatic

#1D346A #2A4B9A #3863C9 #6889D6 #98AEE3

Accessibility & contrast

On white

5.53

#3863C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#3863C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863C9

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863C9	#FFFFFF	#000000	##FFFFFF
##3863C9	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2470CD

Deuteranopia (green-blind)

#0062C7

Tritanopia (blue-blind)

#007B8C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3863c9;
/* rgb */ color: rgb(56, 99, 201);
/* oklch */ color: oklch(52.6% 0.166 264.3);

Tailwind

colors: {
  custom: {
    50: '#818eda',
    500: '#3863c9',
    950: '#000000',
  },
}

SCSS

$custom: #3863c9;
$custom-light: #818eda;
$custom-dark: #000000;

JSON

{
  "hex": "#3863c9",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 201
  },
  "hsl": {
    "h": 222.207,
    "s": 57.312,
    "l": 50.392
  },
  "oklch": {
    "l": 0.52607,
    "c": 0.16597,
    "h": 264.3
  },
  "luminance": 0.13981
}

Semantic roles & 50–950 ramp

primary

#3863C9

secondary

#CFBC8E

accent

#B347E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3863C9

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

Preview Lab → · Contrast checker → · Palette generator →