#3945C7#3945C7

#3945C7 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.8% C 0.199 H 271.9°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#3945C7
RGB	rgb(57, 69, 199)
HSL	hsl(235, 56%, 50%)
HSV	hsv(235, 71%, 78%)
CMYK	cmyk(71.4%, 65.3%, 0%, 22%)
CIE-LAB	lab(36.46, 38.70, -68.90)
CIE-LCH	lch(36.46, 79.02, 299.33°)
OKLab	oklab(46.79% 0.0067 -0.1991)
OKLCH	oklch(46.79% 0.199 271.9)
XYZ	xyz(14.1208, 9.2482, 55.0627)
Luminance	0.0925 (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

#3945C7 #C7BB39

analogous

#398CC7 #3945C7 #7439C7

triadic

#3945C7 #C73945 #45C739

tetradic

#3945C7 #C7398C #C7BB39 #39C774

square

#3945C7 #C7398C #C7BB39 #39C774

split-complementary

#3945C7 #C77439 #8CC739

monochromatic

#1D2468 #2B3498 #3945C7 #6972D4 #989FE2

Accessibility & contrast

On white

7.37

#3945C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#3945C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945C7

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945C7	#FFFFFF	#000000	##FFFFFF
##3945C7	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCB

Deuteranopia (green-blind)

#004FC5

Tritanopia (blue-blind)

#006780

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3945c7;
/* rgb */ color: rgb(57, 69, 199);
/* oklch */ color: oklch(46.8% 0.199 271.9);

Tailwind

colors: {
  custom: {
    50: '#8379d9',
    500: '#3945c7',
    950: '#000000',
  },
}

SCSS

$custom: #3945c7;
$custom-light: #8379d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3945c7",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 199
  },
  "hsl": {
    "h": 234.93,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.46788,
    "c": 0.19922,
    "h": 271.9
  },
  "luminance": 0.0925
}

Semantic roles & 50–950 ramp

primary

#3945C7

secondary

#CEC88E

accent

#D249DF

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3945C7

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

Preview Lab → · Contrast checker → · Palette generator →