#3646BC#3646BC

#3646BC is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.8% C 0.185 H 271.1°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#3646BC
RGB	rgb(54, 70, 188)
HSL	hsl(233, 55%, 47%)
HSV	hsv(233, 71%, 74%)
CMYK	cmyk(71.3%, 62.8%, 0%, 26.3%)
CIE-LAB	lab(35.58, 33.84, -63.90)
CIE-LCH	lch(35.58, 72.31, 297.91°)
OKLab	oklab(45.81% 0.0035 -0.1845)
OKLCH	oklch(45.81% 0.185 271.1)
XYZ	xyz(12.7855, 8.7941, 48.5908)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.45

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3646BC #BCAC36

analogous

#3689BC #3646BC #6936BC

triadic

#3646BC #BC3646 #46BC36

tetradic

#3646BC #BC3689 #BCAC36 #36BC69

square

#3646BC #BC3689 #BCAC36 #36BC69

split-complementary

#3646BC #BC6936 #89BC36

monochromatic

#1B235D #28348C #3646BC #5E6CD1 #8E98DF

Accessibility & contrast

On white

7.61

#3646BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3646BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3646BC

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3646BC	#FFFFFF	#000000	##FFFFFF
##3646BC	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC0

Deuteranopia (green-blind)

#004EBA

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3646bc;
/* rgb */ color: rgb(54, 70, 188);
/* oklch */ color: oklch(45.8% 0.185 271.1);

Tailwind

colors: {
  custom: {
    50: '#7f79d1',
    500: '#3646bc',
    950: '#000000',
  },
}

SCSS

$custom: #3646bc;
$custom-light: #7f79d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3646bc",
  "rgb": {
    "r": 54,
    "g": 70,
    "b": 188
  },
  "hsl": {
    "h": 232.836,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45812,
    "c": 0.18455,
    "h": 271.1
  },
  "luminance": 0.08795
}

Semantic roles & 50–950 ramp

primary

#3646BC

secondary

#C9C185

accent

#CD49DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3646BC

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

Preview Lab → · Contrast checker → · Palette generator →