#3940A2#3940A2

#3940A2 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.6% C 0.156 H 274.5°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#3940A2
RGB	rgb(57, 64, 162)
HSL	hsl(236, 48%, 43%)
HSV	hsv(236, 65%, 64%)
CMYK	cmyk(64.8%, 60.5%, 0%, 36.5%)
CIE-LAB	lab(32.13, 28.89, -54.05)
CIE-LCH	lch(32.13, 61.28, 298.12°)
OKLab	oklab(42.65% 0.0124 -0.1556)
OKLCH	oklch(42.65% 0.156 274.5)
XYZ	xyz(10.0402, 7.1444, 35.0253)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3940A2 #A29B39

analogous

#3974A2 #3940A2 #6639A2

triadic

#3940A2 #A23940 #40A239

tetradic

#3940A2 #A23974 #A29B39 #39A266

square

#3940A2 #A23974 #A29B39 #39A266

split-complementary

#3940A2 #A26639 #74A239

monochromatic

#191C47 #292E75 #3940A2 #555CC3 #8288D3

Accessibility & contrast

On white

8.65

#3940A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3940A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3940A2

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3940A2	#FFFFFF	#000000	##FFFFFF
##3940A2	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A5

Deuteranopia (green-blind)

#0047A0

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3940a2;
/* rgb */ color: rgb(57, 64, 162);
/* oklch */ color: oklch(42.6% 0.156 274.5);

Tailwind

colors: {
  custom: {
    50: '#7b75be',
    500: '#3940a2',
    950: '#000000',
  },
}

SCSS

$custom: #3940a2;
$custom-light: #7b75be;
$custom-dark: #000000;

JSON

{
  "hex": "#3940a2",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 162
  },
  "hsl": {
    "h": 236,
    "s": 47.945,
    "l": 42.941
  },
  "oklch": {
    "l": 0.42648,
    "c": 0.15607,
    "h": 274.5
  },
  "luminance": 0.07145
}

Semantic roles & 50–950 ramp

primary

#3940A2

secondary

#BDB87A

accent

#CF50D8

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3940A2

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

Preview Lab → · Contrast checker → · Palette generator →