#3668C3#3668C3

#3668C3 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.2% C 0.152 H 261.2°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3668C3
RGB	rgb(54, 104, 195)
HSL	hsl(219, 57%, 49%)
HSV	hsv(219, 72%, 76%)
CMYK	cmyk(72.3%, 46.7%, 0%, 23.5%)
CIE-LAB	lab(45.11, 14.47, -52.53)
CIE-LCH	lch(45.11, 54.49, 285.41°)
OKLab	oklab(53.15% -0.0233 -0.1506)
OKLCH	oklch(53.15% 0.152 261.2)
XYZ	xyz(16.3184, 14.6233, 53.5817)
Luminance	0.1462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3668C3 #C39136

analogous

#36AFC3 #3668C3 #4A36C3

triadic

#3668C3 #C33668 #68C336

tetradic

#3668C3 #C336AF #C39136 #36C34A

square

#3668C3 #C336AF #C39136 #36C34A

split-complementary

#3668C3 #C34A36 #AFC336

monochromatic

#1B3563 #294E93 #3668C3 #638BD4 #92AEE1

Accessibility & contrast

On white

5.35

#3668C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#3668C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3668C3

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3668C3	#FFFFFF	#000000	##FFFFFF
##3668C3	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3872C6

Deuteranopia (green-blind)

#1665C1

Tritanopia (blue-blind)

#007D8C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3668c3;
/* rgb */ color: rgb(54, 104, 195);
/* oklch */ color: oklch(53.2% 0.152 261.2);

Tailwind

colors: {
  custom: {
    50: '#7f92d6',
    500: '#3668c3',
    950: '#000000',
  },
}

SCSS

$custom: #3668c3;
$custom-light: #7f92d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3668c3",
  "rgb": {
    "r": 54,
    "g": 104,
    "b": 195
  },
  "hsl": {
    "h": 218.723,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.53155,
    "c": 0.1524,
    "h": 261.2
  },
  "luminance": 0.14625
}

Semantic roles & 50–950 ramp

primary

#3668C3

secondary

#CCB489

accent

#AA48E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3668C3

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

Preview Lab → · Contrast checker → · Palette generator →