#3928AB#3928AB

#3928AB is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.7% C 0.195 H 278.5°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#3928AB
RGB	rgb(57, 40, 171)
HSL	hsl(248, 62%, 41%)
HSV	hsv(248, 77%, 67%)
CMYK	cmyk(66.7%, 76.6%, 0%, 32.9%)
CIE-LAB	lab(27.65, 46.28, -66.82)
CIE-LCH	lch(27.65, 81.29, 304.71°)
OKLab	oklab(39.66% 0.029 -0.193)
OKLCH	oklch(39.66% 0.195 278.5)
XYZ	xyz(9.7945, 5.3269, 39.0322)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3928AB #9AAB28

analogous

#2859AB #3928AB #7B28AB

triadic

#3928AB #AB3928 #28AB39

tetradic

#3928AB #AB2859 #9AAB28 #28AB7B

square

#3928AB #AB2859 #9AAB28 #28AB7B

split-complementary

#3928AB #AB7B28 #59AB28

monochromatic

#181148 #281C79 #3928AB #513ED2 #7E70DE

Accessibility & contrast

On white

10.17

#3928AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3928AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3928AB

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3928AB	#FFFFFF	#000000	##FFFFFF
##3928AB	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AF

Deuteranopia (green-blind)

#003CA9

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3928ab;
/* rgb */ color: rgb(57, 40, 171);
/* oklch */ color: oklch(39.7% 0.195 278.5);

Tailwind

colors: {
  custom: {
    50: '#7f65c5',
    500: '#3928ab',
    950: '#000000',
  },
}

SCSS

$custom: #3928ab;
$custom-light: #7f65c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3928ab",
  "rgb": {
    "r": 57,
    "g": 40,
    "b": 171
  },
  "hsl": {
    "h": 247.786,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39659,
    "c": 0.19515,
    "h": 278.5
  },
  "luminance": 0.05328
}

Semantic roles & 50–950 ramp

primary

#3928AB

secondary

#B9C46A

accent

#E543D0

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3928AB

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

Preview Lab → · Contrast checker → · Palette generator →