#3440AA#3440AA

#3440AA is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.168 H 272.2°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#3440AA
RGB	rgb(52, 64, 170)
HSL	hsl(234, 53%, 44%)
HSV	hsv(234, 69%, 67%)
CMYK	cmyk(69.4%, 62.4%, 0%, 33.3%)
CIE-LAB	lab(32.48, 30.99, -58.31)
CIE-LCH	lch(32.48, 66.03, 297.99°)
OKLab	oklab(43.02% 0.0065 -0.1682)
OKLCH	oklch(43.02% 0.168 272.2)
XYZ	xyz(10.5028, 7.2981, 38.8776)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3440AA #AA9E34

analogous

#347BAA #3440AA #6334AA

triadic

#3440AA #AA3440 #40AA34

tetradic

#3440AA #AA347B #AA9E34 #34AA63

square

#3440AA #AA347B #AA9E34 #34AA63

split-complementary

#3440AA #AA6334 #7BAA34

monochromatic

#171D4C #262E7B #3440AA #515ECA #8089D8

Accessibility & contrast

On white

8.54

#3440AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3440AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3440AA

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3440AA	#FFFFFF	#000000	##FFFFFF
##3440AA	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AD

Deuteranopia (green-blind)

#0047A8

Tritanopia (blue-blind)

#005B6F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3440aa;
/* rgb */ color: rgb(52, 64, 170);
/* oklch */ color: oklch(43.0% 0.168 272.2);

Tailwind

colors: {
  custom: {
    50: '#7b74c4',
    500: '#3440aa',
    950: '#000000',
  },
}

SCSS

$custom: #3440aa;
$custom-light: #7b74c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3440aa",
  "rgb": {
    "r": 52,
    "g": 64,
    "b": 170
  },
  "hsl": {
    "h": 233.898,
    "s": 53.153,
    "l": 43.529
  },
  "oklch": {
    "l": 0.43022,
    "c": 0.16835,
    "h": 272.2
  },
  "luminance": 0.07299
}

Semantic roles & 50–950 ramp

primary

#3440AA

secondary

#C1BA78

accent

#CE4BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3440AA

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

Preview Lab → · Contrast checker → · Palette generator →