#3647CD#3647CD

#3647CD is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.5% C 0.205 H 270.5°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#3647CD
RGB	rgb(54, 71, 205)
HSL	hsl(233, 60%, 51%)
HSV	hsv(233, 74%, 80%)
CMYK	cmyk(73.7%, 65.4%, 0%, 19.6%)
CIE-LAB	lab(37.29, 39.22, -71.02)
CIE-LCH	lch(37.29, 81.13, 298.91°)
OKLab	oklab(47.52% 0.0019 -0.2054)
OKLCH	oklch(47.52% 0.205 270.5)
XYZ	xyz(14.7902, 9.6970, 58.8380)
Luminance	0.0970 (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

#3647CD #CDBC36

analogous

#3692CD #3647CD #7036CD

triadic

#3647CD #CD3647 #47CD36

tetradic

#3647CD #CD3692 #CDBC36 #36CD70

square

#3647CD #CD3692 #CDBC36 #36CD70

split-complementary

#3647CD #CD7036 #92CD36

monochromatic

#1B246D #27359E #3647CD #6774D9 #98A1E5

Accessibility & contrast

On white

7.14

#3647CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#3647CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3647CD

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3647CD	#FFFFFF	#000000	##FFFFFF
##3647CD	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD1

Deuteranopia (green-blind)

#0051CA

Tritanopia (blue-blind)

#006B84

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3647cd;
/* rgb */ color: rgb(54, 71, 205);
/* oklch */ color: oklch(47.5% 0.205 270.5);

Tailwind

colors: {
  custom: {
    50: '#837add',
    500: '#3647cd',
    950: '#000000',
  },
}

SCSS

$custom: #3647cd;
$custom-light: #837add;
$custom-dark: #000000;

JSON

{
  "hex": "#3647cd",
  "rgb": {
    "r": 54,
    "g": 71,
    "b": 205
  },
  "hsl": {
    "h": 233.245,
    "s": 60.159,
    "l": 50.784
  },
  "oklch": {
    "l": 0.47517,
    "c": 0.20538,
    "h": 270.5
  },
  "luminance": 0.09699
}

Semantic roles & 50–950 ramp

primary

#3647CD

secondary

#D1C98E

accent

#D144E3

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3647CD

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

Preview Lab → · Contrast checker → · Palette generator →