#3927AF#3927AF

#3927AF is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.0% C 0.201 H 278.2°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#3927AF
RGB	rgb(57, 39, 175)
HSL	hsl(248, 64%, 42%)
HSV	hsv(248, 78%, 69%)
CMYK	cmyk(67.4%, 77.7%, 0%, 31.4%)
CIE-LAB	lab(27.89, 48.04, -68.83)
CIE-LCH	lch(27.89, 83.93, 304.91°)
OKLab	oklab(39.95% 0.0285 -0.1988)
OKLCH	oklch(39.95% 0.201 278.2)
XYZ	xyz(10.1482, 5.4152, 41.0596)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3927AF #9DAF27

analogous

#2759AF #3927AF #7D27AF

triadic

#3927AF #AF3927 #27AF39

tetradic

#3927AF #AF2759 #9DAF27 #27AF7D

square

#3927AF #AF2759 #9DAF27 #27AF7D

split-complementary

#3927AF #AF7D27 #59AF27

monochromatic

#18114B #291C7D #3927AF #533FD4 #8071DF

Accessibility & contrast

On white

10.08

#3927AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3927AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3927AF

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3927AF	#FFFFFF	#000000	##FFFFFF
##3927AF	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B3

Deuteranopia (green-blind)

#003CAD

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3927af;
/* rgb */ color: rgb(57, 39, 175);
/* oklch */ color: oklch(40.0% 0.201 278.2);

Tailwind

colors: {
  custom: {
    50: '#8065c8',
    500: '#3927af',
    950: '#000000',
  },
}

SCSS

$custom: #3927af;
$custom-light: #8065c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3927af",
  "rgb": {
    "r": 57,
    "g": 39,
    "b": 175
  },
  "hsl": {
    "h": 247.941,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39952,
    "c": 0.20086,
    "h": 278.2
  },
  "luminance": 0.05416
}

Semantic roles & 50–950 ramp

primary

#3927AF

secondary

#BAC66B

accent

#E741D1

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3927AF

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

Preview Lab → · Contrast checker → · Palette generator →