#3949BD#3949BD

#3949BD is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.6% C 0.181 H 271.4°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#3949BD
RGB	rgb(57, 73, 189)
HSL	hsl(233, 54%, 48%)
HSV	hsv(233, 70%, 74%)
CMYK	cmyk(69.8%, 61.4%, 0%, 25.9%)
CIE-LAB	lab(36.57, 32.67, -62.87)
CIE-LCH	lch(36.57, 70.85, 297.46°)
OKLab	oklab(46.61% 0.0044 -0.1814)
OKLCH	oklch(46.61% 0.181 271.4)
XYZ	xyz(13.2521, 9.3078, 49.2324)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3949BD #BDAD39

analogous

#398BBD #3949BD #6B39BD

triadic

#3949BD #BD3949 #49BD39

tetradic

#3949BD #BD398B #BDAD39 #39BD6B

square

#3949BD #BD398B #BDAD39 #39BD6B

split-complementary

#3949BD #BD6B39 #8BBD39

monochromatic

#1D255F #2B378E #3949BD #6370D0 #929BDE

Accessibility & contrast

On white

7.34

#3949BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#3949BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3949BD

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3949BD	#FFFFFF	#000000	##FFFFFF
##3949BD	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC1

Deuteranopia (green-blind)

#0050BB

Tritanopia (blue-blind)

#00667C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3949bd;
/* rgb */ color: rgb(57, 73, 189);
/* oklch */ color: oklch(46.6% 0.181 271.4);

Tailwind

colors: {
  custom: {
    50: '#807bd2',
    500: '#3949bd',
    950: '#000000',
  },
}

SCSS

$custom: #3949bd;
$custom-light: #807bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3949bd",
  "rgb": {
    "r": 57,
    "g": 73,
    "b": 189
  },
  "hsl": {
    "h": 232.727,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.46609,
    "c": 0.18145,
    "h": 271.4
  },
  "luminance": 0.09309
}

Semantic roles & 50–950 ramp

primary

#3949BD

secondary

#C9C189

accent

#CB4BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3949BD

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

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