#3668C7#3668C7

#3668C7 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.4% C 0.158 H 261.8°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3668C7
RGB	rgb(54, 104, 199)
HSL	hsl(219, 57%, 50%)
HSV	hsv(219, 73%, 78%)
CMYK	cmyk(72.9%, 47.7%, 0%, 22%)
CIE-LAB	lab(45.37, 15.96, -54.43)
CIE-LCH	lch(45.37, 56.72, 286.34°)
OKLab	oklab(53.43% -0.0226 -0.1562)
OKLCH	oklch(53.43% 0.158 261.8)
XYZ	xyz(16.7767, 14.8066, 55.9955)
Luminance	0.1481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3668C7 #C79536

analogous

#36B1C7 #3668C7 #4C36C7

triadic

#3668C7 #C73668 #68C736

tetradic

#3668C7 #C736B1 #C79536 #36C74C

square

#3668C7 #C736B1 #C79536 #36C74C

split-complementary

#3668C7 #C74C36 #B1C736

monochromatic

#1C3667 #294F97 #3668C7 #658CD5 #95B0E2

Accessibility & contrast

On white

5.30

#3668C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#3668C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3668C7

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3668C7	#FFFFFF	#000000	##FFFFFF
##3668C7	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3472CB

Deuteranopia (green-blind)

#0865C5

Tritanopia (blue-blind)

#007E8E

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3668c7;
/* rgb */ color: rgb(54, 104, 199);
/* oklch */ color: oklch(53.4% 0.158 261.8);

Tailwind

colors: {
  custom: {
    50: '#8092d9',
    500: '#3668c7',
    950: '#000000',
  },
}

SCSS

$custom: #3668c7;
$custom-light: #8092d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3668c7",
  "rgb": {
    "r": 54,
    "g": 104,
    "b": 199
  },
  "hsl": {
    "h": 219.31,
    "s": 57.312,
    "l": 49.608
  },
  "oklch": {
    "l": 0.53432,
    "c": 0.15782,
    "h": 261.8
  },
  "luminance": 0.14808
}

Semantic roles & 50–950 ramp

primary

#3668C7

secondary

#CEB78B

accent

#AC47E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3668C7

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

Preview Lab → · Contrast checker → · Palette generator →