#3440AD#3440AD

#3440AD is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.3% C 0.172 H 272.1°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#3440AD
RGB	rgb(52, 64, 173)
HSL	hsl(234, 54%, 44%)
HSV	hsv(234, 70%, 68%)
CMYK	cmyk(69.9%, 63%, 0%, 32.2%)
CIE-LAB	lab(32.73, 32.06, -59.69)
CIE-LCH	lch(32.73, 67.75, 298.24°)
OKLab	oklab(43.29% 0.0064 -0.1723)
OKLCH	oklch(43.29% 0.172 272.1)
XYZ	xyz(10.7899, 7.4129, 40.3893)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.04

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3440AD #ADA134

analogous

#347DAD #3440AD #6534AD

triadic

#3440AD #AD3440 #40AD34

tetradic

#3440AD #AD347D #ADA134 #34AD65

square

#3440AD #AD347D #ADA134 #34AD65

split-complementary

#3440AD #AD6534 #7DAD34

monochromatic

#181D4F #262F7E #3440AD #535FCB #828BD9

Accessibility & contrast

On white

8.46

#3440AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3440AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3440AD

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3440AD	#FFFFFF	#000000	##FFFFFF
##3440AD	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B1

Deuteranopia (green-blind)

#0048AB

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3440ad;
/* rgb */ color: rgb(52, 64, 173);
/* oklch */ color: oklch(43.3% 0.172 272.1);

Tailwind

colors: {
  custom: {
    50: '#7c75c6',
    500: '#3440ad',
    950: '#000000',
  },
}

SCSS

$custom: #3440ad;
$custom-light: #7c75c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3440ad",
  "rgb": {
    "r": 52,
    "g": 64,
    "b": 173
  },
  "hsl": {
    "h": 234.05,
    "s": 53.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.43287,
    "c": 0.17239,
    "h": 272.1
  },
  "luminance": 0.07414
}

Semantic roles & 50–950 ramp

primary

#3440AD

secondary

#C3BC7A

accent

#CF4BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3440AD

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

Preview Lab → · Contrast checker → · Palette generator →