#3648AE#3648AE

#3648AE is a dark, vivid blue. Relative luminance 0.085; OKLCH L 45.0% C 0.163 H 270.8°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#3648AE
RGB	rgb(54, 72, 174)
HSL	hsl(231, 53%, 45%)
HSV	hsv(231, 69%, 68%)
CMYK	cmyk(69%, 58.6%, 0%, 31.8%)
CIE-LAB	lab(34.95, 27.51, -56.66)
CIE-LCH	lch(34.95, 62.98, 295.90°)
OKLab	oklab(44.99% 0.0022 -0.1632)
OKLCH	oklch(44.99% 0.163 270.8)
XYZ	xyz(11.4761, 8.4739, 41.0670)
Luminance	0.0848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3648AE #AE9C36

analogous

#3684AE #3648AE #6036AE

triadic

#3648AE #AE3648 #48AE36

tetradic

#3648AE #AE3684 #AE9C36 #36AE60

square

#3648AE #AE3684 #AE9C36 #36AE60

split-complementary

#3648AE #AE6036 #84AE36

monochromatic

#192151 #28357F #3648AE #5668CB #8592D9

Accessibility & contrast

On white

7.79

#3648AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3648AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3648AE

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3648AE	#FFFFFF	#000000	##FFFFFF
##3648AE	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B1

Deuteranopia (green-blind)

#004DAC

Tritanopia (blue-blind)

#006174

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3648ae;
/* rgb */ color: rgb(54, 72, 174);
/* oklch */ color: oklch(45.0% 0.163 270.8);

Tailwind

colors: {
  custom: {
    50: '#7c7ac7',
    500: '#3648ae',
    950: '#000000',
  },
}

SCSS

$custom: #3648ae;
$custom-light: #7c7ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#3648ae",
  "rgb": {
    "r": 54,
    "g": 72,
    "b": 174
  },
  "hsl": {
    "h": 231,
    "s": 52.632,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44988,
    "c": 0.16325,
    "h": 270.8
  },
  "luminance": 0.08475
}

Semantic roles & 50–950 ramp

primary

#3648AE

secondary

#C3B87D

accent

#C64CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3648AE

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

Preview Lab → · Contrast checker → · Palette generator →