#3940C1#3940C1

#3940C1 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.4% C 0.197 H 273.0°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#3940C1
RGB	rgb(57, 64, 193)
HSL	hsl(237, 54%, 49%)
HSV	hsv(237, 70%, 76%)
CMYK	cmyk(70.5%, 66.8%, 0%, 24.3%)
CIE-LAB	lab(34.77, 39.71, -68.15)
CIE-LCH	lch(34.77, 78.88, 300.23°)
OKLab	oklab(45.4% 0.0105 -0.1969)
OKLCH	oklch(45.4% 0.197 273)
XYZ	xyz(13.1432, 8.3856, 51.3677)
Luminance	0.0839 (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

#3940C1 #C1BA39

analogous

#3984C1 #3940C1 #7639C1

triadic

#3940C1 #C13940 #40C139

tetradic

#3940C1 #C13984 #C1BA39 #39C176

square

#3940C1 #C13984 #C1BA39 #39C176

split-complementary

#3940C1 #C17639 #84C139

monochromatic

#1D2163 #2B3092 #3940C1 #666BD2 #9599E0

Accessibility & contrast

On white

7.84

#3940C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3940C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3940C1

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3940C1	#FFFFFF	#000000	##FFFFFF
##3940C1	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C5

Deuteranopia (green-blind)

#004BBF

Tritanopia (blue-blind)

#00627B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3940c1;
/* rgb */ color: rgb(57, 64, 193);
/* oklch */ color: oklch(45.4% 0.197 273.0);

Tailwind

colors: {
  custom: {
    50: '#8275d5',
    500: '#3940c1',
    950: '#000000',
  },
}

SCSS

$custom: #3940c1;
$custom-light: #8275d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3940c1",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 193
  },
  "hsl": {
    "h": 236.912,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45399,
    "c": 0.19723,
    "h": 273
  },
  "luminance": 0.08387
}

Semantic roles & 50–950 ramp

primary

#3940C1

secondary

#CBC88B

accent

#D64ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3940C1

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

Preview Lab → · Contrast checker → · Palette generator →