#3939A5#3939A5

#3939A5 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.6% C 0.169 H 276.2°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#3939A5
RGB	rgb(57, 57, 165)
HSL	hsl(240, 49%, 44%)
HSV	hsv(240, 65%, 65%)
CMYK	cmyk(65.5%, 65.5%, 0%, 35.3%)
CIE-LAB	lab(30.67, 34.41, -58.25)
CIE-LCH	lch(30.67, 67.65, 300.57°)
OKLab	oklab(41.65% 0.0182 -0.168)
OKLCH	oklch(41.65% 0.169 276.2)
XYZ	xyz(9.9398, 6.5119, 36.3231)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.05

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3939A5 #A5A539

analogous

#396FA5 #3939A5 #6F39A5

triadic

#3939A5 #A53939 #39A539

tetradic

#3939A5 #A5396F #A5A539 #39A56F

square

#3939A5 #A5396F #A5A539 #39A56F

split-complementary

#3939A5 #A56F39 #6FA539

monochromatic

#1A1A4A #292978 #3939A5 #5656C5 #8484D4

Accessibility & contrast

On white

9.12

#3939A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#3939A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3939A5

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3939A5	#FFFFFF	#000000	##FFFFFF
##3939A5	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA8

Deuteranopia (green-blind)

#0043A3

Tritanopia (blue-blind)

#00556A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3939a5;
/* rgb */ color: rgb(57, 57, 165);
/* oklch */ color: oklch(41.6% 0.169 276.2);

Tailwind

colors: {
  custom: {
    50: '#7d70c1',
    500: '#3939a5',
    950: '#000000',
  },
}

SCSS

$custom: #3939a5;
$custom-light: #7d70c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3939a5",
  "rgb": {
    "r": 57,
    "g": 57,
    "b": 165
  },
  "hsl": {
    "h": 240,
    "s": 48.649,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4165,
    "c": 0.16894,
    "h": 276.2
  },
  "luminance": 0.06513
}

Semantic roles & 50–950 ramp

primary

#3939A5

secondary

#BEBE7B

accent

#D850D8

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3939A5

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

Preview Lab → · Contrast checker → · Palette generator →