#3940A6#3940A6

#3940A6 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.162 H 274.4°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#3940A6
RGB	rgb(57, 64, 166)
HSL	hsl(236, 49%, 44%)
HSV	hsv(236, 66%, 65%)
CMYK	cmyk(65.7%, 61.4%, 0%, 34.9%)
CIE-LAB	lab(32.46, 30.30, -55.93)
CIE-LCH	lch(32.46, 63.61, 298.45°)
OKLab	oklab(42.99% 0.0123 -0.1611)
OKLCH	oklch(42.99% 0.162 274.4)
XYZ	xyz(10.4014, 7.2889, 36.9278)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3940A6 #A69F39

analogous

#3976A6 #3940A6 #6839A6

triadic

#3940A6 #A63940 #40A639

tetradic

#3940A6 #A63976 #A69F39 #39A668

square

#3940A6 #A63976 #A69F39 #39A668

split-complementary

#3940A6 #A66839 #76A639

monochromatic

#1A1D4B #292E78 #3940A6 #575EC5 #848AD5

Accessibility & contrast

On white

8.54

#3940A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3940A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3940A6

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3940A6	#FFFFFF	#000000	##FFFFFF
##3940A6	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A9

Deuteranopia (green-blind)

#0048A4

Tritanopia (blue-blind)

#00596D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3940a6;
/* rgb */ color: rgb(57, 64, 166);
/* oklch */ color: oklch(43.0% 0.162 274.4);

Tailwind

colors: {
  custom: {
    50: '#7c75c1',
    500: '#3940a6',
    950: '#000000',
  },
}

SCSS

$custom: #3940a6;
$custom-light: #7c75c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3940a6",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 166
  },
  "hsl": {
    "h": 236.147,
    "s": 48.879,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42987,
    "c": 0.16158,
    "h": 274.4
  },
  "luminance": 0.0729
}

Semantic roles & 50–950 ramp

primary

#3940A6

secondary

#BFBB7C

accent

#D04FD8

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3940A6

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

Preview Lab → · Contrast checker → · Palette generator →