#3440AC#3440AC

#3440AC is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.2% C 0.171 H 272.2°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3440AC
RGB	rgb(52, 64, 172)
HSL	hsl(234, 54%, 44%)
HSV	hsv(234, 70%, 67%)
CMYK	cmyk(69.8%, 62.8%, 0%, 32.5%)
CIE-LAB	lab(32.64, 31.70, -59.23)
CIE-LCH	lch(32.64, 67.18, 298.16°)
OKLab	oklab(43.2% 0.0064 -0.1709)
OKLCH	oklch(43.2% 0.171 272.2)
XYZ	xyz(10.6935, 7.3744, 39.8816)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.15

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3440AC #ACA034

analogous

#347CAC #3440AC #6434AC

triadic

#3440AC #AC3440 #40AC34

tetradic

#3440AC #AC347C #ACA034 #34AC64

square

#3440AC #AC347C #ACA034 #34AC64

split-complementary

#3440AC #AC6434 #7CAC34

monochromatic

#181D4E #262F7D #3440AC #525ECB #818AD9

Accessibility & contrast

On white

8.48

#3440AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3440AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3440AC

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3440AC	#FFFFFF	#000000	##FFFFFF
##3440AC	1.00	8.48	2.47	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AF

Deuteranopia (green-blind)

#0047AA

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3440ac;
/* rgb */ color: rgb(52, 64, 172);
/* oklch */ color: oklch(43.2% 0.171 272.2);

Tailwind

colors: {
  custom: {
    50: '#7b75c6',
    500: '#3440ac',
    950: '#000000',
  },
}

SCSS

$custom: #3440ac;
$custom-light: #7b75c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3440ac",
  "rgb": {
    "r": 52,
    "g": 64,
    "b": 172
  },
  "hsl": {
    "h": 234,
    "s": 53.571,
    "l": 43.922
  },
  "oklch": {
    "l": 0.43199,
    "c": 0.17104,
    "h": 272.2
  },
  "luminance": 0.07375
}

Semantic roles & 50–950 ramp

primary

#3440AC

secondary

#C2BB79

accent

#CE4BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3440AC

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

Preview Lab → · Contrast checker → · Palette generator →