#3931A3#3931A3

#3931A3 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.1% C 0.176 H 278.1°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#3931A3
RGB	rgb(57, 49, 163)
HSL	hsl(244, 54%, 42%)
HSV	hsv(244, 70%, 64%)
CMYK	cmyk(65%, 69.9%, 0%, 36.1%)
CIE-LAB	lab(28.67, 38.64, -60.31)
CIE-LCH	lch(28.67, 71.63, 302.65°)
OKLab	oklab(40.15% 0.0246 -0.174)
OKLCH	oklch(40.15% 0.176 278.1)
XYZ	xyz(9.3944, 5.7101, 35.2503)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3931A3 #9BA331

analogous

#3162A3 #3931A3 #7231A3

triadic

#3931A3 #A33931 #31A339

tetradic

#3931A3 #A33162 #9BA331 #31A372

square

#3931A3 #A33162 #9BA331 #31A372

split-complementary

#3931A3 #A37231 #62A331

monochromatic

#181545 #292374 #3931A3 #5249C8 #7F78D6

Accessibility & contrast

On white

9.80

#3931A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3931A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3931A3

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3931A3	#FFFFFF	#000000	##FFFFFF
##3931A3	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A6

Deuteranopia (green-blind)

#003FA1

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3931a3;
/* rgb */ color: rgb(57, 49, 163);
/* oklch */ color: oklch(40.1% 0.176 278.1);

Tailwind

colors: {
  custom: {
    50: '#7d6abf',
    500: '#3931a3',
    950: '#000000',
  },
}

SCSS

$custom: #3931a3;
$custom-light: #7d6abf;
$custom-dark: #000000;

JSON

{
  "hex": "#3931a3",
  "rgb": {
    "r": 57,
    "g": 49,
    "b": 163
  },
  "hsl": {
    "h": 244.211,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40147,
    "c": 0.17577,
    "h": 278.1
  },
  "luminance": 0.05711
}

Semantic roles & 50–950 ramp

primary

#3931A3

secondary

#B9BF71

accent

#DD4BD3

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3931A3

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

Preview Lab → · Contrast checker → · Palette generator →