#3941AD#3941AD

#3941AD is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.8% C 0.170 H 273.8°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#3941AD
RGB	rgb(57, 65, 173)
HSL	hsl(236, 50%, 45%)
HSV	hsv(236, 67%, 68%)
CMYK	cmyk(67.1%, 62.4%, 0%, 32.2%)
CIE-LAB	lab(33.28, 32.12, -58.78)
CIE-LCH	lch(33.28, 66.98, 298.66°)
OKLab	oklab(43.77% 0.0112 -0.1695)
OKLCH	oklch(43.77% 0.17 273.8)
XYZ	xyz(11.1180, 7.6666, 40.4210)
Luminance	0.0767 (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

#3941AD #ADA539

analogous

#397BAD #3941AD #6B39AD

triadic

#3941AD #AD3941 #41AD39

tetradic

#3941AD #AD397B #ADA539 #39AD6B

square

#3941AD #AD397B #ADA539 #39AD6B

split-complementary

#3941AD #AD6B39 #7BAD39

monochromatic

#1B1E51 #2A307F #3941AD #5A62C9 #888ED8

Accessibility & contrast

On white

8.29

#3941AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3941AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3941AD

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3941AD	#FFFFFF	#000000	##FFFFFF
##3941AD	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B1

Deuteranopia (green-blind)

#0049AB

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3941ad;
/* rgb */ color: rgb(57, 65, 173);
/* oklch */ color: oklch(43.8% 0.170 273.8);

Tailwind

colors: {
  custom: {
    50: '#7e75c6',
    500: '#3941ad',
    950: '#000000',
  },
}

SCSS

$custom: #3941ad;
$custom-light: #7e75c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3941ad",
  "rgb": {
    "r": 57,
    "g": 65,
    "b": 173
  },
  "hsl": {
    "h": 235.862,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.43772,
    "c": 0.16984,
    "h": 273.8
  },
  "luminance": 0.07668
}

Semantic roles & 50–950 ramp

primary

#3941AD

secondary

#C2BE80

accent

#D04EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3941AD

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

Preview Lab → · Contrast checker → · Palette generator →