#3667D7#3667D7

#3667D7 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.4% C 0.180 H 263.7°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3667D7
RGB	rgb(54, 103, 215)
HSL	hsl(222, 67%, 53%)
HSV	hsv(222, 75%, 84%)
CMYK	cmyk(74.9%, 52.1%, 0%, 15.7%)
CIE-LAB	lab(46.16, 22.52, -62.31)
CIE-LCH	lch(46.16, 66.25, 289.87°)
OKLab	oklab(54.38% -0.0199 -0.1794)
OKLCH	oklch(54.38% 0.181 263.7)
XYZ	xyz(18.6329, 15.3890, 66.2652)
Luminance	0.1539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3667D7 #D7A636

analogous

#36B8D7 #3667D7 #5536D7

triadic

#3667D7 #D73667 #67D736

tetradic

#3667D7 #D736B8 #D7A636 #36D755

square

#3667D7 #D736B8 #D7A636 #36D755

split-complementary

#3667D7 #D75536 #B8D736

monochromatic

#18367A #224DAD #3667D7 #698EE1 #9CB4EB

Accessibility & contrast

On white

5.15

#3667D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#3667D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3667D7

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3667D7	#FFFFFF	#000000	##FFFFFF
##3667D7	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1875DB

Deuteranopia (green-blind)

#0066D5

Tritanopia (blue-blind)

#008295

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3667d7;
/* rgb */ color: rgb(54, 103, 215);
/* oklch */ color: oklch(54.4% 0.180 263.7);

Tailwind

colors: {
  custom: {
    50: '#8391e4',
    500: '#3667d7',
    950: '#000000',
  },
}

SCSS

$custom: #3667d7;
$custom-light: #8391e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3667d7",
  "rgb": {
    "r": 54,
    "g": 103,
    "b": 215
  },
  "hsl": {
    "h": 221.739,
    "s": 66.805,
    "l": 52.745
  },
  "oklch": {
    "l": 0.54379,
    "c": 0.1805,
    "h": 263.7
  },
  "luminance": 0.15391
}

Semantic roles & 50–950 ramp

primary

#3667D7

secondary

#D7C292

accent

#B53EEA

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0C16

muted

#7D7D84

Preview Lab

Preview with #3667D7

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

Preview Lab → · Contrast checker → · Palette generator →