#3644C3#3644C3

#3644C3 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.1% C 0.196 H 271.3°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#3644C3
RGB	rgb(54, 68, 195)
HSL	hsl(234, 57%, 49%)
HSV	hsv(234, 72%, 76%)
CMYK	cmyk(72.3%, 65.1%, 0%, 23.5%)
CIE-LAB	lab(35.71, 37.58, -67.80)
CIE-LCH	lch(35.71, 77.52, 299.00°)
OKLab	oklab(46.09% 0.0045 -0.196)
OKLCH	oklch(46.09% 0.196 271.3)
XYZ	xyz(13.4354, 8.8573, 52.6207)
Luminance	0.0886 (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

#3644C3 #C3B536

analogous

#368BC3 #3644C3 #6F36C3

triadic

#3644C3 #C33644 #44C336

tetradic

#3644C3 #C3368B #C3B536 #36C36F

square

#3644C3 #C3368B #C3B536 #36C36F

split-complementary

#3644C3 #C36F36 #8BC336

monochromatic

#1B2363 #293393 #3644C3 #636ED4 #929AE1

Accessibility & contrast

On white

7.58

#3644C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3644C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3644C3

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3644C3	#FFFFFF	#000000	##FFFFFF
##3644C3	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC7

Deuteranopia (green-blind)

#004DC1

Tritanopia (blue-blind)

#00657D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3644c3;
/* rgb */ color: rgb(54, 68, 195);
/* oklch */ color: oklch(46.1% 0.196 271.3);

Tailwind

colors: {
  custom: {
    50: '#8178d6',
    500: '#3644c3',
    950: '#000000',
  },
}

SCSS

$custom: #3644c3;
$custom-light: #8178d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3644c3",
  "rgb": {
    "r": 54,
    "g": 68,
    "b": 195
  },
  "hsl": {
    "h": 234.043,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.46089,
    "c": 0.19601,
    "h": 271.3
  },
  "luminance": 0.08859
}

Semantic roles & 50–950 ramp

primary

#3644C3

secondary

#CCC589

accent

#D148E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3644C3

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

Preview Lab → · Contrast checker → · Palette generator →