#3668C9#3668C9

#3668C9 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.6% C 0.161 H 262.0°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3668C9
RGB	rgb(54, 104, 201)
HSL	hsl(220, 58%, 50%)
HSV	hsv(220, 73%, 79%)
CMYK	cmyk(73.1%, 48.3%, 0%, 21.2%)
CIE-LAB	lab(45.50, 16.70, -55.37)
CIE-LCH	lch(45.50, 57.84, 286.78°)
OKLab	oklab(53.57% -0.0223 -0.159)
OKLCH	oklch(53.57% 0.161 262)
XYZ	xyz(17.0105, 14.9001, 57.2265)
Luminance	0.1490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3668C9 #C99736

analogous

#36B1C9 #3668C9 #4E36C9

triadic

#3668C9 #C93668 #68C936

tetradic

#3668C9 #C936B1 #C99736 #36C94E

square

#3668C9 #C936B1 #C99736 #36C94E

split-complementary

#3668C9 #C94E36 #B1C936

monochromatic

#1C3669 #294F99 #3668C9 #668CD6 #96B0E3

Accessibility & contrast

On white

5.28

#3668C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#3668C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3668C9

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3668C9	#FFFFFF	#000000	##FFFFFF
##3668C9	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3273CD

Deuteranopia (green-blind)

#0065C7

Tritanopia (blue-blind)

#007F8F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3668c9;
/* rgb */ color: rgb(54, 104, 201);
/* oklch */ color: oklch(53.6% 0.161 262.0);

Tailwind

colors: {
  custom: {
    50: '#8092da',
    500: '#3668c9',
    950: '#000000',
  },
}

SCSS

$custom: #3668c9;
$custom-light: #8092da;
$custom-dark: #000000;

JSON

{
  "hex": "#3668c9",
  "rgb": {
    "r": 54,
    "g": 104,
    "b": 201
  },
  "hsl": {
    "h": 219.592,
    "s": 57.647,
    "l": 50
  },
  "oklch": {
    "l": 0.53572,
    "c": 0.16053,
    "h": 262
  },
  "luminance": 0.14902
}

Semantic roles & 50–950 ramp

primary

#3668C9

secondary

#CEB88C

accent

#AD47E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3668C9

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

Preview Lab → · Contrast checker → · Palette generator →