#3642B4#3642B4

#3642B4 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.4% C 0.179 H 272.2°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#3642B4
RGB	rgb(54, 66, 180)
HSL	hsl(234, 54%, 46%)
HSV	hsv(234, 70%, 71%)
CMYK	cmyk(70%, 63.3%, 0%, 29.4%)
CIE-LAB	lab(33.93, 33.54, -61.88)
CIE-LCH	lch(33.93, 70.39, 298.46°)
OKLab	oklab(44.39% 0.0067 -0.1786)
OKLCH	oklch(44.39% 0.179 272.2)
XYZ	xyz(11.7050, 7.9749, 44.0936)
Luminance	0.0798 (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

#3642B4 #B4A836

analogous

#3681B4 #3642B4 #6936B4

triadic

#3642B4 #B43642 #42B436

tetradic

#3642B4 #B43681 #B4A836 #36B469

square

#3642B4 #B43681 #B4A836 #36B469

split-complementary

#3642B4 #B46936 #81B436

monochromatic

#1A1F56 #283185 #3642B4 #5A65CD #8991DC

Accessibility & contrast

On white

8.09

#3642B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3642B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3642B4

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3642B4	#FFFFFF	#000000	##FFFFFF
##3642B4	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B8

Deuteranopia (green-blind)

#004AB2

Tritanopia (blue-blind)

#005F75

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3642b4;
/* rgb */ color: rgb(54, 66, 180);
/* oklch */ color: oklch(44.4% 0.179 272.2);

Tailwind

colors: {
  custom: {
    50: '#7e76cb',
    500: '#3642b4',
    950: '#000000',
  },
}

SCSS

$custom: #3642b4;
$custom-light: #7e76cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3642b4",
  "rgb": {
    "r": 54,
    "g": 66,
    "b": 180
  },
  "hsl": {
    "h": 234.286,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.44386,
    "c": 0.17877,
    "h": 272.2
  },
  "luminance": 0.07976
}

Semantic roles & 50–950 ramp

primary

#3642B4

secondary

#C6BF80

accent

#CF4BDD

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3642B4

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

Preview Lab → · Contrast checker → · Palette generator →