#3928AD#3928AD

#3928AD is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.9% C 0.198 H 278.3°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX#3928AD
RGBrgb(57, 40, 173)
HSLhsl(248, 62%, 42%)
HSVhsv(248, 77%, 68%)
CMYKcmyk(67.1%, 76.9%, 0%, 32.2%)
CIE-LABlab(27.86, 46.91, -67.68)
CIE-LCHlch(27.86, 82.34, 304.72°)
OKLaboklab(39.87% 0.0285 -0.1955)
OKLCHoklch(39.87% 0.198 278.3)
XYZxyz(9.9865, 5.4037, 40.0438)
Luminance0.0541 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3928AD #9CAD28
analogous
#285AAD #3928AD #7C28AD
triadic
#3928AD #AD3928 #28AD39
tetradic
#3928AD #AD285A #9CAD28 #28AD7C
square
#3928AD #AD285A #9CAD28 #28AD7C
split-complementary
#3928AD #AD7C28 #5AAD28
monochromatic
#18114A #291D7B #3928AD #523FD3 #7F71DE

Accessibility & contrast

On white

10.09
#3928AD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.08
#3928AD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3928AD
10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3928AD#FFFFFF#000000##FFFFFF
##3928AD1.0010.092.0810.09
#FFFFFF10.091.0021.001.00
#0000002.0821.001.0021.00
##FFFFFF10.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0047B1
Deuteranopia (green-blind)
#003CAB
Tritanopia (blue-blind)
#004F69
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #3928ad;
/* rgb */ color: rgb(57, 40, 173);
/* oklch */ color: oklch(39.9% 0.198 278.3);
Tailwind
colors: {
  custom: {
    50: '#8065c7',
    500: '#3928ad',
    950: '#000000',
  },
}
SCSS
$custom: #3928ad;
$custom-light: #8065c7;
$custom-dark: #000000;
JSON
{
  "hex": "#3928ad",
  "rgb": {
    "r": 57,
    "g": 40,
    "b": 173
  },
  "hsl": {
    "h": 247.669,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39868,
    "c": 0.19755,
    "h": 278.3
  },
  "luminance": 0.05405
}

Semantic roles & 50–950 ramp

primary
#3928AD
secondary
#BAC56C
accent
#E642D1
background
#F8F6FC
surface
#F0EBF8
border
#CBC6D1
text
#0C0613
muted
#7D7A82

Preview Lab

Preview with #3928AD

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

Preview Lab → · Contrast checker → · Palette generator →

#3928AD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva