#3645AE#3645AE

#3645AE is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.4% C 0.167 H 271.6°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#3645AE
RGB	rgb(54, 69, 174)
HSL	hsl(233, 53%, 45%)
HSV	hsv(233, 69%, 68%)
CMYK	cmyk(69%, 60.3%, 0%, 31.8%)
CIE-LAB	lab(34.18, 29.47, -57.91)
CIE-LCH	lch(34.18, 64.97, 296.97°)
OKLab	oklab(44.42% 0.0046 -0.167)
OKLCH	oklch(44.42% 0.167 271.6)
XYZ	xyz(11.2868, 8.0954, 41.0039)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3645AE #AE9F36

analogous

#3681AE #3645AE #6336AE

triadic

#3645AE #AE3645 #45AE36

tetradic

#3645AE #AE3681 #AE9F36 #36AE63

square

#3645AE #AE3681 #AE9F36 #36AE63

split-complementary

#3645AE #AE6336 #81AE36

monochromatic

#192051 #28327F #3645AE #5665CB #8590D9

Accessibility & contrast

On white

8.02

#3645AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3645AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3645AE

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3645AE	#FFFFFF	#000000	##FFFFFF
##3645AE	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B1

Deuteranopia (green-blind)

#004BAC

Tritanopia (blue-blind)

#005F73

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3645ae;
/* rgb */ color: rgb(54, 69, 174);
/* oklch */ color: oklch(44.4% 0.167 271.6);

Tailwind

colors: {
  custom: {
    50: '#7c78c7',
    500: '#3645ae',
    950: '#000000',
  },
}

SCSS

$custom: #3645ae;
$custom-light: #7c78c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3645ae",
  "rgb": {
    "r": 54,
    "g": 69,
    "b": 174
  },
  "hsl": {
    "h": 232.5,
    "s": 52.632,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44416,
    "c": 0.16702,
    "h": 271.6
  },
  "luminance": 0.08097
}

Semantic roles & 50–950 ramp

primary

#3645AE

secondary

#C3BA7D

accent

#CA4CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3645AE

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

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