#3945C0#3945C0

#3945C0 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.2% C 0.190 H 272.2°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#3945C0
RGB	rgb(57, 69, 192)
HSL	hsl(235, 54%, 49%)
HSV	hsv(235, 70%, 75%)
CMYK	cmyk(70.3%, 64.1%, 0%, 24.7%)
CIE-LAB	lab(35.85, 36.26, -65.80)
CIE-LCH	lch(35.85, 75.13, 298.86°)
OKLab	oklab(46.16% 0.0072 -0.19)
OKLCH	oklch(46.16% 0.19 272.2)
XYZ	xyz(13.3267, 8.9306, 50.8804)
Luminance	0.0893 (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

#3945C0 #C0B439

analogous

#3989C0 #3945C0 #7139C0

triadic

#3945C0 #C03945 #45C039

tetradic

#3945C0 #C03989 #C0B439 #39C071

square

#3945C0 #C03989 #C0B439 #39C071

split-complementary

#3945C0 #C07139 #89C039

monochromatic

#1D2362 #2B3491 #3945C0 #656FD1 #949BDF

Accessibility & contrast

On white

7.54

#3945C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3945C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945C0

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945C0	#FFFFFF	#000000	##FFFFFF
##3945C0	1.00	7.54	2.79	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC4

Deuteranopia (green-blind)

#004EBE

Tritanopia (blue-blind)

#00657C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3945c0;
/* rgb */ color: rgb(57, 69, 192);
/* oklch */ color: oklch(46.2% 0.190 272.2);

Tailwind

colors: {
  custom: {
    50: '#8179d4',
    500: '#3945c0',
    950: '#000000',
  },
}

SCSS

$custom: #3945c0;
$custom-light: #8179d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3945c0",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 192
  },
  "hsl": {
    "h": 234.667,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.46157,
    "c": 0.19019,
    "h": 272.2
  },
  "luminance": 0.08932
}

Semantic roles & 50–950 ramp

primary

#3945C0

secondary

#CBC58A

accent

#D04ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3945C0

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

Preview Lab → · Contrast checker → · Palette generator →