#3684C3#3684C3
#3684C3 is a mid, vivid cyan. Relative luminance 0.212; OKLCH L 59.4% C 0.123 H 246.4°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).
Color values
| HEX | #3684C3 |
|---|---|
| RGB | rgb(54, 132, 195) |
| HSL | hsl(207, 57%, 49%) |
| HSV | hsv(207, 72%, 76%) |
| CMYK | cmyk(72.3%, 32.3%, 0%, 23.5%) |
| CIE-LAB | lab(53.19, -2.76, -39.67) |
| CIE-LCH | lch(53.19, 39.77, 266.02°) |
| OKLab | oklab(59.45% -0.0492 -0.1125) |
| OKLCH | oklch(59.45% 0.123 246.4) |
| XYZ | xyz(19.6192, 21.2247, 54.6820) |
| Luminance | 0.2123 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 1.96
Cerulean (survey)
#0485D1
ΔE00 2.02
Steel Blue
#4682B4
ΔE00 2.12
Water Blue
#0E87CC
ΔE00 2.46
Off Blue
#5684AE
ΔE00 4.05
Dusty Blue
#5A86AD
ΔE00 4.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3684C3 #C37536
analogous
#36C3BC #3684C3 #363DC3
triadic
#3684C3 #C33684 #84C336
tetradic
#3684C3 #BC36C3 #C37536 #3DC336
square
#3684C3 #BC36C3 #C37536 #3DC336
split-complementary
#3684C3 #C3363D #C3BC36
monochromatic
#1B4363 #296493 #3684C3 #63A1D4 #92BEE1
Accessibility & contrast
On white
4.00
#3684C3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.25
#3684C3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3684C3
5.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3684C3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3684C3 | 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)
#6786C6
Deuteranopia (green-blind)
#5479C2
Tritanopia (blue-blind)
#00939B
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #3684c3; /* rgb */ color: rgb(54, 132, 195); /* oklch */ color: oklch(59.4% 0.123 246.4);
Tailwind
colors: {
custom: {
50: '#7fa7d5',
500: '#3684c3',
950: '#000000',
},
}SCSS
$custom: #3684c3; $custom-light: #7fa7d5; $custom-dark: #000000;
JSON
{
"hex": "#3684c3",
"rgb": {
"r": 54,
"g": 132,
"b": 195
},
"hsl": {
"h": 206.809,
"s": 56.627,
"l": 48.824
},
"oklch": {
"l": 0.59449,
"c": 0.12275,
"h": 246.4
},
"luminance": 0.21227
}Semantic roles & 50–950 ramp
primary
#3684C3
secondary
#CCA789
accent
#8C48E0
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83