#3948C1#3948C1

#3948C1 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.8% C 0.188 H 271.5°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#3948C1
RGB	rgb(57, 72, 193)
HSL	hsl(233, 54%, 49%)
HSV	hsv(233, 70%, 76%)
CMYK	cmyk(70.5%, 62.7%, 0%, 24.3%)
CIE-LAB	lab(36.66, 34.73, -65.07)
CIE-LCH	lch(36.66, 73.76, 298.09°)
OKLab	oklab(46.78% 0.005 -0.1879)
OKLCH	oklch(46.78% 0.188 271.5)
XYZ	xyz(13.6271, 9.3535, 51.5290)
Luminance	0.0935 (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

#3948C1 #C1B239

analogous

#398CC1 #3948C1 #6E39C1

triadic

#3948C1 #C13948 #48C139

tetradic

#3948C1 #C1398C #C1B239 #39C16E

square

#3948C1 #C1398C #C1B239 #39C16E

split-complementary

#3948C1 #C16E39 #8CC139

monochromatic

#1D2563 #2B3692 #3948C1 #6671D2 #959DE0

Accessibility & contrast

On white

7.31

#3948C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#3948C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3948C1

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948C1	#FFFFFF	#000000	##FFFFFF
##3948C1	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC5

Deuteranopia (green-blind)

#0050BF

Tritanopia (blue-blind)

#00677E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3948c1;
/* rgb */ color: rgb(57, 72, 193);
/* oklch */ color: oklch(46.8% 0.188 271.5);

Tailwind

colors: {
  custom: {
    50: '#817bd5',
    500: '#3948c1',
    950: '#000000',
  },
}

SCSS

$custom: #3948c1;
$custom-light: #817bd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3948c1",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 193
  },
  "hsl": {
    "h": 233.382,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.46775,
    "c": 0.18794,
    "h": 271.5
  },
  "luminance": 0.09355
}

Semantic roles & 50–950 ramp

primary

#3948C1

secondary

#CBC48B

accent

#CD4ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3948C1

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

Preview Lab → · Contrast checker → · Palette generator →