#3945C4#3945C4

#3945C4 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.5% C 0.195 H 272.0°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#3945C4
RGB	rgb(57, 69, 196)
HSL	hsl(235, 55%, 50%)
HSV	hsv(235, 71%, 77%)
CMYK	cmyk(70.9%, 64.8%, 0%, 23.1%)
CIE-LAB	lab(36.20, 37.66, -67.58)
CIE-LCH	lch(36.20, 77.36, 299.13°)
OKLab	oklab(46.52% 0.0069 -0.1952)
OKLCH	oklch(46.52% 0.195 272)
XYZ	xyz(13.7759, 9.1103, 53.2463)
Luminance	0.0911 (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

#3945C4 #C4B839

analogous

#398BC4 #3945C4 #7239C4

triadic

#3945C4 #C43945 #45C439

tetradic

#3945C4 #C4398B #C4B839 #39C472

square

#3945C4 #C4398B #C4B839 #39C472

split-complementary

#3945C4 #C47239 #8BC439

monochromatic

#1D2465 #2B3495 #3945C4 #6771D3 #979DE1

Accessibility & contrast

On white

7.44

#3945C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3945C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945C4

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945C4	#FFFFFF	#000000	##FFFFFF
##3945C4	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC8

Deuteranopia (green-blind)

#004FC2

Tritanopia (blue-blind)

#00667E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3945c4;
/* rgb */ color: rgb(57, 69, 196);
/* oklch */ color: oklch(46.5% 0.195 272.0);

Tailwind

colors: {
  custom: {
    50: '#8279d7',
    500: '#3945c4',
    950: '#000000',
  },
}

SCSS

$custom: #3945c4;
$custom-light: #8279d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3945c4",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 196
  },
  "hsl": {
    "h": 234.82,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.46516,
    "c": 0.19536,
    "h": 272
  },
  "luminance": 0.09112
}

Semantic roles & 50–950 ramp

primary

#3945C4

secondary

#CCC78D

accent

#D14ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3945C4

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

Preview Lab → · Contrast checker → · Palette generator →