#3440BE#3440BE

#3440BE is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.8% C 0.195 H 271.6°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#3440BE
RGB	rgb(52, 64, 190)
HSL	hsl(235, 57%, 47%)
HSV	hsv(235, 73%, 75%)
CMYK	cmyk(72.6%, 66.3%, 0%, 25.5%)
CIE-LAB	lab(34.22, 38.09, -67.32)
CIE-LCH	lch(34.22, 77.34, 299.50°)
OKLab	oklab(44.84% 0.0053 -0.1946)
OKLCH	oklch(44.84% 0.195 271.6)
XYZ	xyz(12.5407, 8.1133, 49.6103)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3440BE #BEB234

analogous

#3485BE #3440BE #6D34BE

triadic

#3440BE #BE3440 #40BE34

tetradic

#3440BE #BE3485 #BEB234 #34BE6D

square

#3440BE #BE3485 #BEB234 #34BE6D

split-complementary

#3440BE #BE6D34 #85BE34

monochromatic

#1A205E #27308E #3440BE #5D67D3 #8D94E0

Accessibility & contrast

On white

8.01

#3440BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3440BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3440BE

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3440BE	#FFFFFF	#000000	##FFFFFF
##3440BE	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C2

Deuteranopia (green-blind)

#004ABC

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3440be;
/* rgb */ color: rgb(52, 64, 190);
/* oklch */ color: oklch(44.8% 0.195 271.6);

Tailwind

colors: {
  custom: {
    50: '#7f75d3',
    500: '#3440be',
    950: '#000000',
  },
}

SCSS

$custom: #3440be;
$custom-light: #7f75d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3440be",
  "rgb": {
    "r": 52,
    "g": 64,
    "b": 190
  },
  "hsl": {
    "h": 234.783,
    "s": 57.025,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44835,
    "c": 0.19469,
    "h": 271.6
  },
  "luminance": 0.08115
}

Semantic roles & 50–950 ramp

primary

#3440BE

secondary

#CAC484

accent

#D348E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3440BE

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

Preview Lab → · Contrast checker → · Palette generator →