#3839BF#3839BF

#3839BF is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.0% C 0.203 H 273.9°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#3839BF
RGB	rgb(56, 57, 191)
HSL	hsl(240, 55%, 48%)
HSV	hsv(240, 71%, 75%)
CMYK	cmyk(70.7%, 70.2%, 0%, 25.1%)
CIE-LAB	lab(32.98, 43.12, -69.93)
CIE-LCH	lch(32.98, 82.16, 301.66°)
OKLab	oklab(44.03% 0.0139 -0.2022)
OKLCH	oklch(44.03% 0.203 273.9)
XYZ	xyz(12.4949, 7.5274, 50.0746)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.46

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3839BF #BFBE38

analogous

#387CBF #3839BF #7B38BF

triadic

#3839BF #BF3839 #39BF38

tetradic

#3839BF #BF387C #BFBE38 #38BF7B

square

#3839BF #BF387C #BFBE38 #38BF7B

split-complementary

#3839BF #BF7B38 #7CBF38

monochromatic

#1C1D60 #2A2B90 #3839BF #6364D1 #9293DF

Accessibility & contrast

On white

8.38

#3839BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3839BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3839BF

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3839BF	#FFFFFF	#000000	##FFFFFF
##3839BF	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C3

Deuteranopia (green-blind)

#0047BD

Tritanopia (blue-blind)

#005E78

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3839bf;
/* rgb */ color: rgb(56, 57, 191);
/* oklch */ color: oklch(44.0% 0.203 273.9);

Tailwind

colors: {
  custom: {
    50: '#8270d4',
    500: '#3839bf',
    950: '#000000',
  },
}

SCSS

$custom: #3839bf;
$custom-light: #8270d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3839bf",
  "rgb": {
    "r": 56,
    "g": 57,
    "b": 191
  },
  "hsl": {
    "h": 239.556,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44029,
    "c": 0.20266,
    "h": 273.9
  },
  "luminance": 0.07529
}

Semantic roles & 50–950 ramp

primary

#3839BF

secondary

#CACA89

accent

#DD4ADE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3839BF

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

Preview Lab → · Contrast checker → · Palette generator →