#3839B9#3839B9

#3839B9 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.4% C 0.195 H 274.3°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#3839B9
RGB	rgb(56, 57, 185)
HSL	hsl(240, 54%, 47%)
HSV	hsv(240, 70%, 73%)
CMYK	cmyk(69.7%, 69.2%, 0%, 27.5%)
CIE-LAB	lab(32.41, 41.10, -67.33)
CIE-LCH	lch(32.41, 78.88, 301.40°)
OKLab	oklab(43.45% 0.0147 -0.1946)
OKLCH	oklch(43.45% 0.195 274.3)
XYZ	xyz(11.8481, 7.2687, 46.6681)
Luminance	0.0727 (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

#3839B9 #B9B838

analogous

#387AB9 #3839B9 #7838B9

triadic

#3839B9 #B93839 #39B938

tetradic

#3839B9 #B9387A #B9B838 #38B978

square

#3839B9 #B9387A #B9B838 #38B978

split-complementary

#3839B9 #B97838 #7AB938

monochromatic

#1C1C5B #2A2B8A #3839B9 #5F60CF #8E8FDD

Accessibility & contrast

On white

8.56

#3839B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3839B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3839B9

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3839B9	#FFFFFF	#000000	##FFFFFF
##3839B9	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BD

Deuteranopia (green-blind)

#0046B7

Tritanopia (blue-blind)

#005C74

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3839b9;
/* rgb */ color: rgb(56, 57, 185);
/* oklch */ color: oklch(43.4% 0.195 274.3);

Tailwind

colors: {
  custom: {
    50: '#8070cf',
    500: '#3839b9',
    950: '#000000',
  },
}

SCSS

$custom: #3839b9;
$custom-light: #8070cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3839b9",
  "rgb": {
    "r": 56,
    "g": 57,
    "b": 185
  },
  "hsl": {
    "h": 239.535,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43449,
    "c": 0.19513,
    "h": 274.3
  },
  "luminance": 0.0727
}

Semantic roles & 50–950 ramp

primary

#3839B9

secondary

#C8C785

accent

#DC4BDD

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3839B9

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

Preview Lab → · Contrast checker → · Palette generator →