#3945BF#3945BF

#3945BF is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.1% C 0.189 H 272.2°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#3945BF
RGB	rgb(57, 69, 191)
HSL	hsl(235, 54%, 49%)
HSV	hsv(235, 70%, 75%)
CMYK	cmyk(70.2%, 63.9%, 0%, 25.1%)
CIE-LAB	lab(35.76, 35.91, -65.36)
CIE-LCH	lch(35.76, 74.57, 298.79°)
OKLab	oklab(46.07% 0.0072 -0.1887)
OKLCH	oklch(46.07% 0.189 272.2)
XYZ	xyz(13.2163, 8.8864, 50.2989)
Luminance	0.0889 (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

#3945BF #BFB339

analogous

#3988BF #3945BF #7039BF

triadic

#3945BF #BF3945 #45BF39

tetradic

#3945BF #BF3988 #BFB339 #39BF70

square

#3945BF #BF3988 #BFB339 #39BF70

split-complementary

#3945BF #BF7039 #88BF39

monochromatic

#1D2361 #2B3490 #3945BF #646ED1 #939ADF

Accessibility & contrast

On white

7.56

#3945BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3945BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945BF

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945BF	#FFFFFF	#000000	##FFFFFF
##3945BF	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC3

Deuteranopia (green-blind)

#004EBD

Tritanopia (blue-blind)

#00657B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3945bf;
/* rgb */ color: rgb(57, 69, 191);
/* oklch */ color: oklch(46.1% 0.189 272.2);

Tailwind

colors: {
  custom: {
    50: '#8179d3',
    500: '#3945bf',
    950: '#000000',
  },
}

SCSS

$custom: #3945bf;
$custom-light: #8179d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3945bf",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 191
  },
  "hsl": {
    "h": 234.627,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.46068,
    "c": 0.18888,
    "h": 272.2
  },
  "luminance": 0.08888
}

Semantic roles & 50–950 ramp

primary

#3945BF

secondary

#CAC48A

accent

#D04ADD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3945BF

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

Preview Lab → · Contrast checker → · Palette generator →