#3683C2#3683C2
#3683C2 is a mid, vivid cyan. Relative luminance 0.209; OKLCH L 59.2% C 0.122 H 246.7°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).
Color values
| HEX | #3683C2 |
|---|---|
| RGB | rgb(54, 131, 194) |
| HSL | hsl(207, 56%, 49%) |
| HSV | hsv(207, 72%, 76%) |
| CMYK | cmyk(72.2%, 32.5%, 0%, 23.9%) |
| CIE-LAB | lab(52.85, -2.52, -39.64) |
| CIE-LCH | lch(52.85, 39.72, 266.36°) |
| OKLab | oklab(59.16% -0.0485 -0.1124) |
| OKLCH | oklch(59.16% 0.122 246.7) |
| XYZ | xyz(19.3715, 20.9097, 54.0435) |
| Luminance | 0.2091 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 1.92
Steel Blue
#4682B4
ΔE00 1.97
Cerulean (survey)
#0485D1
ΔE00 2.19
Water Blue
#0E87CC
ΔE00 2.71
Off Blue
#5684AE
ΔE00 4.00
Windows Blue
#3778BF
ΔE00 4.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3683C2 #C27536
analogous
#36C2BB #3683C2 #363DC2
triadic
#3683C2 #C23683 #83C236
tetradic
#3683C2 #BB36C2 #C27536 #3DC236
square
#3683C2 #BB36C2 #C27536 #3DC236
split-complementary
#3683C2 #C2363D #C2BB36
monochromatic
#1B4262 #296392 #3683C2 #62A0D3 #92BDE1
Accessibility & contrast
On white
4.05
#3683C2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.18
#3683C2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3683C2
5.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3683C2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3683C2 | 1.00 | 4.05 | 5.18 | 5.18 |
| #FFFFFF | 4.05 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.18 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.18 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6685C5
Deuteranopia (green-blind)
#5378C1
Tritanopia (blue-blind)
#00929A
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #3683c2; /* rgb */ color: rgb(54, 131, 194); /* oklch */ color: oklch(59.2% 0.122 246.7);
Tailwind
colors: {
custom: {
50: '#7ea6d5',
500: '#3683c2',
950: '#000000',
},
}SCSS
$custom: #3683c2; $custom-light: #7ea6d5; $custom-dark: #000000;
JSON
{
"hex": "#3683c2",
"rgb": {
"r": 54,
"g": 131,
"b": 194
},
"hsl": {
"h": 207,
"s": 56.452,
"l": 48.627
},
"oklch": {
"l": 0.59161,
"c": 0.12242,
"h": 246.7
},
"luminance": 0.20912
}Semantic roles & 50–950 ramp
primary
#3683C2
secondary
#CCA788
accent
#8C48E0
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83