#3440AE#3440AE

#3440AE is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.4% C 0.174 H 272.1°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#3440AE
RGB	rgb(52, 64, 174)
HSL	hsl(234, 54%, 44%)
HSV	hsv(234, 70%, 68%)
CMYK	cmyk(70.1%, 63.2%, 0%, 31.8%)
CIE-LAB	lab(32.81, 32.42, -60.14)
CIE-LCH	lch(32.81, 68.33, 298.33°)
OKLab	oklab(43.38% 0.0063 -0.1736)
OKLCH	oklch(43.38% 0.174 272.1)
XYZ	xyz(10.8870, 7.4518, 40.9008)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.93

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3440AE #AEA234

analogous

#347DAE #3440AE #6534AE

triadic

#3440AE #AE3440 #40AE34

tetradic

#3440AE #AE347D #AEA234 #34AE65

square

#3440AE #AE347D #AEA234 #34AE65

split-complementary

#3440AE #AE6534 #7DAE34

monochromatic

#181D50 #262F7F #3440AE #535FCC #838BDA

Accessibility & contrast

On white

8.43

#3440AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3440AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3440AE

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3440AE	#FFFFFF	#000000	##FFFFFF
##3440AE	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B2

Deuteranopia (green-blind)

#0048AC

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3440ae;
/* rgb */ color: rgb(52, 64, 174);
/* oklch */ color: oklch(43.4% 0.174 272.1);

Tailwind

colors: {
  custom: {
    50: '#7c75c7',
    500: '#3440ae',
    950: '#000000',
  },
}

SCSS

$custom: #3440ae;
$custom-light: #7c75c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3440ae",
  "rgb": {
    "r": 52,
    "g": 64,
    "b": 174
  },
  "hsl": {
    "h": 234.098,
    "s": 53.982,
    "l": 44.314
  },
  "oklch": {
    "l": 0.43376,
    "c": 0.17373,
    "h": 272.1
  },
  "luminance": 0.07453
}

Semantic roles & 50–950 ramp

primary

#3440AE

secondary

#C3BC7B

accent

#CF4ADD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3440AE

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

Preview Lab → · Contrast checker → · Palette generator →