#3440AF#3440AF

#3440AF is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.5% C 0.175 H 272.1°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#3440AF
RGB	rgb(52, 64, 175)
HSL	hsl(234, 54%, 45%)
HSV	hsv(234, 70%, 69%)
CMYK	cmyk(70.3%, 63.4%, 0%, 31.4%)
CIE-LAB	lab(32.90, 32.78, -60.60)
CIE-LCH	lch(32.90, 68.90, 298.41°)
OKLab	oklab(43.47% 0.0063 -0.1749)
OKLCH	oklch(43.47% 0.175 272.1)
XYZ	xyz(10.9848, 7.4909, 41.4161)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.82

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3440AF #AFA334

analogous

#347EAF #3440AF #6534AF

triadic

#3440AF #AF3440 #40AF34

tetradic

#3440AF #AF347E #AFA334 #34AF65

square

#3440AF #AF347E #AFA334 #34AF65

split-complementary

#3440AF #AF6534 #7EAF34

monochromatic

#181D51 #262F80 #3440AF #5460CC #838CDA

Accessibility & contrast

On white

8.41

#3440AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3440AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3440AF

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3440AF	#FFFFFF	#000000	##FFFFFF
##3440AF	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B3

Deuteranopia (green-blind)

#0048AD

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3440af;
/* rgb */ color: rgb(52, 64, 175);
/* oklch */ color: oklch(43.5% 0.175 272.1);

Tailwind

colors: {
  custom: {
    50: '#7c75c8',
    500: '#3440af',
    950: '#000000',
  },
}

SCSS

$custom: #3440af;
$custom-light: #7c75c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3440af",
  "rgb": {
    "r": 52,
    "g": 64,
    "b": 175
  },
  "hsl": {
    "h": 234.146,
    "s": 54.185,
    "l": 44.51
  },
  "oklch": {
    "l": 0.43465,
    "c": 0.17506,
    "h": 272.1
  },
  "luminance": 0.07492
}

Semantic roles & 50–950 ramp

primary

#3440AF

secondary

#C4BD7B

accent

#CF4ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3440AF

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

Preview Lab → · Contrast checker → · Palette generator →