#3863B4#3863B4

#3863B4 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.1% C 0.137 H 261.8°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3863B4
RGB	rgb(56, 99, 180)
HSL	hsl(219, 53%, 46%)
HSV	hsv(219, 69%, 71%)
CMYK	cmyk(68.9%, 45%, 0%, 29.4%)
CIE-LAB	lab(42.85, 12.44, -47.44)
CIE-LCH	lch(42.85, 49.04, 284.69°)
OKLab	oklab(51.14% -0.0197 -0.1357)
OKLCH	oklch(51.14% 0.137 261.8)
XYZ	xyz(14.3280, 13.0583, 44.9366)
Luminance	0.1306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863B4 #B48938

analogous

#38A1B4 #3863B4 #4B38B4

triadic

#3863B4 #B43863 #63B438

tetradic

#3863B4 #B438A1 #B48938 #38B44B

square

#3863B4 #B438A1 #B48938 #38B44B

split-complementary

#3863B4 #B44B38 #A1B438

monochromatic

#1B3057 #294985 #3863B4 #5D83CD #8BA7DB

Accessibility & contrast

On white

5.81

#3863B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#3863B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863B4

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863B4	#FFFFFF	#000000	##FFFFFF
##3863B4	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6BB7

Deuteranopia (green-blind)

#2460B2

Tritanopia (blue-blind)

#007683

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3863b4;
/* rgb */ color: rgb(56, 99, 180);
/* oklch */ color: oklch(51.1% 0.137 261.8);

Tailwind

colors: {
  custom: {
    50: '#7d8ecb',
    500: '#3863b4',
    950: '#000000',
  },
}

SCSS

$custom: #3863b4;
$custom-light: #7d8ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#3863b4",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 180
  },
  "hsl": {
    "h": 219.194,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.51137,
    "c": 0.1371,
    "h": 261.8
  },
  "luminance": 0.1306
}

Semantic roles & 50–950 ramp

primary

#3863B4

secondary

#C5AE82

accent

#AA4CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3863B4

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

Preview Lab → · Contrast checker → · Palette generator →