#3863D9#3863D9

#3863D9 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.8% C 0.187 H 265.4°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3863D9
RGB	rgb(56, 99, 217)
HSL	hsl(224, 68%, 54%)
HSV	hsv(224, 74%, 85%)
CMYK	cmyk(74.2%, 54.4%, 0%, 14.9%)
CIE-LAB	lab(45.32, 26.04, -64.81)
CIE-LCH	lch(45.32, 69.85, 291.89°)
OKLab	oklab(53.81% -0.0152 -0.1868)
OKLCH	oklch(53.81% 0.187 265.4)
XYZ	xyz(18.6127, 14.7721, 67.5026)
Luminance	0.1477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863D9 #D9AE38

analogous

#38B3D9 #3863D9 #5D38D9

triadic

#3863D9 #D93863 #63D938

tetradic

#3863D9 #D938B3 #D9AE38 #38D95D

square

#3863D9 #D938B3 #D9AE38 #38D95D

split-complementary

#3863D9 #D95D38 #B3D938

monochromatic

#18337E #2248B2 #3863D9 #6B8BE3 #9FB4ED

Accessibility & contrast

On white

5.31

#3863D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#3863D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863D9

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863D9	#FFFFFF	#000000	##FFFFFF
##3863D9	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073DD

Deuteranopia (green-blind)

#0064D7

Tritanopia (blue-blind)

#008094

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3863d9;
/* rgb */ color: rgb(56, 99, 217);
/* oklch */ color: oklch(53.8% 0.187 265.4);

Tailwind

colors: {
  custom: {
    50: '#848ee6',
    500: '#3863d9',
    950: '#000000',
  },
}

SCSS

$custom: #3863d9;
$custom-light: #848ee6;
$custom-dark: #000000;

JSON

{
  "hex": "#3863d9",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 217
  },
  "hsl": {
    "h": 223.975,
    "s": 67.932,
    "l": 53.529
  },
  "oklch": {
    "l": 0.53807,
    "c": 0.1874,
    "h": 265.4
  },
  "luminance": 0.14774
}

Semantic roles & 50–950 ramp

primary

#3863D9

secondary

#D9C694

accent

#BC3DEB

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0C16

muted

#7D7D84

Preview Lab

Preview with #3863D9

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

Preview Lab → · Contrast checker → · Palette generator →