#3684B6#3684B6

#3684B6 is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.8% C 0.108 H 240.4°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#3684B6
RGB	rgb(54, 132, 182)
HSL	hsl(203, 54%, 46%)
HSV	hsv(203, 70%, 71%)
CMYK	cmyk(70.3%, 27.5%, 0%, 28.6%)
CIE-LAB	lab(52.58, -7.33, -33.21)
CIE-LCH	lch(52.58, 34.01, 257.54°)
OKLab	oklab(58.76% -0.0532 -0.0937)
OKLCH	oklch(58.76% 0.108 240.4)
XYZ	xyz(18.2128, 20.6622, 47.2752)
Luminance	0.2066 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3684B6 #B66836

analogous

#36B6A8 #3684B6 #3644B6

triadic

#3684B6 #B63684 #84B636

tetradic

#3684B6 #A836B6 #B66836 #44B636

square

#3684B6 #A836B6 #B66836 #44B636

split-complementary

#3684B6 #B63644 #B6A836

monochromatic

#1A4058 #286287 #3684B6 #5BA1CE #8ABCDC

Accessibility & contrast

On white

4.09

#3684B6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#3684B6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684B6

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3684B6	#FFFFFF	#000000	##000000
##3684B6	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D84B8

Deuteranopia (green-blind)

#5B78B5

Tritanopia (blue-blind)

#009095

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3684b6;
/* rgb */ color: rgb(54, 132, 182);
/* oklch */ color: oklch(58.8% 0.108 240.4);

Tailwind

colors: {
  custom: {
    50: '#7ca7cc',
    500: '#3684b6',
    950: '#000000',
  },
}

SCSS

$custom: #3684b6;
$custom-light: #7ca7cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3684b6",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 182
  },
  "hsl": {
    "h": 203.438,
    "s": 54.237,
    "l": 46.275
  },
  "oklch": {
    "l": 0.58759,
    "c": 0.10773,
    "h": 240.4
  },
  "luminance": 0.20664
}

Semantic roles & 50–950 ramp

primary

#3684B6

secondary

#C69C81

accent

#844ADE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3684B6

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

Preview Lab → · Contrast checker → · Palette generator →