#3668C4#3668C4

#3668C4 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.2% C 0.154 H 261.4°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#3668C4
RGB	rgb(54, 104, 196)
HSL	hsl(219, 57%, 49%)
HSV	hsv(219, 72%, 77%)
CMYK	cmyk(72.4%, 46.9%, 0%, 23.1%)
CIE-LAB	lab(45.18, 14.85, -53.01)
CIE-LCH	lch(45.18, 55.05, 285.65°)
OKLab	oklab(53.22% -0.0231 -0.152)
OKLCH	oklch(53.22% 0.154 261.4)
XYZ	xyz(16.4319, 14.6686, 54.1792)
Luminance	0.1467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3668C4 #C49236

analogous

#36AFC4 #3668C4 #4B36C4

triadic

#3668C4 #C43668 #68C436

tetradic

#3668C4 #C436AF #C49236 #36C44B

square

#3668C4 #C436AF #C49236 #36C44B

split-complementary

#3668C4 #C44B36 #AFC436

monochromatic

#1C3564 #294F94 #3668C4 #638BD4 #93AFE1

Accessibility & contrast

On white

5.34

#3668C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#3668C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3668C4

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3668C4	#FFFFFF	#000000	##FFFFFF
##3668C4	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3772C7

Deuteranopia (green-blind)

#1465C2

Tritanopia (blue-blind)

#007E8C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3668c4;
/* rgb */ color: rgb(54, 104, 196);
/* oklch */ color: oklch(53.2% 0.154 261.4);

Tailwind

colors: {
  custom: {
    50: '#7f92d6',
    500: '#3668c4',
    950: '#000000',
  },
}

SCSS

$custom: #3668c4;
$custom-light: #7f92d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3668c4",
  "rgb": {
    "r": 54,
    "g": 104,
    "b": 196
  },
  "hsl": {
    "h": 218.873,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.53224,
    "c": 0.15376,
    "h": 261.4
  },
  "luminance": 0.1467
}

Semantic roles & 50–950 ramp

primary

#3668C4

secondary

#CCB589

accent

#AA48E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3668C4

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

Preview Lab → · Contrast checker → · Palette generator →