#3948BD#3948BD

#3948BD is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.4% C 0.183 H 271.6°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#3948BD
RGB	rgb(57, 72, 189)
HSL	hsl(233, 54%, 48%)
HSV	hsv(233, 70%, 74%)
CMYK	cmyk(69.8%, 61.9%, 0%, 25.9%)
CIE-LAB	lab(36.32, 33.31, -63.27)
CIE-LCH	lch(36.32, 71.50, 297.77°)
OKLab	oklab(46.43% 0.0051 -0.1826)
OKLCH	oklch(46.43% 0.183 271.6)
XYZ	xyz(13.1869, 9.1774, 49.2107)
Luminance	0.0918 (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

#3948BD #BDAE39

analogous

#398ABD #3948BD #6C39BD

triadic

#3948BD #BD3948 #48BD39

tetradic

#3948BD #BD398A #BDAE39 #39BD6C

square

#3948BD #BD398A #BDAE39 #39BD6C

split-complementary

#3948BD #BD6C39 #8ABD39

monochromatic

#1D245F #2B368E #3948BD #6370D0 #929BDE

Accessibility & contrast

On white

7.41

#3948BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#3948BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3948BD

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948BD	#FFFFFF	#000000	##FFFFFF
##3948BD	1.00	7.41	2.84	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC1

Deuteranopia (green-blind)

#004FBB

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3948bd;
/* rgb */ color: rgb(57, 72, 189);
/* oklch */ color: oklch(46.4% 0.183 271.6);

Tailwind

colors: {
  custom: {
    50: '#817bd2',
    500: '#3948bd',
    950: '#000000',
  },
}

SCSS

$custom: #3948bd;
$custom-light: #817bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3948bd",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 189
  },
  "hsl": {
    "h": 233.182,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.46427,
    "c": 0.18266,
    "h": 271.6
  },
  "luminance": 0.09179
}

Semantic roles & 50–950 ramp

primary

#3948BD

secondary

#C9C289

accent

#CC4BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3948BD

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

Preview Lab → · Contrast checker → · Palette generator →