#3931AC#3931AC

#3931AC is a dark, vivid blue. Relative luminance 0.060; OKLCH L 41.0% C 0.187 H 277.1°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#3931AC
RGB	rgb(57, 49, 172)
HSL	hsl(244, 56%, 43%)
HSV	hsv(244, 72%, 67%)
CMYK	cmyk(66.9%, 71.5%, 0%, 32.5%)
CIE-LAB	lab(29.52, 41.61, -64.33)
CIE-LCH	lch(29.52, 76.62, 302.90°)
OKLab	oklab(41.02% 0.0232 -0.1858)
OKLCH	oklch(41.02% 0.187 277.1)
XYZ	xyz(10.2296, 6.0442, 39.6493)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3931AC #A4AC31

analogous

#3167AC #3931AC #7631AC

triadic

#3931AC #AC3931 #31AC39

tetradic

#3931AC #AC3167 #A4AC31 #31AC76

square

#3931AC #AC3167 #A4AC31 #31AC76

split-complementary

#3931AC #AC7631 #67AC31

monochromatic

#19164D #29237C #3931AC #564ECC #837DDA

Accessibility & contrast

On white

9.51

#3931AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3931AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3931AC

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3931AC	#FFFFFF	#000000	##FFFFFF
##3931AC	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB0

Deuteranopia (green-blind)

#0040AA

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3931ac;
/* rgb */ color: rgb(57, 49, 172);
/* oklch */ color: oklch(41.0% 0.187 277.1);

Tailwind

colors: {
  custom: {
    50: '#7f6bc6',
    500: '#3931ac',
    950: '#000000',
  },
}

SCSS

$custom: #3931ac;
$custom-light: #7f6bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3931ac",
  "rgb": {
    "r": 57,
    "g": 49,
    "b": 172
  },
  "hsl": {
    "h": 243.902,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41019,
    "c": 0.18722,
    "h": 277.1
  },
  "luminance": 0.06045
}

Semantic roles & 50–950 ramp

primary

#3931AC

secondary

#BEC376

accent

#DF49D5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3931AC

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

Preview Lab → · Contrast checker → · Palette generator →