#3949C2#3949C2

#3949C2 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 47.0% C 0.188 H 271.3°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#3949C2
RGB	rgb(57, 73, 194)
HSL	hsl(233, 55%, 49%)
HSV	hsv(233, 71%, 76%)
CMYK	cmyk(70.6%, 62.4%, 0%, 23.9%)
CIE-LAB	lab(36.98, 34.45, -65.12)
CIE-LCH	lch(36.98, 73.67, 297.88°)
OKLab	oklab(47.04% 0.0042 -0.188)
OKLCH	oklch(47.04% 0.188 271.3)
XYZ	xyz(13.8042, 9.5286, 52.1402)
Luminance	0.0953 (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

#3949C2 #C2B239

analogous

#398EC2 #3949C2 #6E39C2

triadic

#3949C2 #C23949 #49C239

tetradic

#3949C2 #C2398E #C2B239 #39C26E

square

#3949C2 #C2398E #C2B239 #39C26E

split-complementary

#3949C2 #C26E39 #8EC239

monochromatic

#1D2563 #2B3793 #3949C2 #6673D2 #959EE0

Accessibility & contrast

On white

7.23

#3949C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#3949C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3949C2

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3949C2	#FFFFFF	#000000	##FFFFFF
##3949C2	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC6

Deuteranopia (green-blind)

#0051C0

Tritanopia (blue-blind)

#00687E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3949c2;
/* rgb */ color: rgb(57, 73, 194);
/* oklch */ color: oklch(47.0% 0.188 271.3);

Tailwind

colors: {
  custom: {
    50: '#827bd5',
    500: '#3949c2',
    950: '#000000',
  },
}

SCSS

$custom: #3949c2;
$custom-light: #827bd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3949c2",
  "rgb": {
    "r": 57,
    "g": 73,
    "b": 194
  },
  "hsl": {
    "h": 232.993,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.47041,
    "c": 0.18806,
    "h": 271.3
  },
  "luminance": 0.0953
}

Semantic roles & 50–950 ramp

primary

#3949C2

secondary

#CBC48B

accent

#CD4ADE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3949C2

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

Preview Lab → · Contrast checker → · Palette generator →