#3863C0#3863C0

#3863C0 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.0% C 0.154 H 263.4°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#3863C0
RGB	rgb(56, 99, 192)
HSL	hsl(221, 55%, 49%)
HSV	hsv(221, 71%, 75%)
CMYK	cmyk(70.8%, 48.4%, 0%, 24.7%)
CIE-LAB	lab(43.61, 16.85, -53.21)
CIE-LCH	lch(43.61, 55.82, 287.57°)
OKLab	oklab(51.96% -0.0177 -0.1527)
OKLCH	oklch(51.96% 0.154 263.4)
XYZ	xyz(15.6038, 13.5686, 51.6556)
Luminance	0.1357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863C0 #C09538

analogous

#38A7C0 #3863C0 #5138C0

triadic

#3863C0 #C03863 #63C038

tetradic

#3863C0 #C038A7 #C09538 #38C051

square

#3863C0 #C038A7 #C09538 #38C051

split-complementary

#3863C0 #C05138 #A7C038

monochromatic

#1C3261 #2A4B91 #3863C0 #6486D2 #93ABDF

Accessibility & contrast

On white

5.65

#3863C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3863C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863C0

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863C0	#FFFFFF	#000000	##FFFFFF
##3863C0	1.00	5.65	3.71	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#306EC3

Deuteranopia (green-blind)

#0661BE

Tritanopia (blue-blind)

#007988

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3863c0;
/* rgb */ color: rgb(56, 99, 192);
/* oklch */ color: oklch(52.0% 0.154 263.4);

Tailwind

colors: {
  custom: {
    50: '#7f8ed4',
    500: '#3863c0',
    950: '#000000',
  },
}

SCSS

$custom: #3863c0;
$custom-light: #7f8ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#3863c0",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 192
  },
  "hsl": {
    "h": 221.029,
    "s": 54.839,
    "l": 48.627
  },
  "oklch": {
    "l": 0.51962,
    "c": 0.15369,
    "h": 263.4
  },
  "luminance": 0.1357
}

Semantic roles & 50–950 ramp

primary

#3863C0

secondary

#CBB689

accent

#AF4ADE

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3863C0

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

Preview Lab → · Contrast checker → · Palette generator →