#3443B5#3443B5

#3443B5 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.5% C 0.179 H 271.2°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#3443B5
RGB	rgb(52, 67, 181)
HSL	hsl(233, 55%, 46%)
HSV	hsv(233, 71%, 71%)
CMYK	cmyk(71.3%, 63%, 0%, 29%)
CIE-LAB	lab(34.15, 33.00, -62.12)
CIE-LCH	lch(34.15, 70.34, 297.98°)
OKLab	oklab(44.54% 0.0039 -0.1794)
OKLCH	oklch(44.54% 0.179 271.2)
XYZ	xyz(11.7610, 8.0794, 44.6468)
Luminance	0.0808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3443B5 #B5A634

analogous

#3483B5 #3443B5 #6534B5

triadic

#3443B5 #B53443 #43B534

tetradic

#3443B5 #B53483 #B5A634 #34B565

square

#3443B5 #B53483 #B5A634 #34B565

split-complementary

#3443B5 #B56534 #83B534

monochromatic

#192056 #263185 #3443B5 #5765CF #8791DC

Accessibility & contrast

On white

8.03

#3443B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3443B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3443B5

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3443B5	#FFFFFF	#000000	##FFFFFF
##3443B5	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B9

Deuteranopia (green-blind)

#004AB3

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3443b5;
/* rgb */ color: rgb(52, 67, 181);
/* oklch */ color: oklch(44.5% 0.179 271.2);

Tailwind

colors: {
  custom: {
    50: '#7d77cc',
    500: '#3443b5',
    950: '#000000',
  },
}

SCSS

$custom: #3443b5;
$custom-light: #7d77cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3443b5",
  "rgb": {
    "r": 52,
    "g": 67,
    "b": 181
  },
  "hsl": {
    "h": 233.023,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.44542,
    "c": 0.17943,
    "h": 271.2
  },
  "luminance": 0.08081
}

Semantic roles & 50–950 ramp

primary

#3443B5

secondary

#C6BE7F

accent

#CD49DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3443B5

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

Preview Lab → · Contrast checker → · Palette generator →