#3664C2#3664C2

#3664C2 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.2% C 0.156 H 262.6°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#3664C2
RGB	rgb(54, 100, 194)
HSL	hsl(220, 56%, 49%)
HSV	hsv(220, 72%, 76%)
CMYK	cmyk(72.2%, 48.5%, 0%, 23.9%)
CIE-LAB	lab(43.93, 16.66, -53.85)
CIE-LCH	lch(43.93, 56.37, 287.19°)
OKLab	oklab(52.23% -0.0199 -0.1546)
OKLCH	oklch(52.23% 0.156 262.6)
XYZ	xyz(15.8126, 13.7920, 52.8572)
Luminance	0.1379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3664C2 #C29436

analogous

#36AAC2 #3664C2 #4E36C2

triadic

#3664C2 #C23664 #64C236

tetradic

#3664C2 #C236AA #C29436 #36C24E

square

#3664C2 #C236AA #C29436 #36C24E

split-complementary

#3664C2 #C24E36 #AAC236

monochromatic

#1B3362 #294B92 #3664C2 #6287D3 #92ACE1

Accessibility & contrast

On white

5.59

#3664C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3664C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3664C2

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3664C2	#FFFFFF	#000000	##FFFFFF
##3664C2	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#306FC5

Deuteranopia (green-blind)

#0162C0

Tritanopia (blue-blind)

#007A8A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3664c2;
/* rgb */ color: rgb(54, 100, 194);
/* oklch */ color: oklch(52.2% 0.156 262.6);

Tailwind

colors: {
  custom: {
    50: '#7f8fd5',
    500: '#3664c2',
    950: '#000000',
  },
}

SCSS

$custom: #3664c2;
$custom-light: #7f8fd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3664c2",
  "rgb": {
    "r": 54,
    "g": 100,
    "b": 194
  },
  "hsl": {
    "h": 220.286,
    "s": 56.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.52229,
    "c": 0.15584,
    "h": 262.6
  },
  "luminance": 0.13794
}

Semantic roles & 50–950 ramp

primary

#3664C2

secondary

#CCB588

accent

#AE48E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3664C2

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

Preview Lab → · Contrast checker → · Palette generator →