#3667BD#3667BD

#3667BD is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.5% C 0.145 H 260.7°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3667BD
RGB	rgb(54, 103, 189)
HSL	hsl(218, 56%, 48%)
HSV	hsv(218, 71%, 74%)
CMYK	cmyk(71.4%, 45.5%, 0%, 25.9%)
CIE-LAB	lab(44.46, 12.89, -50.11)
CIE-LCH	lch(44.46, 51.74, 284.43°)
OKLab	oklab(52.53% -0.0234 -0.1435)
OKLCH	oklch(52.53% 0.145 260.7)
XYZ	xyz(15.5536, 14.1572, 50.0472)
Luminance	0.1416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3667BD #BD8C36

analogous

#36ABBD #3667BD #4836BD

triadic

#3667BD #BD3667 #67BD36

tetradic

#3667BD #BD36AB #BD8C36 #36BD48

square

#3667BD #BD36AB #BD8C36 #36BD48

split-complementary

#3667BD #BD4836 #ABBD36

monochromatic

#1B335E #284D8D #3667BD #5F88D1 #8FACDF

Accessibility & contrast

On white

5.48

#3667BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#3667BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3667BD

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3667BD	#FFFFFF	#000000	##FFFFFF
##3667BD	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B70C0

Deuteranopia (green-blind)

#2063BB

Tritanopia (blue-blind)

#007B89

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3667bd;
/* rgb */ color: rgb(54, 103, 189);
/* oklch */ color: oklch(52.5% 0.145 260.7);

Tailwind

colors: {
  custom: {
    50: '#7e91d1',
    500: '#3667bd',
    950: '#000000',
  },
}

SCSS

$custom: #3667bd;
$custom-light: #7e91d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3667bd",
  "rgb": {
    "r": 54,
    "g": 103,
    "b": 189
  },
  "hsl": {
    "h": 218.222,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.5253,
    "c": 0.1454,
    "h": 260.7
  },
  "luminance": 0.14159
}

Semantic roles & 50–950 ramp

primary

#3667BD

secondary

#C9B185

accent

#A849DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3667BD

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

Preview Lab → · Contrast checker → · Palette generator →