#3928A5#3928A5

#3928A5 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 39.0% C 0.188 H 279.3°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#3928A5
RGB	rgb(57, 40, 165)
HSL	hsl(248, 61%, 40%)
HSV	hsv(248, 76%, 65%)
CMYK	cmyk(65.5%, 75.8%, 0%, 35.3%)
CIE-LAB	lab(27.03, 44.41, -64.22)
CIE-LCH	lch(27.03, 78.08, 304.66°)
OKLab	oklab(39.04% 0.0304 -0.1854)
OKLCH	oklch(39.04% 0.188 279.3)
XYZ	xyz(9.2355, 5.1033, 36.0884)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3928A5 #94A528

analogous

#2855A5 #3928A5 #7728A5

triadic

#3928A5 #A53928 #28A539

tetradic

#3928A5 #A52855 #94A528 #28A577

square

#3928A5 #A52855 #94A528 #28A577

split-complementary

#3928A5 #A57728 #55A528

monochromatic

#171042 #281C74 #3928A5 #4F3BCF #7B6CDB

Accessibility & contrast

On white

10.39

#3928A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3928A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3928A5

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3928A5	#FFFFFF	#000000	##FFFFFF
##3928A5	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A9

Deuteranopia (green-blind)

#003BA3

Tritanopia (blue-blind)

#004C65

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3928a5;
/* rgb */ color: rgb(57, 40, 165);
/* oklch */ color: oklch(39.0% 0.188 279.3);

Tailwind

colors: {
  custom: {
    50: '#7e65c1',
    500: '#3928a5',
    950: '#000000',
  },
}

SCSS

$custom: #3928a5;
$custom-light: #7e65c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3928a5",
  "rgb": {
    "r": 57,
    "g": 40,
    "b": 165
  },
  "hsl": {
    "h": 248.16,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39038,
    "c": 0.1879,
    "h": 279.3
  },
  "luminance": 0.05104
}

Semantic roles & 50–950 ramp

primary

#3928A5

secondary

#B6C267

accent

#E444CE

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3928A5

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

Preview Lab → · Contrast checker → · Palette generator →