#3667C1#3667C1

#3667C1 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.8% C 0.151 H 261.3°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3667C1
RGB	rgb(54, 103, 193)
HSL	hsl(219, 56%, 48%)
HSV	hsv(219, 72%, 76%)
CMYK	cmyk(72%, 46.6%, 0%, 24.3%)
CIE-LAB	lab(44.71, 14.37, -52.03)
CIE-LCH	lch(44.71, 53.98, 285.44°)
OKLab	oklab(52.8% -0.0227 -0.1491)
OKLCH	oklch(52.8% 0.151 261.3)
XYZ	xyz(15.9938, 14.3333, 52.3654)
Luminance	0.1434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3667C1 #C19036

analogous

#36ACC1 #3667C1 #4A36C1

triadic

#3667C1 #C13667 #67C136

tetradic

#3667C1 #C136AC #C19036 #36C14A

square

#3667C1 #C136AC #C19036 #36C14A

split-complementary

#3667C1 #C14A36 #ACC136

monochromatic

#1B3461 #294D91 #3667C1 #6189D3 #91ADE0

Accessibility & contrast

On white

5.43

#3667C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#3667C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3667C1

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3667C1	#FFFFFF	#000000	##FFFFFF
##3667C1	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3871C4

Deuteranopia (green-blind)

#1764BF

Tritanopia (blue-blind)

#007C8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3667c1;
/* rgb */ color: rgb(54, 103, 193);
/* oklch */ color: oklch(52.8% 0.151 261.3);

Tailwind

colors: {
  custom: {
    50: '#7e91d4',
    500: '#3667c1',
    950: '#000000',
  },
}

SCSS

$custom: #3667c1;
$custom-light: #7e91d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3667c1",
  "rgb": {
    "r": 54,
    "g": 103,
    "b": 193
  },
  "hsl": {
    "h": 218.849,
    "s": 56.275,
    "l": 48.431
  },
  "oklch": {
    "l": 0.52802,
    "c": 0.15086,
    "h": 261.3
  },
  "luminance": 0.14335
}

Semantic roles & 50–950 ramp

primary

#3667C1

secondary

#CBB388

accent

#AA48E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3667C1

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

Preview Lab → · Contrast checker → · Palette generator →