#3928A4#3928A4

#3928A4 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.9% C 0.187 H 279.5°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#3928A4
RGB	rgb(57, 40, 164)
HSL	hsl(248, 61%, 40%)
HSV	hsv(248, 76%, 64%)
CMYK	cmyk(65.2%, 75.6%, 0%, 35.7%)
CIE-LAB	lab(26.92, 44.09, -63.79)
CIE-LCH	lch(26.92, 77.54, 304.65°)
OKLab	oklab(38.93% 0.0307 -0.1841)
OKLCH	oklch(38.93% 0.187 279.5)
XYZ	xyz(9.1448, 5.0670, 35.6109)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3928A4 #93A428

analogous

#2855A4 #3928A4 #7728A4

triadic

#3928A4 #A43928 #28A439

tetradic

#3928A4 #A42855 #93A428 #28A477

square

#3928A4 #A42855 #93A428 #28A477

split-complementary

#3928A4 #A47728 #55A428

monochromatic

#171042 #281C73 #3928A4 #4F3ACF #7B6BDB

Accessibility & contrast

On white

10.43

#3928A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#3928A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3928A4

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3928A4	#FFFFFF	#000000	##FFFFFF
##3928A4	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A8

Deuteranopia (green-blind)

#003BA2

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3928a4;
/* rgb */ color: rgb(57, 40, 164);
/* oklch */ color: oklch(38.9% 0.187 279.5);

Tailwind

colors: {
  custom: {
    50: '#7e65c0',
    500: '#3928a4',
    950: '#000000',
  },
}

SCSS

$custom: #3928a4;
$custom-light: #7e65c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3928a4",
  "rgb": {
    "r": 57,
    "g": 40,
    "b": 164
  },
  "hsl": {
    "h": 248.226,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.38935,
    "c": 0.18668,
    "h": 279.5
  },
  "luminance": 0.05068
}

Semantic roles & 50–950 ramp

primary

#3928A4

secondary

#B5C166

accent

#E444CE

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3928A4

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

Preview Lab → · Contrast checker → · Palette generator →