#3667C3#3667C3

#3667C3 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 52.9% C 0.154 H 261.6°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3667C3
RGB	rgb(54, 103, 195)
HSL	hsl(219, 57%, 49%)
HSV	hsv(219, 72%, 76%)
CMYK	cmyk(72.3%, 47.2%, 0%, 23.5%)
CIE-LAB	lab(44.83, 15.11, -52.98)
CIE-LCH	lch(44.83, 55.09, 285.92°)
OKLab	oklab(52.94% -0.0224 -0.1519)
OKLCH	oklch(52.94% 0.154 261.6)
XYZ	xyz(16.2184, 14.4232, 53.5484)
Luminance	0.1442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3667C3 #C39236

analogous

#36AEC3 #3667C3 #4C36C3

triadic

#3667C3 #C33667 #67C336

tetradic

#3667C3 #C336AE #C39236 #36C34C

square

#3667C3 #C336AE #C39236 #36C34C

split-complementary

#3667C3 #C34C36 #AEC336

monochromatic

#1B3463 #294E93 #3667C3 #638AD4 #92AEE1

Accessibility & contrast

On white

5.41

#3667C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3667C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3667C3

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3667C3	#FFFFFF	#000000	##FFFFFF
##3667C3	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3671C6

Deuteranopia (green-blind)

#1264C1

Tritanopia (blue-blind)

#007D8B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3667c3;
/* rgb */ color: rgb(54, 103, 195);
/* oklch */ color: oklch(52.9% 0.154 261.6);

Tailwind

colors: {
  custom: {
    50: '#7f91d6',
    500: '#3667c3',
    950: '#000000',
  },
}

SCSS

$custom: #3667c3;
$custom-light: #7f91d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3667c3",
  "rgb": {
    "r": 54,
    "g": 103,
    "b": 195
  },
  "hsl": {
    "h": 219.149,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5294,
    "c": 0.15359,
    "h": 261.6
  },
  "luminance": 0.14425
}

Semantic roles & 50–950 ramp

primary

#3667C3

secondary

#CCB589

accent

#AB48E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3667C3

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

Preview Lab → · Contrast checker → · Palette generator →