#3664AE#3664AE

#3664AE is a mid, vivid blue. Relative luminance 0.130; OKLCH L 50.9% C 0.128 H 259.5°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3664AE
RGB	rgb(54, 100, 174)
HSL	hsl(217, 53%, 45%)
HSV	hsv(217, 69%, 68%)
CMYK	cmyk(69%, 42.5%, 0%, 31.8%)
CIE-LAB	lab(42.69, 9.27, -44.18)
CIE-LCH	lch(42.69, 45.14, 281.85°)
OKLab	oklab(50.88% -0.0234 -0.1261)
OKLCH	oklch(50.88% 0.128 259.5)
XYZ	xyz(13.7157, 12.9532, 41.8136)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3664AE #AE8036

analogous

#36A0AE #3664AE #4436AE

triadic

#3664AE #AE3664 #64AE36

tetradic

#3664AE #AE36A0 #AE8036 #36AE44

square

#3664AE #AE36A0 #AE8036 #36AE44

split-complementary

#3664AE #AE4436 #A0AE36

monochromatic

#192E51 #28497F #3664AE #5683CB #85A5D9

Accessibility & contrast

On white

5.85

#3664AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#3664AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3664AE

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3664AE	#FFFFFF	#000000	##FFFFFF
##3664AE	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416BB1

Deuteranopia (green-blind)

#2D60AC

Tritanopia (blue-blind)

#007580

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3664ae;
/* rgb */ color: rgb(54, 100, 174);
/* oklch */ color: oklch(50.9% 0.128 259.5);

Tailwind

colors: {
  custom: {
    50: '#7b8fc6',
    500: '#3664ae',
    950: '#000000',
  },
}

SCSS

$custom: #3664ae;
$custom-light: #7b8fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3664ae",
  "rgb": {
    "r": 54,
    "g": 100,
    "b": 174
  },
  "hsl": {
    "h": 217,
    "s": 52.632,
    "l": 44.706
  },
  "oklch": {
    "l": 0.50875,
    "c": 0.12827,
    "h": 259.5
  },
  "luminance": 0.12955
}

Semantic roles & 50–950 ramp

primary

#3664AE

secondary

#C3A87D

accent

#A54CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3664AE

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

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