#3646BF#3646BF

#3646BF is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.1% C 0.188 H 271.0°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#3646BF
RGB	rgb(54, 70, 191)
HSL	hsl(233, 56%, 48%)
HSV	hsv(233, 72%, 75%)
CMYK	cmyk(71.7%, 63.4%, 0%, 25.1%)
CIE-LAB	lab(35.84, 34.91, -65.24)
CIE-LCH	lch(35.84, 74.00, 298.15°)
OKLab	oklab(46.08% 0.0034 -0.1885)
OKLCH	oklch(46.08% 0.188 271)
XYZ	xyz(13.1123, 8.9248, 50.3117)
Luminance	0.0893 (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

#3646BF #BFAF36

analogous

#368ABF #3646BF #6B36BF

triadic

#3646BF #BF3646 #46BF36

tetradic

#3646BF #BF368A #BFAF36 #36BF6B

square

#3646BF #BF368A #BFAF36 #36BF6B

split-complementary

#3646BF #BF6B36 #8ABF36

monochromatic

#1B2360 #29358F #3646BF #606DD2 #9099E0

Accessibility & contrast

On white

7.54

#3646BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3646BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3646BF

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3646BF	#FFFFFF	#000000	##FFFFFF
##3646BF	1.00	7.54	2.79	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC3

Deuteranopia (green-blind)

#004EBD

Tritanopia (blue-blind)

#00657C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3646bf;
/* rgb */ color: rgb(54, 70, 191);
/* oklch */ color: oklch(46.1% 0.188 271.0);

Tailwind

colors: {
  custom: {
    50: '#8079d3',
    500: '#3646bf',
    950: '#000000',
  },
}

SCSS

$custom: #3646bf;
$custom-light: #8079d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3646bf",
  "rgb": {
    "r": 54,
    "g": 70,
    "b": 191
  },
  "hsl": {
    "h": 232.993,
    "s": 55.918,
    "l": 48.039
  },
  "oklch": {
    "l": 0.46078,
    "c": 0.18849,
    "h": 271
  },
  "luminance": 0.08926
}

Semantic roles & 50–950 ramp

primary

#3646BF

secondary

#CAC287

accent

#CE49DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3646BF

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

Preview Lab → · Contrast checker → · Palette generator →