#3927A9#3927A9

#3927A9 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.3% C 0.194 H 278.9°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#3927A9
RGB	rgb(57, 39, 169)
HSL	hsl(248, 63%, 41%)
HSV	hsv(248, 77%, 66%)
CMYK	cmyk(66.3%, 76.9%, 0%, 33.7%)
CIE-LAB	lab(27.25, 46.18, -66.27)
CIE-LCH	lch(27.25, 80.77, 304.87°)
OKLab	oklab(39.32% 0.03 -0.1914)
OKLCH	oklch(39.32% 0.194 278.9)
XYZ	xyz(9.5720, 5.1847, 38.0247)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3927A9 #97A927

analogous

#2756A9 #3927A9 #7A27A9

triadic

#3927A9 #A93927 #27A939

tetradic

#3927A9 #A92756 #97A927 #27A97A

square

#3927A9 #A92756 #97A927 #27A97A

split-complementary

#3927A9 #A97A27 #56A927

monochromatic

#171046 #281C77 #3927A9 #503BD2 #7D6DDD

Accessibility & contrast

On white

10.31

#3927A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3927A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3927A9

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3927A9	#FFFFFF	#000000	##FFFFFF
##3927A9	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AD

Deuteranopia (green-blind)

#003BA7

Tritanopia (blue-blind)

#004D67

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3927a9;
/* rgb */ color: rgb(57, 39, 169);
/* oklch */ color: oklch(39.3% 0.194 278.9);

Tailwind

colors: {
  custom: {
    50: '#7f64c4',
    500: '#3927a9',
    950: '#000000',
  },
}

SCSS

$custom: #3927a9;
$custom-light: #7f64c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3927a9",
  "rgb": {
    "r": 57,
    "g": 39,
    "b": 169
  },
  "hsl": {
    "h": 248.308,
    "s": 62.5,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39321,
    "c": 0.1937,
    "h": 278.9
  },
  "luminance": 0.05185
}

Semantic roles & 50–950 ramp

primary

#3927A9

secondary

#B7C468

accent

#E642CF

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3927A9

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

Preview Lab → · Contrast checker → · Palette generator →