#3945AF#3945AF

#3945AF is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.7% C 0.168 H 272.7°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#3945AF
RGB	rgb(57, 69, 175)
HSL	hsl(234, 51%, 45%)
HSV	hsv(234, 67%, 69%)
CMYK	cmyk(67.4%, 60.6%, 0%, 31.4%)
CIE-LAB	lab(34.44, 30.26, -58.08)
CIE-LCH	lch(34.44, 65.49, 297.52°)
OKLab	oklab(44.68% 0.0078 -0.1674)
OKLCH	oklch(44.68% 0.168 272.7)
XYZ	xyz(11.5507, 8.2202, 41.5271)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.08

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3945AF #AFA339

analogous

#3980AF #3945AF #6839AF

triadic

#3945AF #AF3945 #45AF39

tetradic

#3945AF #AF3980 #AFA339 #39AF68

square

#3945AF #AF3980 #AFA339 #39AF68

split-complementary

#3945AF #AF6839 #80AF39

monochromatic

#1B2153 #2A3381 #3945AF #5B67CA #8A92D9

Accessibility & contrast

On white

7.94

#3945AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3945AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945AF

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945AF	#FFFFFF	#000000	##FFFFFF
##3945AF	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B2

Deuteranopia (green-blind)

#004CAD

Tritanopia (blue-blind)

#005F73

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3945af;
/* rgb */ color: rgb(57, 69, 175);
/* oklch */ color: oklch(44.7% 0.168 272.7);

Tailwind

colors: {
  custom: {
    50: '#7e78c8',
    500: '#3945af',
    950: '#000000',
  },
}

SCSS

$custom: #3945af;
$custom-light: #7e78c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3945af",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 175
  },
  "hsl": {
    "h": 233.898,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.44678,
    "c": 0.16756,
    "h": 272.7
  },
  "luminance": 0.08221
}

Semantic roles & 50–950 ramp

primary

#3945AF

secondary

#C3BC81

accent

#CC4DDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3945AF

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

Preview Lab → · Contrast checker → · Palette generator →