#3927A3#3927A3

#3927A3 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.7% C 0.186 H 279.7°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#3927A3
RGB	rgb(57, 39, 163)
HSL	hsl(249, 61%, 40%)
HSV	hsv(249, 76%, 64%)
CMYK	cmyk(65%, 76.1%, 0%, 36.1%)
CIE-LAB	lab(26.63, 44.31, -63.66)
CIE-LCH	lch(26.63, 77.57, 304.84°)
OKLab	oklab(38.7% 0.0315 -0.1838)
OKLCH	oklch(38.7% 0.186 279.7)
XYZ	xyz(9.0216, 4.9645, 35.1261)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3927A3 #91A327

analogous

#2753A3 #3927A3 #7727A3

triadic

#3927A3 #A33927 #27A339

tetradic

#3927A3 #A32753 #91A327 #27A377

square

#3927A3 #A32753 #91A327 #27A377

split-complementary

#3927A3 #A37727 #53A327

monochromatic

#160F40 #281B72 #3927A3 #4E38CF #7A69DB

Accessibility & contrast

On white

10.54

#3927A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#3927A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3927A3

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3927A3	#FFFFFF	#000000	##FFFFFF
##3927A3	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A7

Deuteranopia (green-blind)

#003AA1

Tritanopia (blue-blind)

#004B63

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3927a3;
/* rgb */ color: rgb(57, 39, 163);
/* oklch */ color: oklch(38.7% 0.186 279.7);

Tailwind

colors: {
  custom: {
    50: '#7e64bf',
    500: '#3927a3',
    950: '#000000',
  },
}

SCSS

$custom: #3927a3;
$custom-light: #7e64bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3927a3",
  "rgb": {
    "r": 57,
    "g": 39,
    "b": 163
  },
  "hsl": {
    "h": 248.71,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38699,
    "c": 0.18646,
    "h": 279.7
  },
  "luminance": 0.04965
}

Semantic roles & 50–950 ramp

primary

#3927A3

secondary

#B4C164

accent

#E443CD

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #3927A3

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

Preview Lab → · Contrast checker → · Palette generator →