#3668BE#3668BE

#3668BE is a mid, vivid blue. Relative luminance 0.144; OKLCH L 52.8% C 0.146 H 260.5°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3668BE
RGB	rgb(54, 104, 190)
HSL	hsl(218, 56%, 48%)
HSV	hsv(218, 72%, 75%)
CMYK	cmyk(71.6%, 45.3%, 0%, 25.5%)
CIE-LAB	lab(44.80, 12.63, -50.14)
CIE-LCH	lch(44.80, 51.70, 284.13°)
OKLab	oklab(52.82% -0.0241 -0.1436)
OKLCH	oklch(52.82% 0.146 260.5)
XYZ	xyz(15.7626, 14.4009, 50.6542)
Luminance	0.1440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3668BE #BE8C36

analogous

#36ACBE #3668BE #4836BE

triadic

#3668BE #BE3668 #68BE36

tetradic

#3668BE #BE36AC #BE8C36 #36BE48

square

#3668BE #BE36AC #BE8C36 #36BE48

split-complementary

#3668BE #BE4836 #ACBE36

monochromatic

#1B345F #284E8E #3668BE #6089D2 #8FADDF

Accessibility & contrast

On white

5.41

#3668BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3668BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3668BE

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3668BE	#FFFFFF	#000000	##FFFFFF
##3668BE	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C71C1

Deuteranopia (green-blind)

#2164BC

Tritanopia (blue-blind)

#007C8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3668be;
/* rgb */ color: rgb(54, 104, 190);
/* oklch */ color: oklch(52.8% 0.146 260.5);

Tailwind

colors: {
  custom: {
    50: '#7e92d2',
    500: '#3668be',
    950: '#000000',
  },
}

SCSS

$custom: #3668be;
$custom-light: #7e92d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3668be",
  "rgb": {
    "r": 54,
    "g": 104,
    "b": 190
  },
  "hsl": {
    "h": 217.941,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.52816,
    "c": 0.14558,
    "h": 260.5
  },
  "luminance": 0.14403
}

Semantic roles & 50–950 ramp

primary

#3668BE

secondary

#CAB186

accent

#A849DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3668BE

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

Preview Lab → · Contrast checker → · Palette generator →