#3931A9#3931A9

#3931A9 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.7% C 0.183 H 277.4°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#3931A9
RGB	rgb(57, 49, 169)
HSL	hsl(244, 55%, 43%)
HSV	hsv(244, 71%, 66%)
CMYK	cmyk(66.3%, 71%, 0%, 33.7%)
CIE-LAB	lab(29.24, 40.63, -63.00)
CIE-LCH	lch(29.24, 74.97, 302.82°)
OKLab	oklab(40.73% 0.0237 -0.1819)
OKLCH	oklch(40.73% 0.183 277.4)
XYZ	xyz(9.9448, 5.9302, 38.1490)
Luminance	0.0593 (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

#3931A9 #A1A931

analogous

#3165A9 #3931A9 #7531A9

triadic

#3931A9 #A93931 #31A939

tetradic

#3931A9 #A93165 #A1A931 #31A975

square

#3931A9 #A93165 #A1A931 #31A975

split-complementary

#3931A9 #A97531 #65A931

monochromatic

#19154A #29237A #3931A9 #554CCB #827CD9

Accessibility & contrast

On white

9.61

#3931A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3931A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3931A9

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3931A9	#FFFFFF	#000000	##FFFFFF
##3931A9	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAD

Deuteranopia (green-blind)

#0040A7

Tritanopia (blue-blind)

#005269

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3931a9;
/* rgb */ color: rgb(57, 49, 169);
/* oklch */ color: oklch(40.7% 0.183 277.4);

Tailwind

colors: {
  custom: {
    50: '#7e6ac4',
    500: '#3931a9',
    950: '#000000',
  },
}

SCSS

$custom: #3931a9;
$custom-light: #7e6ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3931a9",
  "rgb": {
    "r": 57,
    "g": 49,
    "b": 169
  },
  "hsl": {
    "h": 244,
    "s": 55.046,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40726,
    "c": 0.18342,
    "h": 277.4
  },
  "luminance": 0.05931
}

Semantic roles & 50–950 ramp

primary

#3931A9

secondary

#BCC174

accent

#DE49D4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3931A9

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

Preview Lab → · Contrast checker → · Palette generator →