#3428B2#3428B2

#3428B2 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.0% C 0.205 H 275.7°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#3428B2
RGB	rgb(52, 40, 178)
HSL	hsl(245, 63%, 43%)
HSV	hsv(245, 78%, 70%)
CMYK	cmyk(70.8%, 77.5%, 0%, 30.2%)
CIE-LAB	lab(28.01, 47.97, -70.43)
CIE-LCH	lch(28.01, 85.22, 304.26°)
OKLab	oklab(40.04% 0.0205 -0.2036)
OKLCH	oklch(40.04% 0.205 275.7)
XYZ	xyz(10.2082, 5.4610, 42.6270)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3428B2 #A6B228

analogous

#2861B2 #3428B2 #7928B2

triadic

#3428B2 #B23428 #28B234

tetradic

#3428B2 #B22861 #A6B228 #28B279

square

#3428B2 #B22861 #A6B228 #28B279

split-complementary

#3428B2 #B27928 #61B228

monochromatic

#17124E #251D80 #3428B2 #4F43D5 #7E75E0

Accessibility & contrast

On white

10.04

#3428B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3428B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3428B2

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3428B2	#FFFFFF	#000000	##FFFFFF
##3428B2	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B6

Deuteranopia (green-blind)

#003CB0

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3428b2;
/* rgb */ color: rgb(52, 40, 178);
/* oklch */ color: oklch(40.0% 0.205 275.7);

Tailwind

colors: {
  custom: {
    50: '#7f65ca',
    500: '#3428b2',
    950: '#000000',
  },
}

SCSS

$custom: #3428b2;
$custom-light: #7f65ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3428b2",
  "rgb": {
    "r": 52,
    "g": 40,
    "b": 178
  },
  "hsl": {
    "h": 245.217,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40037,
    "c": 0.20464,
    "h": 275.7
  },
  "luminance": 0.05462
}

Semantic roles & 50–950 ramp

primary

#3428B2

secondary

#C0C76F

accent

#E641D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3428B2

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

Preview Lab → · Contrast checker → · Palette generator →