#3940C5#3940C5

#3940C5 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 45.8% C 0.202 H 272.8°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#3940C5
RGB	rgb(57, 64, 197)
HSL	hsl(237, 55%, 50%)
HSV	hsv(237, 71%, 77%)
CMYK	cmyk(71.1%, 67.5%, 0%, 22.7%)
CIE-LAB	lab(35.14, 41.08, -69.90)
CIE-LCH	lch(35.14, 81.08, 300.44°)
OKLab	oklab(45.77% 0.0101 -0.2021)
OKLCH	oklch(45.77% 0.202 272.8)
XYZ	xyz(13.5954, 8.5665, 53.7495)
Luminance	0.0857 (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

#3940C5 #C5BE39

analogous

#3986C5 #3940C5 #7839C5

triadic

#3940C5 #C53940 #40C539

tetradic

#3940C5 #C53986 #C5BE39 #39C578

square

#3940C5 #C53986 #C5BE39 #39C578

split-complementary

#3940C5 #C57839 #86C539

monochromatic

#1E2166 #2B3196 #3940C5 #686DD3 #979BE1

Accessibility & contrast

On white

7.74

#3940C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3940C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3940C5

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3940C5	#FFFFFF	#000000	##FFFFFF
##3940C5	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C9

Deuteranopia (green-blind)

#004CC3

Tritanopia (blue-blind)

#00647D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3940c5;
/* rgb */ color: rgb(57, 64, 197);
/* oklch */ color: oklch(45.8% 0.202 272.8);

Tailwind

colors: {
  custom: {
    50: '#8375d8',
    500: '#3940c5',
    950: '#000000',
  },
}

SCSS

$custom: #3940c5;
$custom-light: #8375d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3940c5",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 197
  },
  "hsl": {
    "h": 237,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45772,
    "c": 0.20231,
    "h": 272.8
  },
  "luminance": 0.08568
}

Semantic roles & 50–950 ramp

primary

#3940C5

secondary

#CDC98D

accent

#D749DE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3940C5

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

Preview Lab → · Contrast checker → · Palette generator →