#3941AC#3941AC

#3941AC is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.7% C 0.168 H 273.8°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#3941AC
RGB	rgb(57, 65, 172)
HSL	hsl(236, 50%, 45%)
HSV	hsv(236, 67%, 67%)
CMYK	cmyk(66.9%, 62.2%, 0%, 32.5%)
CIE-LAB	lab(33.20, 31.77, -58.32)
CIE-LCH	lch(33.20, 66.41, 298.58°)
OKLab	oklab(43.69% 0.0112 -0.1681)
OKLCH	oklch(43.69% 0.168 273.8)
XYZ	xyz(11.0216, 7.6280, 39.9133)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.77

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3941AC #ACA439

analogous

#397BAC #3941AC #6A39AC

triadic

#3941AC #AC3941 #41AC39

tetradic

#3941AC #AC397B #ACA439 #39AC6A

square

#3941AC #AC397B #ACA439 #39AC6A

split-complementary

#3941AC #AC6A39 #7BAC39

monochromatic

#1B1E50 #2A307E #3941AC #5A62C8 #888DD8

Accessibility & contrast

On white

8.31

#3941AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3941AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3941AC

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3941AC	#FFFFFF	#000000	##FFFFFF
##3941AC	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AF

Deuteranopia (green-blind)

#0049AA

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3941ac;
/* rgb */ color: rgb(57, 65, 172);
/* oklch */ color: oklch(43.7% 0.168 273.8);

Tailwind

colors: {
  custom: {
    50: '#7d75c6',
    500: '#3941ac',
    950: '#000000',
  },
}

SCSS

$custom: #3941ac;
$custom-light: #7d75c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3941ac",
  "rgb": {
    "r": 57,
    "g": 65,
    "b": 172
  },
  "hsl": {
    "h": 235.826,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.43685,
    "c": 0.16848,
    "h": 273.8
  },
  "luminance": 0.07629
}

Semantic roles & 50–950 ramp

primary

#3941AC

secondary

#C2BD7F

accent

#D04EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3941AC

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

Preview Lab → · Contrast checker → · Palette generator →