#3428AB#3428AB

#3428AB is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.3% C 0.196 H 276.5°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#3428AB
RGB	rgb(52, 40, 171)
HSL	hsl(245, 62%, 41%)
HSV	hsv(245, 77%, 67%)
CMYK	cmyk(69.6%, 76.6%, 0%, 32.9%)
CIE-LAB	lab(27.26, 45.76, -67.47)
CIE-LCH	lch(27.26, 81.52, 304.15°)
OKLab	oklab(39.29% 0.0221 -0.195)
OKLCH	oklch(39.29% 0.196 276.5)
XYZ	xyz(9.5232, 5.1871, 39.0195)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3428AB #9FAB28

analogous

#285EAB #3428AB #7628AB

triadic

#3428AB #AB3428 #28AB34

tetradic

#3428AB #AB285E #9FAB28 #28AB76

square

#3428AB #AB285E #9FAB28 #28AB76

split-complementary

#3428AB #AB7628 #5EAB28

monochromatic

#161148 #251C79 #3428AB #4C3ED2 #7A70DE

Accessibility & contrast

On white

10.31

#3428AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3428AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3428AB

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3428AB	#FFFFFF	#000000	##FFFFFF
##3428AB	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AF

Deuteranopia (green-blind)

#003BA9

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3428ab;
/* rgb */ color: rgb(52, 40, 171);
/* oklch */ color: oklch(39.3% 0.196 276.5);

Tailwind

colors: {
  custom: {
    50: '#7d65c5',
    500: '#3428ab',
    950: '#000000',
  },
}

SCSS

$custom: #3428ab;
$custom-light: #7d65c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3428ab",
  "rgb": {
    "r": 52,
    "g": 40,
    "b": 171
  },
  "hsl": {
    "h": 245.496,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39289,
    "c": 0.19626,
    "h": 276.5
  },
  "luminance": 0.05188
}

Semantic roles & 50–950 ramp

primary

#3428AB

secondary

#BCC46A

accent

#E543D6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3428AB

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

Preview Lab → · Contrast checker → · Palette generator →