#3940AE#3940AE

#3940AE is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.7% C 0.172 H 274.0°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#3940AE
RGB	rgb(57, 64, 174)
HSL	hsl(236, 51%, 45%)
HSV	hsv(236, 67%, 68%)
CMYK	cmyk(67.2%, 63.2%, 0%, 31.8%)
CIE-LAB	lab(33.12, 33.11, -59.64)
CIE-LCH	lch(33.12, 68.21, 299.04°)
OKLab	oklab(43.68% 0.0119 -0.172)
OKLCH	oklch(43.68% 0.172 274)
XYZ	xyz(11.1582, 7.5916, 40.9135)
Luminance	0.0759 (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

#3940AE #AEA739

analogous

#397BAE #3940AE #6C39AE

triadic

#3940AE #AE3940 #40AE39

tetradic

#3940AE #AE397B #AEA739 #39AE6C

square

#3940AE #AE397B #AEA739 #39AE6C

split-complementary

#3940AE #AE6C39 #7BAE39

monochromatic

#1B1E52 #2A2F80 #3940AE #5B62C9 #898ED8

Accessibility & contrast

On white

8.34

#3940AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3940AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3940AE

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3940AE	#FFFFFF	#000000	##FFFFFF
##3940AE	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B2

Deuteranopia (green-blind)

#0049AC

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3940ae;
/* rgb */ color: rgb(57, 64, 174);
/* oklch */ color: oklch(43.7% 0.172 274.0);

Tailwind

colors: {
  custom: {
    50: '#7e75c7',
    500: '#3940ae',
    950: '#000000',
  },
}

SCSS

$custom: #3940ae;
$custom-light: #7e75c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3940ae",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 174
  },
  "hsl": {
    "h": 236.41,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.4368,
    "c": 0.17241,
    "h": 274
  },
  "luminance": 0.07593
}

Semantic roles & 50–950 ramp

primary

#3940AE

secondary

#C3BF80

accent

#D24EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3940AE

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

Preview Lab → · Contrast checker → · Palette generator →