#3948C0#3948C0

#3948C0 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.7% C 0.187 H 271.5°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#3948C0
RGB	rgb(57, 72, 192)
HSL	hsl(233, 54%, 49%)
HSV	hsv(233, 70%, 75%)
CMYK	cmyk(70.3%, 62.5%, 0%, 24.7%)
CIE-LAB	lab(36.57, 34.37, -64.62)
CIE-LCH	lch(36.57, 73.20, 298.01°)
OKLab	oklab(46.69% 0.005 -0.1866)
OKLCH	oklch(46.69% 0.187 271.5)
XYZ	xyz(13.5159, 9.3090, 50.9435)
Luminance	0.0931 (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

#3948C0 #C0B139

analogous

#398CC0 #3948C0 #6E39C0

triadic

#3948C0 #C03948 #48C039

tetradic

#3948C0 #C0398C #C0B139 #39C06E

square

#3948C0 #C0398C #C0B139 #39C06E

split-complementary

#3948C0 #C06E39 #8CC039

monochromatic

#1D2562 #2B3691 #3948C0 #6571D1 #949CDF

Accessibility & contrast

On white

7.34

#3948C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#3948C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3948C0

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948C0	#FFFFFF	#000000	##FFFFFF
##3948C0	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC4

Deuteranopia (green-blind)

#0050BE

Tritanopia (blue-blind)

#00677D

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3948c0;
/* rgb */ color: rgb(57, 72, 192);
/* oklch */ color: oklch(46.7% 0.187 271.5);

Tailwind

colors: {
  custom: {
    50: '#817bd4',
    500: '#3948c0',
    950: '#000000',
  },
}

SCSS

$custom: #3948c0;
$custom-light: #817bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3948c0",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 192
  },
  "hsl": {
    "h": 233.333,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.46688,
    "c": 0.18663,
    "h": 271.5
  },
  "luminance": 0.0931
}

Semantic roles & 50–950 ramp

primary

#3948C0

secondary

#CBC38A

accent

#CD4ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3948C0

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

Preview Lab → · Contrast checker → · Palette generator →