#3668C8#3668C8

#3668C8 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.5% C 0.159 H 261.9°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3668C8
RGB	rgb(54, 104, 200)
HSL	hsl(219, 57%, 50%)
HSV	hsv(219, 73%, 78%)
CMYK	cmyk(73%, 48%, 0%, 21.6%)
CIE-LAB	lab(45.43, 16.33, -54.90)
CIE-LCH	lch(45.43, 57.28, 286.56°)
OKLab	oklab(53.5% -0.0225 -0.1576)
OKLCH	oklch(53.5% 0.159 261.9)
XYZ	xyz(16.8932, 14.8532, 56.6090)
Luminance	0.1485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3668C8 #C89636

analogous

#36B1C8 #3668C8 #4D36C8

triadic

#3668C8 #C83668 #68C836

tetradic

#3668C8 #C836B1 #C89636 #36C84D

square

#3668C8 #C836B1 #C89636 #36C84D

split-complementary

#3668C8 #C84D36 #B1C836

monochromatic

#1C3668 #294F98 #3668C8 #668CD6 #96B0E3

Accessibility & contrast

On white

5.29

#3668C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#3668C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3668C8

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3668C8	#FFFFFF	#000000	##FFFFFF
##3668C8	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3373CC

Deuteranopia (green-blind)

#0365C6

Tritanopia (blue-blind)

#007F8E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3668c8;
/* rgb */ color: rgb(54, 104, 200);
/* oklch */ color: oklch(53.5% 0.159 261.9);

Tailwind

colors: {
  custom: {
    50: '#8092d9',
    500: '#3668c8',
    950: '#000000',
  },
}

SCSS

$custom: #3668c8;
$custom-light: #8092d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3668c8",
  "rgb": {
    "r": 54,
    "g": 104,
    "b": 200
  },
  "hsl": {
    "h": 219.452,
    "s": 57.48,
    "l": 49.804
  },
  "oklch": {
    "l": 0.53502,
    "c": 0.15918,
    "h": 261.9
  },
  "luminance": 0.14855
}

Semantic roles & 50–950 ramp

primary

#3668C8

secondary

#CEB78C

accent

#AC47E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3668C8

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

Preview Lab → · Contrast checker → · Palette generator →