#3668C5#3668C5

#3668C5 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.3% C 0.155 H 261.5°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#3668C5
RGB	rgb(54, 104, 197)
HSL	hsl(219, 57%, 49%)
HSV	hsv(219, 73%, 77%)
CMYK	cmyk(72.6%, 47.2%, 0%, 22.7%)
CIE-LAB	lab(45.24, 15.22, -53.48)
CIE-LCH	lch(45.24, 55.60, 285.88°)
OKLab	oklab(53.29% -0.023 -0.1534)
OKLCH	oklch(53.29% 0.155 261.5)
XYZ	xyz(16.5461, 14.7143, 54.7806)
Luminance	0.1472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3668C5 #C59336

analogous

#36B0C5 #3668C5 #4C36C5

triadic

#3668C5 #C53668 #68C536

tetradic

#3668C5 #C536B0 #C59336 #36C54C

square

#3668C5 #C536B0 #C59336 #36C54C

split-complementary

#3668C5 #C54C36 #B0C536

monochromatic

#1C3565 #294F95 #3668C5 #648BD4 #94AFE2

Accessibility & contrast

On white

5.33

#3668C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#3668C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3668C5

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3668C5	#FFFFFF	#000000	##FFFFFF
##3668C5	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3672C8

Deuteranopia (green-blind)

#1165C3

Tritanopia (blue-blind)

#007E8D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3668c5;
/* rgb */ color: rgb(54, 104, 197);
/* oklch */ color: oklch(53.3% 0.155 261.5);

Tailwind

colors: {
  custom: {
    50: '#7f92d7',
    500: '#3668c5',
    950: '#000000',
  },
}

SCSS

$custom: #3668c5;
$custom-light: #7f92d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3668c5",
  "rgb": {
    "r": 54,
    "g": 104,
    "b": 197
  },
  "hsl": {
    "h": 219.021,
    "s": 56.972,
    "l": 49.216
  },
  "oklch": {
    "l": 0.53293,
    "c": 0.15511,
    "h": 261.5
  },
  "luminance": 0.14716
}

Semantic roles & 50–950 ramp

primary

#3668C5

secondary

#CDB58A

accent

#AB48E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3668C5

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

Preview Lab → · Contrast checker → · Palette generator →