#3443B8#3443B8

#3443B8 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.8% C 0.183 H 271.2°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#3443B8
RGB	rgb(52, 67, 184)
HSL	hsl(233, 56%, 46%)
HSV	hsv(233, 72%, 72%)
CMYK	cmyk(71.7%, 63.6%, 0%, 27.8%)
CIE-LAB	lab(34.40, 34.08, -63.48)
CIE-LCH	lch(34.40, 72.05, 298.23°)
OKLab	oklab(44.81% 0.0037 -0.1834)
OKLCH	oklch(44.81% 0.183 271.2)
XYZ	xyz(12.0721, 8.2038, 46.2854)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.39

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3443B8 #B8A934

analogous

#3485B8 #3443B8 #6734B8

triadic

#3443B8 #B83443 #43B834

tetradic

#3443B8 #B83485 #B8A934 #34B867

square

#3443B8 #B83485 #B8A934 #34B867

split-complementary

#3443B8 #B86734 #85B834

monochromatic

#192059 #273288 #3443B8 #5967D0 #8992DE

Accessibility & contrast

On white

7.95

#3443B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3443B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3443B8

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3443B8	#FFFFFF	#000000	##FFFFFF
##3443B8	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BC

Deuteranopia (green-blind)

#004BB6

Tritanopia (blue-blind)

#006177

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3443b8;
/* rgb */ color: rgb(52, 67, 184);
/* oklch */ color: oklch(44.8% 0.183 271.2);

Tailwind

colors: {
  custom: {
    50: '#7e77ce',
    500: '#3443b8',
    950: '#000000',
  },
}

SCSS

$custom: #3443b8;
$custom-light: #7e77ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3443b8",
  "rgb": {
    "r": 52,
    "g": 67,
    "b": 184
  },
  "hsl": {
    "h": 233.182,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44809,
    "c": 0.1834,
    "h": 271.2
  },
  "luminance": 0.08205
}

Semantic roles & 50–950 ramp

primary

#3443B8

secondary

#C8BF80

accent

#CE49DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3443B8

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

Preview Lab → · Contrast checker → · Palette generator →