#3949C5#3949C5

#3949C5 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.3% C 0.192 H 271.2°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#3949C5
RGB	rgb(57, 73, 197)
HSL	hsl(233, 55%, 50%)
HSV	hsv(233, 71%, 77%)
CMYK	cmyk(71.1%, 62.9%, 0%, 22.7%)
CIE-LAB	lab(37.23, 35.51, -66.46)
CIE-LCH	lch(37.23, 75.35, 298.11°)
OKLab	oklab(47.3% 0.0041 -0.1919)
OKLCH	oklch(47.3% 0.192 271.2)
XYZ	xyz(14.1445, 9.6647, 53.9325)
Luminance	0.0967 (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

#3949C5 #C5B539

analogous

#398FC5 #3949C5 #6F39C5

triadic

#3949C5 #C53949 #49C539

tetradic

#3949C5 #C5398F #C5B539 #39C56F

square

#3949C5 #C5398F #C5B539 #39C56F

split-complementary

#3949C5 #C56F39 #8FC539

monochromatic

#1E2666 #2B3796 #3949C5 #6874D3 #97A0E1

Accessibility & contrast

On white

7.16

#3949C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#3949C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3949C5

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3949C5	#FFFFFF	#000000	##FFFFFF
##3949C5	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC9

Deuteranopia (green-blind)

#0051C3

Tritanopia (blue-blind)

#006980

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3949c5;
/* rgb */ color: rgb(57, 73, 197);
/* oklch */ color: oklch(47.3% 0.192 271.2);

Tailwind

colors: {
  custom: {
    50: '#827bd8',
    500: '#3949c5',
    950: '#000000',
  },
}

SCSS

$custom: #3949c5;
$custom-light: #827bd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3949c5",
  "rgb": {
    "r": 57,
    "g": 73,
    "b": 197
  },
  "hsl": {
    "h": 233.143,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.47304,
    "c": 0.19198,
    "h": 271.2
  },
  "luminance": 0.09666
}

Semantic roles & 50–950 ramp

primary

#3949C5

secondary

#CDC58D

accent

#CD49DE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3949C5

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

Preview Lab → · Contrast checker → · Palette generator →