#3863AC#3863AC

#3863AC is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.6% C 0.126 H 260.3°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#3863AC
RGB	rgb(56, 99, 172)
HSL	hsl(218, 51%, 45%)
HSV	hsv(218, 67%, 67%)
CMYK	cmyk(67.4%, 42.4%, 0%, 32.5%)
CIE-LAB	lab(42.37, 9.51, -43.51)
CIE-LCH	lch(42.37, 44.54, 282.33°)
OKLab	oklab(50.61% -0.0212 -0.1241)
OKLCH	oklch(50.61% 0.126 260.3)
XYZ	xyz(13.5365, 12.7417, 40.7677)
Luminance	0.1274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863AC #AC8138

analogous

#389DAC #3863AC #4738AC

triadic

#3863AC #AC3863 #63AC38

tetradic

#3863AC #AC389D #AC8138 #38AC47

square

#3863AC #AC389D #AC8138 #38AC47

split-complementary

#3863AC #AC4738 #9DAC38

monochromatic

#1A2E50 #29487E #3863AC #5882C9 #87A5D8

Accessibility & contrast

On white

5.92

#3863AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#3863AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863AC

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863AC	#FFFFFF	#000000	##FFFFFF
##3863AC	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416AAF

Deuteranopia (green-blind)

#2E5FAA

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3863ac;
/* rgb */ color: rgb(56, 99, 172);
/* oklch */ color: oklch(50.6% 0.126 260.3);

Tailwind

colors: {
  custom: {
    50: '#7b8ec5',
    500: '#3863ac',
    950: '#000000',
  },
}

SCSS

$custom: #3863ac;
$custom-light: #7b8ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#3863ac",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 172
  },
  "hsl": {
    "h": 217.759,
    "s": 50.877,
    "l": 44.706
  },
  "oklch": {
    "l": 0.50612,
    "c": 0.12594,
    "h": 260.3
  },
  "luminance": 0.12743
}

Semantic roles & 50–950 ramp

primary

#3863AC

secondary

#C2A97E

accent

#A64DDA

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3863AC

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

Preview Lab → · Contrast checker → · Palette generator →