#3428AC#3428AC

#3428AC is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.4% C 0.197 H 276.4°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#3428AC
RGB	rgb(52, 40, 172)
HSL	hsl(245, 62%, 42%)
HSV	hsv(245, 77%, 67%)
CMYK	cmyk(69.8%, 76.7%, 0%, 32.5%)
CIE-LAB	lab(27.37, 46.08, -67.90)
CIE-LCH	lch(27.37, 82.06, 304.16°)
OKLab	oklab(39.4% 0.0219 -0.1962)
OKLCH	oklch(39.4% 0.197 276.4)
XYZ	xyz(9.6189, 5.2253, 39.5234)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3428AC #A0AC28

analogous

#285EAC #3428AC #7628AC

triadic

#3428AC #AC3428 #28AC34

tetradic

#3428AC #AC285E #A0AC28 #28AC76

square

#3428AC #AC285E #A0AC28 #28AC76

split-complementary

#3428AC #AC7628 #5EAC28

monochromatic

#161149 #251C7A #3428AC #4C3FD2 #7A71DE

Accessibility & contrast

On white

10.27

#3428AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3428AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3428AC

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3428AC	#FFFFFF	#000000	##FFFFFF
##3428AC	1.00	10.27	2.05	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B0

Deuteranopia (green-blind)

#003BAA

Tritanopia (blue-blind)

#004F69

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3428ac;
/* rgb */ color: rgb(52, 40, 172);
/* oklch */ color: oklch(39.4% 0.197 276.4);

Tailwind

colors: {
  custom: {
    50: '#7d65c6',
    500: '#3428ac',
    950: '#000000',
  },
}

SCSS

$custom: #3428ac;
$custom-light: #7d65c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3428ac",
  "rgb": {
    "r": 52,
    "g": 40,
    "b": 172
  },
  "hsl": {
    "h": 245.455,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39395,
    "c": 0.19746,
    "h": 276.4
  },
  "luminance": 0.05226
}

Semantic roles & 50–950 ramp

primary

#3428AC

secondary

#BDC56B

accent

#E542D7

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3428AC

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

Preview Lab → · Contrast checker → · Palette generator →