#3856BB#3856BB

#3856BB is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.9% C 0.163 H 267.5°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#3856BB
RGB	rgb(56, 86, 187)
HSL	hsl(226, 54%, 48%)
HSV	hsv(226, 70%, 73%)
CMYK	cmyk(70.1%, 54%, 0%, 26.7%)
CIE-LAB	lab(39.72, 23.42, -56.58)
CIE-LCH	lch(39.72, 61.23, 292.48°)
OKLab	oklab(48.9% -0.007 -0.1628)
OKLCH	oklch(48.9% 0.163 267.5)
XYZ	xyz(13.9252, 11.0828, 48.4094)
Luminance	0.1108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3856BB #BB9D38

analogous

#3897BB #3856BB #5C38BB

triadic

#3856BB #BB3856 #56BB38

tetradic

#3856BB #BB3897 #BB9D38 #38BB5C

square

#3856BB #BB3897 #BB9D38 #38BB5C

split-complementary

#3856BB #BB5C38 #97BB38

monochromatic

#1C2B5D #2A408C #3856BB #617AD0 #90A2DE

Accessibility & contrast

On white

6.53

#3856BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#3856BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3856BB

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3856BB	#FFFFFF	#000000	##FFFFFF
##3856BB	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0764BF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3856bb;
/* rgb */ color: rgb(56, 86, 187);
/* oklch */ color: oklch(48.9% 0.163 267.5);

Tailwind

colors: {
  custom: {
    50: '#7f85d0',
    500: '#3856bb',
    950: '#000000',
  },
}

SCSS

$custom: #3856bb;
$custom-light: #7f85d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3856bb",
  "rgb": {
    "r": 56,
    "g": 86,
    "b": 187
  },
  "hsl": {
    "h": 226.26,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48899,
    "c": 0.16293,
    "h": 267.5
  },
  "luminance": 0.11084
}

Semantic roles & 50–950 ramp

primary

#3856BB

secondary

#C8B986

accent

#BC4BDD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3856BB

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

Preview Lab → · Contrast checker → · Palette generator →