#3927AC#3927AC

#3927AC is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.6% C 0.197 H 278.5°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#3927AC
RGB	rgb(57, 39, 172)
HSL	hsl(248, 63%, 41%)
HSV	hsv(248, 77%, 67%)
CMYK	cmyk(66.9%, 77.3%, 0%, 32.5%)
CIE-LAB	lab(27.57, 47.11, -67.55)
CIE-LCH	lch(27.57, 82.36, 304.89°)
OKLab	oklab(39.64% 0.0293 -0.1951)
OKLCH	oklch(39.64% 0.197 278.5)
XYZ	xyz(9.8569, 5.2986, 39.5250)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3927AC #9AAC27

analogous

#2758AC #3927AC #7C27AC

triadic

#3927AC #AC3927 #27AC39

tetradic

#3927AC #AC2758 #9AAC27 #27AC7C

square

#3927AC #AC2758 #9AAC27 #27AC7C

split-complementary

#3927AC #AC7C27 #58AC27

monochromatic

#181048 #281C7A #3927AC #513DD3 #7E6FDE

Accessibility & contrast

On white

10.20

#3927AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#3927AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3927AC

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3927AC	#FFFFFF	#000000	##FFFFFF
##3927AC	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B0

Deuteranopia (green-blind)

#003CAA

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3927ac;
/* rgb */ color: rgb(57, 39, 172);
/* oklch */ color: oklch(39.6% 0.197 278.5);

Tailwind

colors: {
  custom: {
    50: '#8064c6',
    500: '#3927ac',
    950: '#000000',
  },
}

SCSS

$custom: #3927ac;
$custom-light: #8064c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3927ac",
  "rgb": {
    "r": 57,
    "g": 39,
    "b": 172
  },
  "hsl": {
    "h": 248.12,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39636,
    "c": 0.19729,
    "h": 278.5
  },
  "luminance": 0.05299
}

Semantic roles & 50–950 ramp

primary

#3927AC

secondary

#B9C56A

accent

#E642D0

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3927AC

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

Preview Lab → · Contrast checker → · Palette generator →