#3684C5#3684C5

#3684C5 is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.6% C 0.125 H 247.2°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#3684C5
RGB	rgb(54, 132, 197)
HSL	hsl(207, 57%, 49%)
HSV	hsv(207, 73%, 77%)
CMYK	cmyk(72.6%, 33%, 0%, 22.7%)
CIE-LAB	lab(53.29, -2.04, -40.66)
CIE-LCH	lch(53.29, 40.71, 267.12°)
OKLab	oklab(59.56% -0.0486 -0.1153)
OKLCH	oklch(59.56% 0.125 247.2)
XYZ	xyz(19.8468, 21.3158, 55.8809)
Luminance	0.2132 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3684C5 #C57736

analogous

#36C5BF #3684C5 #363CC5

triadic

#3684C5 #C53684 #84C536

tetradic

#3684C5 #BF36C5 #C57736 #3CC536

square

#3684C5 #BF36C5 #C57736 #3CC536

split-complementary

#3684C5 #C5363C #C5BF36

monochromatic

#1C4465 #296495 #3684C5 #64A1D4 #94BEE2

Accessibility & contrast

On white

3.99

#3684C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#3684C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684C5

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3684C5	#FFFFFF	#000000	##000000
##3684C5	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6687C8

Deuteranopia (green-blind)

#5279C4

Tritanopia (blue-blind)

#00949B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3684c5;
/* rgb */ color: rgb(54, 132, 197);
/* oklch */ color: oklch(59.6% 0.125 247.2);

Tailwind

colors: {
  custom: {
    50: '#7fa7d7',
    500: '#3684c5',
    950: '#000000',
  },
}

SCSS

$custom: #3684c5;
$custom-light: #7fa7d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3684c5",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 197
  },
  "hsl": {
    "h": 207.273,
    "s": 56.972,
    "l": 49.216
  },
  "oklch": {
    "l": 0.59559,
    "c": 0.12516,
    "h": 247.2
  },
  "luminance": 0.21318
}

Semantic roles & 50–950 ramp

primary

#3684C5

secondary

#CDA88A

accent

#8D48E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3684C5

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

Preview Lab → · Contrast checker → · Palette generator →