#3839BA#3839BA

#3839BA is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.5% C 0.196 H 274.3°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#3839BA
RGB	rgb(56, 57, 186)
HSL	hsl(240, 54%, 47%)
HSV	hsv(240, 70%, 73%)
CMYK	cmyk(69.9%, 69.4%, 0%, 27.1%)
CIE-LAB	lab(32.50, 41.44, -67.76)
CIE-LCH	lch(32.50, 79.43, 301.45°)
OKLab	oklab(43.55% 0.0146 -0.1958)
OKLCH	oklch(43.55% 0.196 274.3)
XYZ	xyz(11.9540, 7.3110, 47.2260)
Luminance	0.0731 (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

#3839BA #BAB938

analogous

#387ABA #3839BA #7838BA

triadic

#3839BA #BA3839 #39BA38

tetradic

#3839BA #BA387A #BAB938 #38BA78

square

#3839BA #BA387A #BAB938 #38BA78

split-complementary

#3839BA #BA7838 #7ABA38

monochromatic

#1C1C5C #2A2B8B #3839BA #6061CF #8F90DD

Accessibility & contrast

On white

8.53

#3839BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3839BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3839BA

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3839BA	#FFFFFF	#000000	##FFFFFF
##3839BA	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BE

Deuteranopia (green-blind)

#0046B8

Tritanopia (blue-blind)

#005C75

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3839ba;
/* rgb */ color: rgb(56, 57, 186);
/* oklch */ color: oklch(43.5% 0.196 274.3);

Tailwind

colors: {
  custom: {
    50: '#8170d0',
    500: '#3839ba',
    950: '#000000',
  },
}

SCSS

$custom: #3839ba;
$custom-light: #8170d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3839ba",
  "rgb": {
    "r": 56,
    "g": 57,
    "b": 186
  },
  "hsl": {
    "h": 239.538,
    "s": 53.719,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43545,
    "c": 0.19639,
    "h": 274.3
  },
  "luminance": 0.07312
}

Semantic roles & 50–950 ramp

primary

#3839BA

secondary

#C8C886

accent

#DC4BDD

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3839BA

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

Preview Lab → · Contrast checker → · Palette generator →