#3667BE#3667BE

#3667BE is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.6% C 0.147 H 260.9°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#3667BE
RGB	rgb(54, 103, 190)
HSL	hsl(218, 56%, 48%)
HSV	hsv(218, 72%, 75%)
CMYK	cmyk(71.6%, 45.8%, 0%, 25.5%)
CIE-LAB	lab(44.52, 13.26, -50.59)
CIE-LCH	lch(44.52, 52.30, 284.69°)
OKLab	oklab(52.6% -0.0232 -0.1449)
OKLCH	oklch(52.6% 0.147 260.9)
XYZ	xyz(15.6625, 14.2008, 50.6208)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3667BE #BE8D36

analogous

#36ABBE #3667BE #4936BE

triadic

#3667BE #BE3667 #67BE36

tetradic

#3667BE #BE36AB #BE8D36 #36BE49

square

#3667BE #BE36AB #BE8D36 #36BE49

split-complementary

#3667BE #BE4936 #ABBE36

monochromatic

#1B335F #284D8E #3667BE #6089D2 #8FACDF

Accessibility & contrast

On white

5.47

#3667BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#3667BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3667BE

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3667BE	#FFFFFF	#000000	##FFFFFF
##3667BE	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A70C1

Deuteranopia (green-blind)

#1E63BC

Tritanopia (blue-blind)

#007B89

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3667be;
/* rgb */ color: rgb(54, 103, 190);
/* oklch */ color: oklch(52.6% 0.147 260.9);

Tailwind

colors: {
  custom: {
    50: '#7e91d2',
    500: '#3667be',
    950: '#000000',
  },
}

SCSS

$custom: #3667be;
$custom-light: #7e91d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3667be",
  "rgb": {
    "r": 54,
    "g": 103,
    "b": 190
  },
  "hsl": {
    "h": 218.382,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.52598,
    "c": 0.14677,
    "h": 260.9
  },
  "luminance": 0.14202
}

Semantic roles & 50–950 ramp

primary

#3667BE

secondary

#CAB186

accent

#A949DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3667BE

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

Preview Lab → · Contrast checker → · Palette generator →