#3945AC#3945AC

#3945AC is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.4% C 0.163 H 272.8°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#3945AC
RGB	rgb(57, 69, 172)
HSL	hsl(234, 50%, 45%)
HSV	hsv(234, 67%, 67%)
CMYK	cmyk(66.9%, 59.9%, 0%, 32.5%)
CIE-LAB	lab(34.20, 29.19, -56.68)
CIE-LCH	lch(34.20, 63.76, 297.25°)
OKLab	oklab(44.43% 0.0079 -0.1633)
OKLCH	oklch(44.43% 0.163 272.8)
XYZ	xyz(11.2594, 8.1036, 39.9925)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.40

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3945AC #ACA039

analogous

#397FAC #3945AC #6639AC

triadic

#3945AC #AC3945 #45AC39

tetradic

#3945AC #AC397F #ACA039 #39AC66

square

#3945AC #AC397F #ACA039 #39AC66

split-complementary

#3945AC #AC6639 #7FAC39

monochromatic

#1B2050 #2A337E #3945AC #5A65C8 #8890D8

Accessibility & contrast

On white

8.01

#3945AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3945AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945AC

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945AC	#FFFFFF	#000000	##FFFFFF
##3945AC	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AF

Deuteranopia (green-blind)

#004BAA

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3945ac;
/* rgb */ color: rgb(57, 69, 172);
/* oklch */ color: oklch(44.4% 0.163 272.8);

Tailwind

colors: {
  custom: {
    50: '#7d78c6',
    500: '#3945ac',
    950: '#000000',
  },
}

SCSS

$custom: #3945ac;
$custom-light: #7d78c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3945ac",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 172
  },
  "hsl": {
    "h": 233.739,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.44426,
    "c": 0.16347,
    "h": 272.8
  },
  "luminance": 0.08105
}

Semantic roles & 50–950 ramp

primary

#3945AC

secondary

#C2BB7F

accent

#CB4EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3945AC

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

Preview Lab → · Contrast checker → · Palette generator →