#3928A8#3928A8

#3928A8 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.3% C 0.192 H 278.9°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#3928A8
RGB	rgb(57, 40, 168)
HSL	hsl(248, 62%, 41%)
HSV	hsv(248, 76%, 66%)
CMYK	cmyk(66.1%, 76.2%, 0%, 34.1%)
CIE-LAB	lab(27.34, 45.35, -65.53)
CIE-LCH	lch(27.34, 79.69, 304.68°)
OKLab	oklab(39.35% 0.0297 -0.1892)
OKLCH	oklch(39.35% 0.192 278.9)
XYZ	xyz(9.5118, 5.2138, 37.5433)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3928A8 #97A828

analogous

#2857A8 #3928A8 #7928A8

triadic

#3928A8 #A83928 #28A839

tetradic

#3928A8 #A82857 #97A828 #28A879

square

#3928A8 #A82857 #97A828 #28A879

split-complementary

#3928A8 #A87928 #57A828

monochromatic

#171045 #281C77 #3928A8 #503DD1 #7D6EDC

Accessibility & contrast

On white

10.28

#3928A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3928A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3928A8

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3928A8	#FFFFFF	#000000	##FFFFFF
##3928A8	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AC

Deuteranopia (green-blind)

#003BA6

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3928a8;
/* rgb */ color: rgb(57, 40, 168);
/* oklch */ color: oklch(39.3% 0.192 278.9);

Tailwind

colors: {
  custom: {
    50: '#7f65c3',
    500: '#3928a8',
    950: '#000000',
  },
}

SCSS

$custom: #3928a8;
$custom-light: #7f65c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3928a8",
  "rgb": {
    "r": 57,
    "g": 40,
    "b": 168
  },
  "hsl": {
    "h": 247.969,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39347,
    "c": 0.19154,
    "h": 278.9
  },
  "luminance": 0.05215
}

Semantic roles & 50–950 ramp

primary

#3928A8

secondary

#B7C369

accent

#E543CF

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3928A8

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

Preview Lab → · Contrast checker → · Palette generator →