#3684CA#3684CA

#3684CA is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 59.8% C 0.131 H 248.9°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3684CA
RGB	rgb(54, 132, 202)
HSL	hsl(208, 58%, 50%)
HSV	hsv(208, 73%, 79%)
CMYK	cmyk(73.3%, 34.7%, 0%, 20.8%)
CIE-LAB	lab(53.55, -0.26, -43.10)
CIE-LCH	lch(53.55, 43.10, 269.66°)
OKLab	oklab(59.84% -0.0472 -0.1225)
OKLCH	oklch(59.84% 0.131 248.9)
XYZ	xyz(20.4292, 21.5488, 58.9483)
Luminance	0.2155 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3684CA #CA7C36

analogous

#36CAC6 #3684CA #363ACA

triadic

#3684CA #CA3684 #84CA36

tetradic

#3684CA #C636CA #CA7C36 #3ACA36

square

#3684CA #C636CA #CA7C36 #3ACA36

split-complementary

#3684CA #CA363A #CAC636

monochromatic

#1C456A #29649A #3684CA #66A2D7 #97BFE4

Accessibility & contrast

On white

3.95

#3684CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#3684CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684CA

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3684CA	#FFFFFF	#000000	##000000
##3684CA	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6488CD

Deuteranopia (green-blind)

#4F7AC9

Tritanopia (blue-blind)

#00959D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3684ca;
/* rgb */ color: rgb(54, 132, 202);
/* oklch */ color: oklch(59.8% 0.131 248.9);

Tailwind

colors: {
  custom: {
    50: '#80a7da',
    500: '#3684ca',
    950: '#000000',
  },
}

SCSS

$custom: #3684ca;
$custom-light: #80a7da;
$custom-dark: #000000;

JSON

{
  "hex": "#3684ca",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 202
  },
  "hsl": {
    "h": 208.378,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.59839,
    "c": 0.13125,
    "h": 248.9
  },
  "luminance": 0.21551
}

Semantic roles & 50–950 ramp

primary

#3684CA

secondary

#CFAC8D

accent

#9046E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3684CA

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

Preview Lab → · Contrast checker → · Palette generator →