#3645D8#3645D8

#3645D8 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.2% C 0.221 H 270.6°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#3645D8
RGB	rgb(54, 69, 216)
HSL	hsl(234, 68%, 53%)
HSV	hsv(234, 75%, 85%)
CMYK	cmyk(75%, 68.1%, 0%, 15.3%)
CIE-LAB	lab(37.84, 44.25, -76.47)
CIE-LCH	lch(37.84, 88.35, 300.06°)
OKLab	oklab(48.22% 0.0021 -0.2213)
OKLCH	oklch(48.22% 0.221 270.6)
XYZ	xyz(16.0399, 9.9966, 66.0366)
Luminance	0.1000 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3645D8 #D8C936

analogous

#3696D8 #3645D8 #7836D8

triadic

#3645D8 #D83645 #45D836

tetradic

#3645D8 #D83696 #D8C936 #36D878

square

#3645D8 #D83696 #D8C936 #36D878

split-complementary

#3645D8 #D87836 #96D836

monochromatic

#18217C #222FAF #3645D8 #6974E2 #9DA4EC

Accessibility & contrast

On white

7.00

#3645D8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#3645D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3645D8

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3645D8	#FFFFFF	#000000	##FFFFFF
##3645D8	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061DD

Deuteranopia (green-blind)

#0051D5

Tritanopia (blue-blind)

#006D89

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3645d8;
/* rgb */ color: rgb(54, 69, 216);
/* oklch */ color: oklch(48.2% 0.221 270.6);

Tailwind

colors: {
  custom: {
    50: '#8679e5',
    500: '#3645d8',
    950: '#000000',
  },
}

SCSS

$custom: #3645d8;
$custom-light: #8679e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3645d8",
  "rgb": {
    "r": 54,
    "g": 69,
    "b": 216
  },
  "hsl": {
    "h": 234.444,
    "s": 67.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.48216,
    "c": 0.22132,
    "h": 270.6
  },
  "luminance": 0.09998
}

Semantic roles & 50–950 ramp

primary

#3645D8

secondary

#D8D192

accent

#DA3DEA

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3645D8

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

Preview Lab → · Contrast checker → · Palette generator →