#3684A4#3684A4

#3684A4 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 57.9% C 0.090 H 228.5°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#3684A4
RGB	rgb(54, 132, 164)
HSL	hsl(197, 50%, 43%)
HSV	hsv(197, 67%, 64%)
CMYK	cmyk(67.1%, 19.5%, 0%, 35.7%)
CIE-LAB	lab(51.80, -13.47, -24.04)
CIE-LCH	lch(51.80, 27.56, 240.73°)
OKLab	oklab(57.88% -0.0596 -0.0673)
OKLCH	oklch(57.88% 0.09 228.5)
XYZ	xyz(16.4708, 19.9654, 38.1004)
Luminance	0.1997 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3684A4 #A45636

analogous

#36A48D #3684A4 #364DA4

triadic

#3684A4 #A43684 #84A436

tetradic

#3684A4 #8D36A4 #A45636 #4DA436

square

#3684A4 #8D36A4 #A45636 #4DA436

split-complementary

#3684A4 #A4364D #A48D36

monochromatic

#183A48 #275F76 #3684A4 #51A4C6 #7FBCD5

Accessibility & contrast

On white

4.21

#3684A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#3684A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684A4

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3684A4	#FFFFFF	#000000	##000000
##3684A4	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7382A6

Deuteranopia (green-blind)

#6477A4

Tritanopia (blue-blind)

#008D8E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3684a4;
/* rgb */ color: rgb(54, 132, 164);
/* oklch */ color: oklch(57.9% 0.090 228.5);

Tailwind

colors: {
  custom: {
    50: '#7aa7bf',
    500: '#3684a4',
    950: '#000000',
  },
}

SCSS

$custom: #3684a4;
$custom-light: #7aa7bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3684a4",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 164
  },
  "hsl": {
    "h": 197.455,
    "s": 50.459,
    "l": 42.745
  },
  "oklch": {
    "l": 0.57881,
    "c": 0.08986,
    "h": 228.5
  },
  "luminance": 0.19967
}

Semantic roles & 50–950 ramp

primary

#3684A4

secondary

#BE8C78

accent

#774EDA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3684A4

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

Preview Lab → · Contrast checker → · Palette generator →