#3684C6#3684C6

#3684C6 is a mid, vivid cyan. Relative luminance 0.214; OKLCH L 59.6% C 0.126 H 247.5°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3684C6
RGB	rgb(54, 132, 198)
HSL	hsl(208, 57%, 49%)
HSV	hsv(208, 73%, 78%)
CMYK	cmyk(72.7%, 33.3%, 0%, 22.4%)
CIE-LAB	lab(53.34, -1.69, -41.15)
CIE-LCH	lch(53.34, 41.18, 267.65°)
OKLab	oklab(59.61% -0.0483 -0.1168)
OKLCH	oklch(59.61% 0.126 247.5)
XYZ	xyz(19.9618, 21.3618, 56.4863)
Luminance	0.2136 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3684C6 #C67836

analogous

#36C6C0 #3684C6 #363CC6

triadic

#3684C6 #C63684 #84C636

tetradic

#3684C6 #C036C6 #C67836 #3CC636

square

#3684C6 #C036C6 #C67836 #3CC636

split-complementary

#3684C6 #C6363C #C6C036

monochromatic

#1C4466 #296496 #3684C6 #64A1D5 #94BEE2

Accessibility & contrast

On white

3.98

#3684C6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#3684C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684C6

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3684C6	#FFFFFF	#000000	##000000
##3684C6	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6687C9

Deuteranopia (green-blind)

#5279C5

Tritanopia (blue-blind)

#00949C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3684c6;
/* rgb */ color: rgb(54, 132, 198);
/* oklch */ color: oklch(59.6% 0.126 247.5);

Tailwind

colors: {
  custom: {
    50: '#7fa7d7',
    500: '#3684c6',
    950: '#000000',
  },
}

SCSS

$custom: #3684c6;
$custom-light: #7fa7d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3684c6",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 198
  },
  "hsl": {
    "h": 207.5,
    "s": 57.143,
    "l": 49.412
  },
  "oklch": {
    "l": 0.59614,
    "c": 0.12637,
    "h": 247.5
  },
  "luminance": 0.21364
}

Semantic roles & 50–950 ramp

primary

#3684C6

secondary

#CDA98B

accent

#8E47E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3684C6

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

Preview Lab → · Contrast checker → · Palette generator →