#3839BE#3839BE

#3839BE is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 43.9% C 0.201 H 274.0°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#3839BE
RGB	rgb(56, 57, 190)
HSL	hsl(240, 54%, 48%)
HSV	hsv(240, 71%, 75%)
CMYK	cmyk(70.5%, 70%, 0%, 25.5%)
CIE-LAB	lab(32.88, 42.78, -69.50)
CIE-LCH	lch(32.88, 81.61, 301.62°)
OKLab	oklab(43.93% 0.014 -0.2009)
OKLCH	oklch(43.93% 0.201 274)
XYZ	xyz(12.3852, 7.4835, 49.4970)
Luminance	0.0748 (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

#3839BE #BEBD38

analogous

#387CBE #3839BE #7A38BE

triadic

#3839BE #BE3839 #39BE38

tetradic

#3839BE #BE387C #BEBD38 #38BE7A

square

#3839BE #BE387C #BEBD38 #38BE7A

split-complementary

#3839BE #BE7A38 #7CBE38

monochromatic

#1C1D5F #2A2B8F #3839BE #6263D1 #9292DF

Accessibility & contrast

On white

8.41

#3839BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3839BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3839BE

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3839BE	#FFFFFF	#000000	##FFFFFF
##3839BE	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C2

Deuteranopia (green-blind)

#0047BC

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3839be;
/* rgb */ color: rgb(56, 57, 190);
/* oklch */ color: oklch(43.9% 0.201 274.0);

Tailwind

colors: {
  custom: {
    50: '#8270d3',
    500: '#3839be',
    950: '#000000',
  },
}

SCSS

$custom: #3839be;
$custom-light: #8270d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3839be",
  "rgb": {
    "r": 56,
    "g": 57,
    "b": 190
  },
  "hsl": {
    "h": 239.552,
    "s": 54.472,
    "l": 48.235
  },
  "oklch": {
    "l": 0.43932,
    "c": 0.20141,
    "h": 274
  },
  "luminance": 0.07485
}

Semantic roles & 50–950 ramp

primary

#3839BE

secondary

#CAC988

accent

#DD4ADE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3839BE

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

Preview Lab → · Contrast checker → · Palette generator →