#3644BE#3644BE

#3644BE is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.6% C 0.190 H 271.5°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#3644BE
RGB	rgb(54, 68, 190)
HSL	hsl(234, 56%, 48%)
HSV	hsv(234, 72%, 75%)
CMYK	cmyk(71.6%, 64.2%, 0%, 25.5%)
CIE-LAB	lab(35.27, 35.82, -65.58)
CIE-LCH	lch(35.27, 74.73, 298.64°)
OKLab	oklab(45.64% 0.0048 -0.1895)
OKLCH	oklch(45.64% 0.19 271.5)
XYZ	xyz(12.8796, 8.6349, 49.6932)
Luminance	0.0864 (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

#3644BE #BEB036

analogous

#3688BE #3644BE #6C36BE

triadic

#3644BE #BE3644 #44BE36

tetradic

#3644BE #BE3688 #BEB036 #36BE6C

square

#3644BE #BE3688 #BEB036 #36BE6C

split-complementary

#3644BE #BE6C36 #88BE36

monochromatic

#1B225F #28338E #3644BE #606BD2 #8F97DF

Accessibility & contrast

On white

7.70

#3644BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3644BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3644BE

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3644BE	#FFFFFF	#000000	##FFFFFF
##3644BE	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C2

Deuteranopia (green-blind)

#004DBC

Tritanopia (blue-blind)

#00647B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3644be;
/* rgb */ color: rgb(54, 68, 190);
/* oklch */ color: oklch(45.6% 0.190 271.5);

Tailwind

colors: {
  custom: {
    50: '#8078d3',
    500: '#3644be',
    950: '#000000',
  },
}

SCSS

$custom: #3644be;
$custom-light: #8078d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3644be",
  "rgb": {
    "r": 54,
    "g": 68,
    "b": 190
  },
  "hsl": {
    "h": 233.824,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45635,
    "c": 0.18954,
    "h": 271.5
  },
  "luminance": 0.08636
}

Semantic roles & 50–950 ramp

primary

#3644BE

secondary

#CAC386

accent

#D049DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3644BE

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

Preview Lab → · Contrast checker → · Palette generator →