#3863B2#3863B2

#3863B2 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.0% C 0.134 H 261.4°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#3863B2
RGB	rgb(56, 99, 178)
HSL	hsl(219, 52%, 46%)
HSV	hsv(219, 69%, 70%)
CMYK	cmyk(68.5%, 44.4%, 0%, 30.2%)
CIE-LAB	lab(42.73, 11.70, -46.46)
CIE-LCH	lch(42.73, 47.91, 284.14°)
OKLab	oklab(51% -0.02 -0.1328)
OKLCH	oklch(51% 0.134 261.4)
XYZ	xyz(14.1258, 12.9774, 43.8713)
Luminance	0.1298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863B2 #B28738

analogous

#38A0B2 #3863B2 #4A38B2

triadic

#3863B2 #B23863 #63B238

tetradic

#3863B2 #B238A0 #B28738 #38B24A

square

#3863B2 #B238A0 #B28738 #38B24A

split-complementary

#3863B2 #B24A38 #A0B238

monochromatic

#1B2F55 #294983 #3863B2 #5C83CC #8AA6DA

Accessibility & contrast

On white

5.84

#3863B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#3863B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863B2

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863B2	#FFFFFF	#000000	##FFFFFF
##3863B2	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6BB5

Deuteranopia (green-blind)

#2760B0

Tritanopia (blue-blind)

#007582

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3863b2;
/* rgb */ color: rgb(56, 99, 178);
/* oklch */ color: oklch(51.0% 0.134 261.4);

Tailwind

colors: {
  custom: {
    50: '#7c8ec9',
    500: '#3863b2',
    950: '#000000',
  },
}

SCSS

$custom: #3863b2;
$custom-light: #7c8ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#3863b2",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 178
  },
  "hsl": {
    "h": 218.852,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.51004,
    "c": 0.13431,
    "h": 261.4
  },
  "luminance": 0.12979
}

Semantic roles & 50–950 ramp

primary

#3863B2

secondary

#C5AD81

accent

#A94CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3863B2

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

Preview Lab → · Contrast checker → · Palette generator →