#3439AD#3439AD

#3439AD is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.1% C 0.181 H 273.6°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#3439AD
RGB	rgb(52, 57, 173)
HSL	hsl(238, 54%, 44%)
HSV	hsv(238, 70%, 68%)
CMYK	cmyk(69.9%, 67.1%, 0%, 32.2%)
CIE-LAB	lab(31.05, 36.50, -62.44)
CIE-LCH	lch(31.05, 72.32, 300.31°)
OKLab	oklab(42.06% 0.0114 -0.1804)
OKLCH	oklch(42.06% 0.181 273.6)
XYZ	xyz(10.4196, 6.6725, 40.2659)
Luminance	0.0667 (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

#3439AD #ADA834

analogous

#3476AD #3439AD #6C34AD

triadic

#3439AD #AD3439 #39AD34

tetradic

#3439AD #AD3476 #ADA834 #34AD6C

square

#3439AD #AD3476 #ADA834 #34AD6C

split-complementary

#3439AD #AD6C34 #76AD34

monochromatic

#181A4F #26297E #3439AD #5358CB #8286D9

Accessibility & contrast

On white

9.00

#3439AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3439AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3439AD

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3439AD	#FFFFFF	#000000	##FFFFFF
##3439AD	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB1

Deuteranopia (green-blind)

#0043AB

Tritanopia (blue-blind)

#00586E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3439ad;
/* rgb */ color: rgb(52, 57, 173);
/* oklch */ color: oklch(42.1% 0.181 273.6);

Tailwind

colors: {
  custom: {
    50: '#7c70c6',
    500: '#3439ad',
    950: '#000000',
  },
}

SCSS

$custom: #3439ad;
$custom-light: #7c70c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3439ad",
  "rgb": {
    "r": 52,
    "g": 57,
    "b": 173
  },
  "hsl": {
    "h": 237.521,
    "s": 53.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.42059,
    "c": 0.18073,
    "h": 273.6
  },
  "luminance": 0.06673
}

Semantic roles & 50–950 ramp

primary

#3439AD

secondary

#C3C07A

accent

#D74BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3439AD

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

Preview Lab → · Contrast checker → · Palette generator →