#3928A1#3928A1

#3928A1 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.6% C 0.183 H 279.9°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#3928A1
RGB	rgb(57, 40, 161)
HSL	hsl(248, 60%, 39%)
HSV	hsv(248, 75%, 63%)
CMYK	cmyk(64.6%, 75.2%, 0%, 36.9%)
CIE-LAB	lab(26.62, 43.15, -62.47)
CIE-LCH	lch(26.62, 75.92, 304.63°)
OKLab	oklab(38.63% 0.0314 -0.1803)
OKLCH	oklch(38.63% 0.183 279.9)
XYZ	xyz(8.8771, 4.9600, 34.2009)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3928A1 #90A128

analogous

#2853A1 #3928A1 #7628A1

triadic

#3928A1 #A13928 #28A139

tetradic

#3928A1 #A12853 #90A128 #28A176

square

#3928A1 #A12853 #90A128 #28A176

split-complementary

#3928A1 #A17628 #53A128

monochromatic

#16103F #281C70 #3928A1 #4D39CE #796ADA

Accessibility & contrast

On white

10.54

#3928A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#3928A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3928A1

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3928A1	#FFFFFF	#000000	##FFFFFF
##3928A1	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A5

Deuteranopia (green-blind)

#003A9F

Tritanopia (blue-blind)

#004A62

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3928a1;
/* rgb */ color: rgb(57, 40, 161);
/* oklch */ color: oklch(38.6% 0.183 279.9);

Tailwind

colors: {
  custom: {
    50: '#7d64be',
    500: '#3928a1',
    950: '#000000',
  },
}

SCSS

$custom: #3928a1;
$custom-light: #7d64be;
$custom-dark: #000000;

JSON

{
  "hex": "#3928a1",
  "rgb": {
    "r": 57,
    "g": 40,
    "b": 161
  },
  "hsl": {
    "h": 248.43,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38629,
    "c": 0.183,
    "h": 279.9
  },
  "luminance": 0.04961
}

Semantic roles & 50–950 ramp

primary

#3928A1

secondary

#B3C065

accent

#E344CD

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3928A1

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

Preview Lab → · Contrast checker → · Palette generator →