#3855AB#3855AB

#3855AB is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.5% C 0.142 H 266.9°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#3855AB
RGB	rgb(56, 85, 171)
HSL	hsl(225, 51%, 45%)
HSV	hsv(225, 67%, 67%)
CMYK	cmyk(67.3%, 50.3%, 0%, 32.9%)
CIE-LAB	lab(38.33, 18.21, -49.39)
CIE-LCH	lch(38.33, 52.64, 290.23°)
OKLab	oklab(47.5% -0.0077 -0.1416)
OKLCH	oklch(47.5% 0.142 266.9)
XYZ	xyz(12.2275, 10.2769, 39.8594)
Luminance	0.1028 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3855AB #AB8E38

analogous

#388EAB #3855AB #5538AB

triadic

#3855AB #AB3855 #55AB38

tetradic

#3855AB #AB388E #AB8E38 #38AB55

square

#3855AB #AB388E #AB8E38 #38AB55

split-complementary

#3855AB #AB5538 #8EAB38

monochromatic

#1A274F #293E7D #3855AB #5874C8 #869BD7

Accessibility & contrast

On white

6.87

#3855AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3855AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3855AB

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3855AB	#FFFFFF	#000000	##FFFFFF
##3855AB	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2560AE

Deuteranopia (green-blind)

#0055A9

Tritanopia (blue-blind)

#006978

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3855ab;
/* rgb */ color: rgb(56, 85, 171);
/* oklch */ color: oklch(47.5% 0.142 266.9);

Tailwind

colors: {
  custom: {
    50: '#7c84c5',
    500: '#3855ab',
    950: '#000000',
  },
}

SCSS

$custom: #3855ab;
$custom-light: #7c84c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3855ab",
  "rgb": {
    "r": 56,
    "g": 85,
    "b": 171
  },
  "hsl": {
    "h": 224.87,
    "s": 50.661,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47496,
    "c": 0.14185,
    "h": 266.9
  },
  "luminance": 0.10278
}

Semantic roles & 50–950 ramp

primary

#3855AB

secondary

#C1B07D

accent

#B74EDA

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3855AB

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

Preview Lab → · Contrast checker → · Palette generator →