#3945BD#3945BD

#3945BD is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.9% C 0.186 H 272.3°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#3945BD
RGB	rgb(57, 69, 189)
HSL	hsl(235, 54%, 48%)
HSV	hsv(235, 70%, 74%)
CMYK	cmyk(69.8%, 63.5%, 0%, 25.9%)
CIE-LAB	lab(35.59, 35.21, -64.46)
CIE-LCH	lch(35.59, 73.45, 298.64°)
OKLab	oklab(45.89% 0.0073 -0.1861)
OKLCH	oklch(45.89% 0.186 272.3)
XYZ	xyz(12.9977, 8.7990, 49.1476)
Luminance	0.0880 (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

#3945BD #BDB139

analogous

#3987BD #3945BD #6F39BD

triadic

#3945BD #BD3945 #45BD39

tetradic

#3945BD #BD3987 #BDB139 #39BD6F

square

#3945BD #BD3987 #BDB139 #39BD6F

split-complementary

#3945BD #BD6F39 #87BD39

monochromatic

#1D235F #2B348E #3945BD #636DD0 #9299DE

Accessibility & contrast

On white

7.61

#3945BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3945BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945BD

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945BD	#FFFFFF	#000000	##FFFFFF
##3945BD	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC1

Deuteranopia (green-blind)

#004EBB

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3945bd;
/* rgb */ color: rgb(57, 69, 189);
/* oklch */ color: oklch(45.9% 0.186 272.3);

Tailwind

colors: {
  custom: {
    50: '#8179d2',
    500: '#3945bd',
    950: '#000000',
  },
}

SCSS

$custom: #3945bd;
$custom-light: #8179d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3945bd",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 189
  },
  "hsl": {
    "h": 234.545,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.4589,
    "c": 0.18625,
    "h": 272.3
  },
  "luminance": 0.088
}

Semantic roles & 50–950 ramp

primary

#3945BD

secondary

#C9C389

accent

#D04BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3945BD

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

Preview Lab → · Contrast checker → · Palette generator →