#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
RGB	rgb(57, 40, 173)
HSL	hsl(248, 62%, 42%)
HSV	hsv(248, 77%, 68%)
CMYK	cmyk(67.1%, 76.9%, 0%, 32.2%)
CIE-LAB	lab(27.86, 46.91, -67.68)
CIE-LCH	lch(27.86, 82.34, 304.72°)
OKLab	oklab(39.87% 0.0285 -0.1955)
OKLCH	oklch(39.87% 0.198 278.3)
XYZ	xyz(9.9865, 5.4037, 40.0438)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

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
##3928AD	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

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 →