#3664C0#3664C0

#3664C0 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.1% C 0.153 H 262.4°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#3664C0
RGB	rgb(54, 100, 192)
HSL	hsl(220, 56%, 48%)
HSV	hsv(220, 72%, 75%)
CMYK	cmyk(71.9%, 47.9%, 0%, 24.7%)
CIE-LAB	lab(43.80, 15.92, -52.90)
CIE-LCH	lch(43.80, 55.25, 286.75°)
OKLab	oklab(52.09% -0.0202 -0.1518)
OKLCH	oklch(52.09% 0.153 262.4)
XYZ	xyz(15.5895, 13.7027, 51.6822)
Luminance	0.1370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3664C0 #C09236

analogous

#36A9C0 #3664C0 #4D36C0

triadic

#3664C0 #C03664 #64C036

tetradic

#3664C0 #C036A9 #C09236 #36C04D

square

#3664C0 #C036A9 #C09236 #36C04D

split-complementary

#3664C0 #C04D36 #A9C036

monochromatic

#1B3260 #294B90 #3664C0 #6187D2 #90ABE0

Accessibility & contrast

On white

5.61

#3664C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#3664C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3664C0

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3664C0	#FFFFFF	#000000	##FFFFFF
##3664C0	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326EC3

Deuteranopia (green-blind)

#0A62BE

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3664c0;
/* rgb */ color: rgb(54, 100, 192);
/* oklch */ color: oklch(52.1% 0.153 262.4);

Tailwind

colors: {
  custom: {
    50: '#7e8fd4',
    500: '#3664c0',
    950: '#000000',
  },
}

SCSS

$custom: #3664c0;
$custom-light: #7e8fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3664c0",
  "rgb": {
    "r": 54,
    "g": 100,
    "b": 192
  },
  "hsl": {
    "h": 220,
    "s": 56.098,
    "l": 48.235
  },
  "oklch": {
    "l": 0.52089,
    "c": 0.15311,
    "h": 262.4
  },
  "luminance": 0.13704
}

Semantic roles & 50–950 ramp

primary

#3664C0

secondary

#CBB487

accent

#AD48DF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3664C0

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

Preview Lab → · Contrast checker → · Palette generator →