#3428B0#3428B0

#3428B0 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.8% C 0.202 H 275.9°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#3428B0
RGB	rgb(52, 40, 176)
HSL	hsl(245, 63%, 42%)
HSV	hsv(245, 77%, 69%)
CMYK	cmyk(70.5%, 77.3%, 0%, 31%)
CIE-LAB	lab(27.79, 47.34, -69.59)
CIE-LCH	lch(27.79, 84.17, 304.23°)
OKLab	oklab(39.82% 0.0209 -0.2012)
OKLCH	oklch(39.82% 0.202 275.9)
XYZ	xyz(10.0089, 5.3813, 41.5771)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3428B0 #A4B028

analogous

#2860B0 #3428B0 #7828B0

triadic

#3428B0 #B03428 #28B034

tetradic

#3428B0 #B02860 #A4B028 #28B078

square

#3428B0 #B02860 #A4B028 #28B078

split-complementary

#3428B0 #B07828 #60B028

monochromatic

#17114C #251D7E #3428B0 #4E41D4 #7D73DF

Accessibility & contrast

On white

10.11

#3428B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3428B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3428B0

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3428B0	#FFFFFF	#000000	##FFFFFF
##3428B0	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B4

Deuteranopia (green-blind)

#003CAE

Tritanopia (blue-blind)

#00506B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3428b0;
/* rgb */ color: rgb(52, 40, 176);
/* oklch */ color: oklch(39.8% 0.202 275.9);

Tailwind

colors: {
  custom: {
    50: '#7e65c9',
    500: '#3428b0',
    950: '#000000',
  },
}

SCSS

$custom: #3428b0;
$custom-light: #7e65c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3428b0",
  "rgb": {
    "r": 52,
    "g": 40,
    "b": 176
  },
  "hsl": {
    "h": 245.294,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39822,
    "c": 0.20226,
    "h": 275.9
  },
  "luminance": 0.05382
}

Semantic roles & 50–950 ramp

primary

#3428B0

secondary

#BFC66D

accent

#E642D8

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3428B0

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

Preview Lab → · Contrast checker → · Palette generator →