#3945C1#3945C1

#3945C1 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.2% C 0.191 H 272.1°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#3945C1
RGB	rgb(57, 69, 193)
HSL	hsl(235, 54%, 49%)
HSV	hsv(235, 70%, 76%)
CMYK	cmyk(70.5%, 64.2%, 0%, 24.3%)
CIE-LAB	lab(35.94, 36.61, -66.25)
CIE-LCH	lch(35.94, 75.69, 298.93°)
OKLab	oklab(46.25% 0.0071 -0.1913)
OKLCH	oklch(46.25% 0.191 272.1)
XYZ	xyz(13.4379, 8.9750, 51.4659)
Luminance	0.0898 (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

#3945C1 #C1B539

analogous

#3989C1 #3945C1 #7139C1

triadic

#3945C1 #C13945 #45C139

tetradic

#3945C1 #C13989 #C1B539 #39C171

square

#3945C1 #C13989 #C1B539 #39C171

split-complementary

#3945C1 #C17139 #89C139

monochromatic

#1D2363 #2B3492 #3945C1 #666FD2 #959BE0

Accessibility & contrast

On white

7.51

#3945C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3945C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945C1

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945C1	#FFFFFF	#000000	##FFFFFF
##3945C1	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC5

Deuteranopia (green-blind)

#004EBF

Tritanopia (blue-blind)

#00657D

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3945c1;
/* rgb */ color: rgb(57, 69, 193);
/* oklch */ color: oklch(46.2% 0.191 272.1);

Tailwind

colors: {
  custom: {
    50: '#8279d5',
    500: '#3945c1',
    950: '#000000',
  },
}

SCSS

$custom: #3945c1;
$custom-light: #8279d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3945c1",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 193
  },
  "hsl": {
    "h": 234.706,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.46247,
    "c": 0.19148,
    "h": 272.1
  },
  "luminance": 0.08976
}

Semantic roles & 50–950 ramp

primary

#3945C1

secondary

#CBC58B

accent

#D14ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3945C1

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

Preview Lab → · Contrast checker → · Palette generator →