#3931AF#3931AF

#3931AF is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.3% C 0.191 H 276.8°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#3931AF
RGB	rgb(57, 49, 175)
HSL	hsl(244, 56%, 44%)
HSV	hsv(244, 72%, 69%)
CMYK	cmyk(67.4%, 72%, 0%, 31.4%)
CIE-LAB	lab(29.81, 42.60, -65.65)
CIE-LCH	lch(29.81, 78.26, 302.98°)
OKLab	oklab(41.32% 0.0226 -0.1896)
OKLCH	oklch(41.32% 0.191 276.8)
XYZ	xyz(10.5210, 6.1607, 41.1838)
Luminance	0.0616 (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

#3931AF #A7AF31

analogous

#3168AF #3931AF #7831AF

triadic

#3931AF #AF3931 #31AF39

tetradic

#3931AF #AF3168 #A7AF31 #31AF78

square

#3931AF #AF3168 #A7AF31 #31AF78

split-complementary

#3931AF #AF7831 #68AF31

monochromatic

#1A164F #29247F #3931AF #574FCE #857FDB

Accessibility & contrast

On white

9.41

#3931AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3931AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3931AF

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3931AF	#FFFFFF	#000000	##FFFFFF
##3931AF	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB3

Deuteranopia (green-blind)

#0041AD

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3931af;
/* rgb */ color: rgb(57, 49, 175);
/* oklch */ color: oklch(41.3% 0.191 276.8);

Tailwind

colors: {
  custom: {
    50: '#7f6bc8',
    500: '#3931af',
    950: '#000000',
  },
}

SCSS

$custom: #3931af;
$custom-light: #7f6bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3931af",
  "rgb": {
    "r": 57,
    "g": 49,
    "b": 175
  },
  "hsl": {
    "h": 243.81,
    "s": 56.25,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41315,
    "c": 0.19098,
    "h": 276.8
  },
  "luminance": 0.06162
}

Semantic roles & 50–950 ramp

primary

#3931AF

secondary

#BFC478

accent

#E048D6

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3931AF

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

Preview Lab → · Contrast checker → · Palette generator →