#3684C4#3684C4

#3684C4 is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.5% C 0.124 H 246.8°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3684C4
RGB	rgb(54, 132, 196)
HSL	hsl(207, 57%, 49%)
HSV	hsv(207, 72%, 77%)
CMYK	cmyk(72.4%, 32.7%, 0%, 23.1%)
CIE-LAB	lab(53.24, -2.40, -40.16)
CIE-LCH	lch(53.24, 40.24, 266.58°)
OKLab	oklab(59.5% -0.0489 -0.1139)
OKLCH	oklch(59.5% 0.124 246.8)
XYZ	xyz(19.7326, 21.2701, 55.2794)
Luminance	0.2127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3684C4 #C47636

analogous

#36C4BD #3684C4 #363DC4

triadic

#3684C4 #C43684 #84C436

tetradic

#3684C4 #BD36C4 #C47636 #3DC436

square

#3684C4 #BD36C4 #C47636 #3DC436

split-complementary

#3684C4 #C4363D #C4BD36

monochromatic

#1C4364 #296494 #3684C4 #63A1D4 #93BEE1

Accessibility & contrast

On white

4.00

#3684C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#3684C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684C4

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3684C4	#FFFFFF	#000000	##000000
##3684C4	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6787C7

Deuteranopia (green-blind)

#5379C3

Tritanopia (blue-blind)

#00939B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3684c4;
/* rgb */ color: rgb(54, 132, 196);
/* oklch */ color: oklch(59.5% 0.124 246.8);

Tailwind

colors: {
  custom: {
    50: '#7fa7d6',
    500: '#3684c4',
    950: '#000000',
  },
}

SCSS

$custom: #3684c4;
$custom-light: #7fa7d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3684c4",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 196
  },
  "hsl": {
    "h": 207.042,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.59503,
    "c": 0.12395,
    "h": 246.8
  },
  "luminance": 0.21272
}

Semantic roles & 50–950 ramp

primary

#3684C4

secondary

#CCA889

accent

#8C48E0

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3684C4

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

Preview Lab → · Contrast checker → · Palette generator →