#3443BA#3443BA

#3443BA is a dark, vivid blue. Relative luminance 0.083; OKLCH L 45.0% C 0.186 H 271.1°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#3443BA
RGB	rgb(52, 67, 186)
HSL	hsl(233, 56%, 47%)
HSV	hsv(233, 72%, 73%)
CMYK	cmyk(72%, 64%, 0%, 27.1%)
CIE-LAB	lab(34.58, 34.79, -64.37)
CIE-LCH	lch(34.58, 73.17, 298.39°)
OKLab	oklab(44.99% 0.0036 -0.186)
OKLCH	oklch(44.99% 0.186 271.1)
XYZ	xyz(12.2832, 8.2883, 47.3973)
Luminance	0.0829 (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

#3443BA #BAAB34

analogous

#3486BA #3443BA #6834BA

triadic

#3443BA #BA3443 #43BA34

tetradic

#3443BA #BA3486 #BAAB34 #34BA68

square

#3443BA #BA3486 #BAAB34 #34BA68

split-complementary

#3443BA #BA6834 #86BA34

monochromatic

#19215A #27328A #3443BA #5A68D1 #8A94DE

Accessibility & contrast

On white

7.90

#3443BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3443BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3443BA

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3443BA	#FFFFFF	#000000	##FFFFFF
##3443BA	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BE

Deuteranopia (green-blind)

#004BB8

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3443ba;
/* rgb */ color: rgb(52, 67, 186);
/* oklch */ color: oklch(45.0% 0.186 271.1);

Tailwind

colors: {
  custom: {
    50: '#7e77d0',
    500: '#3443ba',
    950: '#000000',
  },
}

SCSS

$custom: #3443ba;
$custom-light: #7e77d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3443ba",
  "rgb": {
    "r": 52,
    "g": 67,
    "b": 186
  },
  "hsl": {
    "h": 233.284,
    "s": 56.303,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44989,
    "c": 0.18603,
    "h": 271.1
  },
  "luminance": 0.0829
}

Semantic roles & 50–950 ramp

primary

#3443BA

secondary

#C8C081

accent

#CF48E0

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3443BA

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

Preview Lab → · Contrast checker → · Palette generator →