#3940C2#3940C2

#3940C2 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.5% C 0.199 H 273.0°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#3940C2
RGB	rgb(57, 64, 194)
HSL	hsl(237, 55%, 49%)
HSV	hsv(237, 71%, 76%)
CMYK	cmyk(70.6%, 67%, 0%, 23.9%)
CIE-LAB	lab(34.86, 40.05, -68.59)
CIE-LCH	lch(34.86, 79.43, 300.28°)
OKLab	oklab(45.49% 0.0104 -0.1982)
OKLCH	oklch(45.49% 0.199 273)
XYZ	xyz(13.2551, 8.4304, 51.9572)
Luminance	0.0843 (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

#3940C2 #C2BB39

analogous

#3985C2 #3940C2 #7739C2

triadic

#3940C2 #C23940 #40C239

tetradic

#3940C2 #C23985 #C2BB39 #39C277

square

#3940C2 #C23985 #C2BB39 #39C277

split-complementary

#3940C2 #C27739 #85C239

monochromatic

#1D2163 #2B3093 #3940C2 #666CD2 #9599E0

Accessibility & contrast

On white

7.82

#3940C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3940C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3940C2

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3940C2	#FFFFFF	#000000	##FFFFFF
##3940C2	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C6

Deuteranopia (green-blind)

#004CC0

Tritanopia (blue-blind)

#00637B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3940c2;
/* rgb */ color: rgb(57, 64, 194);
/* oklch */ color: oklch(45.5% 0.199 273.0);

Tailwind

colors: {
  custom: {
    50: '#8275d6',
    500: '#3940c2',
    950: '#000000',
  },
}

SCSS

$custom: #3940c2;
$custom-light: #8275d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3940c2",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 194
  },
  "hsl": {
    "h": 236.934,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45492,
    "c": 0.1985,
    "h": 273
  },
  "luminance": 0.08432
}

Semantic roles & 50–950 ramp

primary

#3940C2

secondary

#CBC88B

accent

#D64ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3940C2

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

Preview Lab → · Contrast checker → · Palette generator →