#3839BD#3839BD

#3839BD is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.8% C 0.200 H 274.1°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#3839BD
RGB	rgb(56, 57, 189)
HSL	hsl(240, 54%, 48%)
HSV	hsv(240, 70%, 74%)
CMYK	cmyk(70.4%, 69.8%, 0%, 25.9%)
CIE-LAB	lab(32.79, 42.45, -69.07)
CIE-LCH	lch(32.79, 81.07, 301.58°)
OKLab	oklab(43.84% 0.0142 -0.1996)
OKLCH	oklch(43.84% 0.2 274.1)
XYZ	xyz(12.2763, 7.4400, 48.9233)
Luminance	0.0744 (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

#3839BD #BDBC38

analogous

#387BBD #3839BD #7938BD

triadic

#3839BD #BD3839 #39BD38

tetradic

#3839BD #BD387B #BDBC38 #38BD79

square

#3839BD #BD387B #BDBC38 #38BD79

split-complementary

#3839BD #BD7938 #7BBD38

monochromatic

#1C1D5F #2A2B8E #3839BD #6263D0 #9192DE

Accessibility & contrast

On white

8.44

#3839BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3839BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3839BD

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3839BD	#FFFFFF	#000000	##FFFFFF
##3839BD	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C1

Deuteranopia (green-blind)

#0047BB

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3839bd;
/* rgb */ color: rgb(56, 57, 189);
/* oklch */ color: oklch(43.8% 0.200 274.1);

Tailwind

colors: {
  custom: {
    50: '#8170d2',
    500: '#3839bd',
    950: '#000000',
  },
}

SCSS

$custom: #3839bd;
$custom-light: #8170d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3839bd",
  "rgb": {
    "r": 56,
    "g": 57,
    "b": 189
  },
  "hsl": {
    "h": 239.549,
    "s": 54.286,
    "l": 48.039
  },
  "oklch": {
    "l": 0.43835,
    "c": 0.20015,
    "h": 274.1
  },
  "luminance": 0.07441
}

Semantic roles & 50–950 ramp

primary

#3839BD

secondary

#C9C987

accent

#DD4ADE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3839BD

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

Preview Lab → · Contrast checker → · Palette generator →