#3949C3#3949C3

#3949C3 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.1% C 0.189 H 271.3°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#3949C3
RGB	rgb(57, 73, 195)
HSL	hsl(233, 55%, 49%)
HSV	hsv(233, 71%, 76%)
CMYK	cmyk(70.8%, 62.6%, 0%, 23.5%)
CIE-LAB	lab(37.07, 34.80, -65.57)
CIE-LCH	lch(37.07, 74.23, 297.96°)
OKLab	oklab(47.13% 0.0042 -0.1893)
OKLCH	oklch(47.13% 0.189 271.3)
XYZ	xyz(13.9169, 9.5737, 52.7337)
Luminance	0.0958 (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

#3949C3 #C3B339

analogous

#398EC3 #3949C3 #6E39C3

triadic

#3949C3 #C33949 #49C339

tetradic

#3949C3 #C3398E #C3B339 #39C36E

square

#3949C3 #C3398E #C3B339 #39C36E

split-complementary

#3949C3 #C36E39 #8EC339

monochromatic

#1D2664 #2B3794 #3949C3 #6773D2 #969FE0

Accessibility & contrast

On white

7.20

#3949C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#3949C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3949C3

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3949C3	#FFFFFF	#000000	##FFFFFF
##3949C3	1.00	7.20	2.91	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC7

Deuteranopia (green-blind)

#0051C1

Tritanopia (blue-blind)

#00687F

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3949c3;
/* rgb */ color: rgb(57, 73, 195);
/* oklch */ color: oklch(47.1% 0.189 271.3);

Tailwind

colors: {
  custom: {
    50: '#827bd6',
    500: '#3949c3',
    950: '#000000',
  },
}

SCSS

$custom: #3949c3;
$custom-light: #827bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3949c3",
  "rgb": {
    "r": 57,
    "g": 73,
    "b": 195
  },
  "hsl": {
    "h": 233.043,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.47129,
    "c": 0.18938,
    "h": 271.3
  },
  "luminance": 0.09575
}

Semantic roles & 50–950 ramp

primary

#3949C3

secondary

#CCC48C

accent

#CD4ADE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3949C3

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

Preview Lab → · Contrast checker → · Palette generator →