#3648BF#3648BF

#3648BF is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.4% C 0.186 H 270.6°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#3648BF
RGB	rgb(54, 72, 191)
HSL	hsl(232, 56%, 48%)
HSV	hsv(232, 72%, 75%)
CMYK	cmyk(71.7%, 62.3%, 0%, 25.1%)
CIE-LAB	lab(36.33, 33.64, -64.44)
CIE-LCH	lch(36.33, 72.70, 297.56°)
OKLab	oklab(46.44% 0.002 -0.1861)
OKLCH	oklch(46.44% 0.186 270.6)
XYZ	xyz(13.2395, 9.1792, 50.3541)
Luminance	0.0918 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3648BF #BFAD36

analogous

#368CBF #3648BF #6936BF

triadic

#3648BF #BF3648 #48BF36

tetradic

#3648BF #BF368C #BFAD36 #36BF69

square

#3648BF #BF368C #BFAD36 #36BF69

split-complementary

#3648BF #BF6936 #8CBF36

monochromatic

#1B2460 #29368F #3648BF #606FD2 #909AE0

Accessibility & contrast

On white

7.40

#3648BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#3648BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3648BF

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3648BF	#FFFFFF	#000000	##FFFFFF
##3648BF	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC3

Deuteranopia (green-blind)

#004FBD

Tritanopia (blue-blind)

#00677C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3648bf;
/* rgb */ color: rgb(54, 72, 191);
/* oklch */ color: oklch(46.4% 0.186 270.6);

Tailwind

colors: {
  custom: {
    50: '#807bd3',
    500: '#3648bf',
    950: '#000000',
  },
}

SCSS

$custom: #3648bf;
$custom-light: #807bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3648bf",
  "rgb": {
    "r": 54,
    "g": 72,
    "b": 191
  },
  "hsl": {
    "h": 232.117,
    "s": 55.918,
    "l": 48.039
  },
  "oklch": {
    "l": 0.46437,
    "c": 0.18612,
    "h": 270.6
  },
  "luminance": 0.09181
}

Semantic roles & 50–950 ramp

primary

#3648BF

secondary

#CAC187

accent

#CB49DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3648BF

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

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