#3667CD#3667CD

#3667CD is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.6% C 0.167 H 262.8°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3667CD
RGB	rgb(54, 103, 205)
HSL	hsl(221, 60%, 51%)
HSV	hsv(221, 74%, 80%)
CMYK	cmyk(73.7%, 49.8%, 0%, 19.6%)
CIE-LAB	lab(45.48, 18.82, -57.69)
CIE-LCH	lch(45.48, 60.68, 288.07°)
OKLab	oklab(53.65% -0.021 -0.1658)
OKLCH	oklch(53.65% 0.167 262.8)
XYZ	xyz(17.3871, 14.8906, 59.7036)
Luminance	0.1489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3667CD #CD9C36

analogous

#36B2CD #3667CD #5036CD

triadic

#3667CD #CD3667 #67CD36

tetradic

#3667CD #CD36B2 #CD9C36 #36CD50

square

#3667CD #CD36B2 #CD9C36 #36CD50

split-complementary

#3667CD #CD5036 #B2CD36

monochromatic

#1B366D #274E9E #3667CD #678CD9 #98B1E5

Accessibility & contrast

On white

5.28

#3667CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#3667CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3667CD

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3667CD	#FFFFFF	#000000	##FFFFFF
##3667CD	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A73D1

Deuteranopia (green-blind)

#0065CB

Tritanopia (blue-blind)

#007F90

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3667cd;
/* rgb */ color: rgb(54, 103, 205);
/* oklch */ color: oklch(53.6% 0.167 262.8);

Tailwind

colors: {
  custom: {
    50: '#8191dd',
    500: '#3667cd',
    950: '#000000',
  },
}

SCSS

$custom: #3667cd;
$custom-light: #8191dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3667cd",
  "rgb": {
    "r": 54,
    "g": 103,
    "b": 205
  },
  "hsl": {
    "h": 220.53,
    "s": 60.159,
    "l": 50.784
  },
  "oklch": {
    "l": 0.53646,
    "c": 0.16713,
    "h": 262.8
  },
  "luminance": 0.14893
}

Semantic roles & 50–950 ramp

primary

#3667CD

secondary

#D1BB8E

accent

#B044E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3667CD

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

Preview Lab → · Contrast checker → · Palette generator →