#3645AA#3645AA

#3645AA is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.1% C 0.162 H 271.6°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#3645AA
RGB	rgb(54, 69, 170)
HSL	hsl(232, 52%, 44%)
HSV	hsv(232, 68%, 67%)
CMYK	cmyk(68.2%, 59.4%, 0%, 33.3%)
CIE-LAB	lab(33.86, 28.02, -56.04)
CIE-LCH	lch(33.86, 62.66, 296.56°)
OKLab	oklab(44.08% 0.0046 -0.1615)
OKLCH	oklch(44.08% 0.162 271.6)
XYZ	xyz(10.9027, 7.9418, 38.9808)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3645AA #AA9B36

analogous

#367FAA #3645AA #6136AA

triadic

#3645AA #AA3645 #45AA36

tetradic

#3645AA #AA367F #AA9B36 #36AA61

square

#3645AA #AA367F #AA9B36 #36AA61

split-complementary

#3645AA #AA6136 #7FAA36

monochromatic

#181F4D #27327C #3645AA #5463C9 #838ED8

Accessibility & contrast

On white

8.11

#3645AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3645AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3645AA

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3645AA	#FFFFFF	#000000	##FFFFFF
##3645AA	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AD

Deuteranopia (green-blind)

#004AA8

Tritanopia (blue-blind)

#005E70

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3645aa;
/* rgb */ color: rgb(54, 69, 170);
/* oklch */ color: oklch(44.1% 0.162 271.6);

Tailwind

colors: {
  custom: {
    50: '#7b78c4',
    500: '#3645aa',
    950: '#000000',
  },
}

SCSS

$custom: #3645aa;
$custom-light: #7b78c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3645aa",
  "rgb": {
    "r": 54,
    "g": 69,
    "b": 170
  },
  "hsl": {
    "h": 232.241,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44079,
    "c": 0.16155,
    "h": 271.6
  },
  "luminance": 0.07943
}

Semantic roles & 50–950 ramp

primary

#3645AA

secondary

#C1B87B

accent

#C94DDB

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3645AA

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

Preview Lab → · Contrast checker → · Palette generator →