#3645CD#3645CD

#3645CD is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.2% C 0.208 H 270.9°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#3645CD
RGB	rgb(54, 69, 205)
HSL	hsl(234, 60%, 51%)
HSV	hsv(234, 74%, 80%)
CMYK	cmyk(73.7%, 66.3%, 0%, 19.6%)
CIE-LAB	lab(36.83, 40.46, -71.78)
CIE-LCH	lch(36.83, 82.39, 299.41°)
OKLab	oklab(47.18% 0.0031 -0.2076)
OKLCH	oklch(47.18% 0.208 270.9)
XYZ	xyz(14.6651, 9.4467, 58.7963)
Luminance	0.0945 (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

#3645CD #CDBE36

analogous

#3690CD #3645CD #7236CD

triadic

#3645CD #CD3645 #45CD36

tetradic

#3645CD #CD3690 #CDBE36 #36CD72

square

#3645CD #CD3690 #CDBE36 #36CD72

split-complementary

#3645CD #CD7236 #90CD36

monochromatic

#1B236D #27339E #3645CD #6772D9 #98A0E5

Accessibility & contrast

On white

7.27

#3645CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#3645CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3645CD

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3645CD	#FFFFFF	#000000	##FFFFFF
##3645CD	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED1

Deuteranopia (green-blind)

#0050CA

Tritanopia (blue-blind)

#006983

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3645cd;
/* rgb */ color: rgb(54, 69, 205);
/* oklch */ color: oklch(47.2% 0.208 270.9);

Tailwind

colors: {
  custom: {
    50: '#8379dd',
    500: '#3645cd',
    950: '#000000',
  },
}

SCSS

$custom: #3645cd;
$custom-light: #8379dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3645cd",
  "rgb": {
    "r": 54,
    "g": 69,
    "b": 205
  },
  "hsl": {
    "h": 234.04,
    "s": 60.159,
    "l": 50.784
  },
  "oklch": {
    "l": 0.4718,
    "c": 0.20762,
    "h": 270.9
  },
  "luminance": 0.09448
}

Semantic roles & 50–950 ramp

primary

#3645CD

secondary

#D1CA8E

accent

#D444E3

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3645CD

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

Preview Lab → · Contrast checker → · Palette generator →