#3855BB#3855BB

#3855BB is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.7% C 0.164 H 267.8°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#3855BB
RGB	rgb(56, 85, 187)
HSL	hsl(227, 54%, 48%)
HSV	hsv(227, 70%, 73%)
CMYK	cmyk(70.1%, 54.5%, 0%, 26.7%)
CIE-LAB	lab(39.45, 24.07, -57.01)
CIE-LCH	lch(39.45, 61.88, 292.89°)
OKLab	oklab(48.7% -0.0062 -0.1641)
OKLCH	oklch(48.7% 0.164 267.8)
XYZ	xyz(13.8459, 10.9242, 48.3830)
Luminance	0.1093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3855BB #BB9E38

analogous

#3896BB #3855BB #5D38BB

triadic

#3855BB #BB3855 #55BB38

tetradic

#3855BB #BB3896 #BB9E38 #38BB5D

square

#3855BB #BB3896 #BB9E38 #38BB5D

split-complementary

#3855BB #BB5D38 #96BB38

monochromatic

#1C2A5D #2A408C #3855BB #6179D0 #90A1DE

Accessibility & contrast

On white

6.59

#3855BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3855BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3855BB

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3855BB	#FFFFFF	#000000	##FFFFFF
##3855BB	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#006E7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3855bb;
/* rgb */ color: rgb(56, 85, 187);
/* oklch */ color: oklch(48.7% 0.164 267.8);

Tailwind

colors: {
  custom: {
    50: '#7f84d0',
    500: '#3855bb',
    950: '#000000',
  },
}

SCSS

$custom: #3855bb;
$custom-light: #7f84d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3855bb",
  "rgb": {
    "r": 56,
    "g": 85,
    "b": 187
  },
  "hsl": {
    "h": 226.718,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48698,
    "c": 0.16418,
    "h": 267.8
  },
  "luminance": 0.10926
}

Semantic roles & 50–950 ramp

primary

#3855BB

secondary

#C8BA86

accent

#BD4BDD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3855BB

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

Preview Lab → · Contrast checker → · Palette generator →