#3949C6#3949C6

#3949C6 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.4% C 0.193 H 271.2°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#3949C6
RGB	rgb(57, 73, 198)
HSL	hsl(233, 55%, 50%)
HSV	hsv(233, 71%, 78%)
CMYK	cmyk(71.2%, 63.1%, 0%, 22.4%)
CIE-LAB	lab(37.32, 35.86, -66.91)
CIE-LCH	lch(37.32, 75.91, 298.19°)
OKLab	oklab(47.39% 0.0041 -0.1932)
OKLCH	oklch(47.39% 0.193 271.2)
XYZ	xyz(14.2595, 9.7107, 54.5380)
Luminance	0.0971 (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

#3949C6 #C6B639

analogous

#3990C6 #3949C6 #6F39C6

triadic

#3949C6 #C63949 #49C639

tetradic

#3949C6 #C63990 #C6B639 #39C66F

square

#3949C6 #C63990 #C6B639 #39C66F

split-complementary

#3949C6 #C66F39 #90C639

monochromatic

#1E2667 #2B3796 #3949C6 #6975D4 #98A0E1

Accessibility & contrast

On white

7.14

#3949C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#3949C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3949C6

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3949C6	#FFFFFF	#000000	##FFFFFF
##3949C6	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ECA

Deuteranopia (green-blind)

#0051C4

Tritanopia (blue-blind)

#006981

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3949c6;
/* rgb */ color: rgb(57, 73, 198);
/* oklch */ color: oklch(47.4% 0.193 271.2);

Tailwind

colors: {
  custom: {
    50: '#827bd8',
    500: '#3949c6',
    950: '#000000',
  },
}

SCSS

$custom: #3949c6;
$custom-light: #827bd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3949c6",
  "rgb": {
    "r": 57,
    "g": 73,
    "b": 198
  },
  "hsl": {
    "h": 233.191,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.47392,
    "c": 0.19329,
    "h": 271.2
  },
  "luminance": 0.09712
}

Semantic roles & 50–950 ramp

primary

#3949C6

secondary

#CDC68E

accent

#CE49DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3949C6

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

Preview Lab → · Contrast checker → · Palette generator →