#3667C0#3667C0

#3667C0 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.7% C 0.149 H 261.2°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3667C0
RGB	rgb(54, 103, 192)
HSL	hsl(219, 56%, 48%)
HSV	hsv(219, 72%, 75%)
CMYK	cmyk(71.9%, 46.4%, 0%, 24.7%)
CIE-LAB	lab(44.64, 14.00, -51.55)
CIE-LCH	lch(44.64, 53.42, 285.20°)
OKLab	oklab(52.73% -0.0229 -0.1477)
OKLCH	oklch(52.73% 0.15 261.2)
XYZ	xyz(15.8826, 14.2888, 51.7799)
Luminance	0.1429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3667C0 #C08F36

analogous

#36ACC0 #3667C0 #4A36C0

triadic

#3667C0 #C03667 #67C036

tetradic

#3667C0 #C036AC #C08F36 #36C04A

square

#3667C0 #C036AC #C08F36 #36C04A

split-complementary

#3667C0 #C04A36 #ACC036

monochromatic

#1B3460 #294D90 #3667C0 #6189D2 #90ADE0

Accessibility & contrast

On white

5.44

#3667C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#3667C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3667C0

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3667C0	#FFFFFF	#000000	##FFFFFF
##3667C0	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3970C3

Deuteranopia (green-blind)

#1A64BE

Tritanopia (blue-blind)

#007C8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3667c0;
/* rgb */ color: rgb(54, 103, 192);
/* oklch */ color: oklch(52.7% 0.149 261.2);

Tailwind

colors: {
  custom: {
    50: '#7e91d3',
    500: '#3667c0',
    950: '#000000',
  },
}

SCSS

$custom: #3667c0;
$custom-light: #7e91d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3667c0",
  "rgb": {
    "r": 54,
    "g": 103,
    "b": 192
  },
  "hsl": {
    "h": 218.696,
    "s": 56.098,
    "l": 48.235
  },
  "oklch": {
    "l": 0.52734,
    "c": 0.1495,
    "h": 261.2
  },
  "luminance": 0.14291
}

Semantic roles & 50–950 ramp

primary

#3667C0

secondary

#CBB387

accent

#AA48DF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3667C0

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

Preview Lab → · Contrast checker → · Palette generator →