#3940C0#3940C0

#3940C0 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.3% C 0.196 H 273.1°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#3940C0
RGB	rgb(57, 64, 192)
HSL	hsl(237, 54%, 49%)
HSV	hsv(237, 70%, 75%)
CMYK	cmyk(70.3%, 66.7%, 0%, 24.7%)
CIE-LAB	lab(34.68, 39.36, -67.72)
CIE-LCH	lch(34.68, 78.32, 300.17°)
OKLab	oklab(45.31% 0.0106 -0.1957)
OKLCH	oklch(45.31% 0.196 273.1)
XYZ	xyz(13.0320, 8.3412, 50.7822)
Luminance	0.0834 (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

#3940C0 #C0B939

analogous

#3984C0 #3940C0 #7639C0

triadic

#3940C0 #C03940 #40C039

tetradic

#3940C0 #C03984 #C0B939 #39C076

square

#3940C0 #C03984 #C0B939 #39C076

split-complementary

#3940C0 #C07639 #84C039

monochromatic

#1D2162 #2B3091 #3940C0 #656BD1 #9498DF

Accessibility & contrast

On white

7.87

#3940C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3940C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3940C0

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3940C0	#FFFFFF	#000000	##FFFFFF
##3940C0	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C4

Deuteranopia (green-blind)

#004BBE

Tritanopia (blue-blind)

#00627A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3940c0;
/* rgb */ color: rgb(57, 64, 192);
/* oklch */ color: oklch(45.3% 0.196 273.1);

Tailwind

colors: {
  custom: {
    50: '#8275d4',
    500: '#3940c0',
    950: '#000000',
  },
}

SCSS

$custom: #3940c0;
$custom-light: #8275d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3940c0",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 192
  },
  "hsl": {
    "h": 236.889,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.45306,
    "c": 0.19595,
    "h": 273.1
  },
  "luminance": 0.08342
}

Semantic roles & 50–950 ramp

primary

#3940C0

secondary

#CBC78A

accent

#D64ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3940C0

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

Preview Lab → · Contrast checker → · Palette generator →