#3645AD#3645AD

#3645AD is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.3% C 0.166 H 271.6°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#3645AD
RGB	rgb(54, 69, 173)
HSL	hsl(232, 52%, 45%)
HSV	hsv(232, 69%, 68%)
CMYK	cmyk(68.8%, 60.1%, 0%, 32.2%)
CIE-LAB	lab(34.10, 29.10, -57.44)
CIE-LCH	lch(34.10, 64.40, 296.87°)
OKLab	oklab(44.33% 0.0046 -0.1656)
OKLCH	oklch(44.33% 0.166 271.6)
XYZ	xyz(11.1897, 8.0566, 40.4924)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3645AD #AD9E36

analogous

#3681AD #3645AD #6336AD

triadic

#3645AD #AD3645 #45AD36

tetradic

#3645AD #AD3681 #AD9E36 #36AD63

square

#3645AD #AD3681 #AD9E36 #36AD63

split-complementary

#3645AD #AD6336 #81AD36

monochromatic

#192050 #27327E #3645AD #5665CA #858FD9

Accessibility & contrast

On white

8.04

#3645AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3645AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3645AD

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3645AD	#FFFFFF	#000000	##FFFFFF
##3645AD	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B0

Deuteranopia (green-blind)

#004BAB

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3645ad;
/* rgb */ color: rgb(54, 69, 173);
/* oklch */ color: oklch(44.3% 0.166 271.6);

Tailwind

colors: {
  custom: {
    50: '#7c78c6',
    500: '#3645ad',
    950: '#000000',
  },
}

SCSS

$custom: #3645ad;
$custom-light: #7c78c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3645ad",
  "rgb": {
    "r": 54,
    "g": 69,
    "b": 173
  },
  "hsl": {
    "h": 232.437,
    "s": 52.423,
    "l": 44.51
  },
  "oklch": {
    "l": 0.44331,
    "c": 0.16565,
    "h": 271.6
  },
  "luminance": 0.08058
}

Semantic roles & 50–950 ramp

primary

#3645AD

secondary

#C2BA7C

accent

#CA4CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3645AD

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

Preview Lab → · Contrast checker → · Palette generator →