#3840BA#3840BA

#3840BA is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.7% C 0.188 H 273.0°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#3840BA
RGB	rgb(56, 64, 186)
HSL	hsl(236, 54%, 47%)
HSV	hsv(236, 70%, 73%)
CMYK	cmyk(69.9%, 65.6%, 0%, 27.1%)
CIE-LAB	lab(34.09, 37.17, -65.16)
CIE-LCH	lch(34.09, 75.02, 299.70°)
OKLab	oklab(44.69% 0.01 -0.1882)
OKLCH	oklch(44.69% 0.188 273)
XYZ	xyz(12.3242, 8.0515, 47.3495)
Luminance	0.0805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3840BA #BAB238

analogous

#3881BA #3840BA #7138BA

triadic

#3840BA #BA3840 #40BA38

tetradic

#3840BA #BA3881 #BAB238 #38BA71

square

#3840BA #BA3881 #BAB238 #38BA71

split-complementary

#3840BA #BA7138 #81BA38

monochromatic

#1C205C #2A308B #3840BA #6067CF #8F94DD

Accessibility & contrast

On white

8.04

#3840BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3840BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3840BA

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3840BA	#FFFFFF	#000000	##FFFFFF
##3840BA	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BE

Deuteranopia (green-blind)

#004AB8

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3840ba;
/* rgb */ color: rgb(56, 64, 186);
/* oklch */ color: oklch(44.7% 0.188 273.0);

Tailwind

colors: {
  custom: {
    50: '#8075d0',
    500: '#3840ba',
    950: '#000000',
  },
}

SCSS

$custom: #3840ba;
$custom-light: #8075d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3840ba",
  "rgb": {
    "r": 56,
    "g": 64,
    "b": 186
  },
  "hsl": {
    "h": 236.308,
    "s": 53.719,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44694,
    "c": 0.18848,
    "h": 273
  },
  "luminance": 0.08053
}

Semantic roles & 50–950 ramp

primary

#3840BA

secondary

#C8C486

accent

#D44BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3840BA

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

Preview Lab → · Contrast checker → · Palette generator →