#3667AC#3667AC

#3667AC is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.4% C 0.122 H 257.3°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#3667AC
RGB	rgb(54, 103, 172)
HSL	hsl(215, 52%, 44%)
HSV	hsv(215, 69%, 67%)
CMYK	cmyk(68.6%, 40.1%, 0%, 32.5%)
CIE-LAB	lab(43.45, 6.64, -41.79)
CIE-LCH	lch(43.45, 42.32, 279.02°)
OKLab	oklab(51.43% -0.0268 -0.1191)
OKLCH	oklch(51.43% 0.122 257.3)
XYZ	xyz(13.8153, 13.4619, 40.8921)
Luminance	0.1346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3667AC #AC7B36

analogous

#36A2AC #3667AC #4036AC

triadic

#3667AC #AC3667 #67AC36

tetradic

#3667AC #AC36A2 #AC7B36 #36AC40

square

#3667AC #AC36A2 #AC7B36 #36AC40

split-complementary

#3667AC #AC4036 #A2AC36

monochromatic

#192F4F #274B7D #3667AC #5586CA #84A7D8

Accessibility & contrast

On white

5.69

#3667AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3667AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3667AC

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3667AC	#FFFFFF	#000000	##FFFFFF
##3667AC	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476DAF

Deuteranopia (green-blind)

#3562AB

Tritanopia (blue-blind)

#007781

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3667ac;
/* rgb */ color: rgb(54, 103, 172);
/* oklch */ color: oklch(51.4% 0.122 257.3);

Tailwind

colors: {
  custom: {
    50: '#7a91c5',
    500: '#3667ac',
    950: '#000000',
  },
}

SCSS

$custom: #3667ac;
$custom-light: #7a91c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3667ac",
  "rgb": {
    "r": 54,
    "g": 103,
    "b": 172
  },
  "hsl": {
    "h": 215.085,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51426,
    "c": 0.12206,
    "h": 257.3
  },
  "luminance": 0.13463
}

Semantic roles & 50–950 ramp

primary

#3667AC

secondary

#C2A57C

accent

#A04CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3667AC

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

Preview Lab → · Contrast checker → · Palette generator →