#3681C2#3681C2
#3681C2 is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 58.7% C 0.124 H 248.0°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).
Color values
| HEX | #3681C2 |
|---|---|
| RGB | rgb(54, 129, 194) |
| HSL | hsl(208, 56%, 49%) |
| HSV | hsv(208, 72%, 76%) |
| CMYK | cmyk(72.2%, 33.5%, 0%, 23.9%) |
| CIE-LAB | lab(52.26, -1.34, -40.57) |
| CIE-LCH | lch(52.26, 40.60, 268.11°) |
| OKLab | oklab(58.7% -0.0466 -0.1151) |
| OKLCH | oklch(58.7% 0.124 248) |
| XYZ | xyz(19.1055, 20.3777, 53.9549) |
| Luminance | 0.2038 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.02
Cool Blue
#4984B8
ΔE00 2.10
Cerulean (survey)
#0485D1
ΔE00 2.73
Water Blue
#0E87CC
ΔE00 3.44
Windows Blue
#3778BF
ΔE00 3.64
Off Blue
#5684AE
ΔE00 4.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3681C2 #C27736
analogous
#36C2BD #3681C2 #363BC2
triadic
#3681C2 #C23681 #81C236
tetradic
#3681C2 #BD36C2 #C27736 #3BC236
square
#3681C2 #BD36C2 #C27736 #3BC236
split-complementary
#3681C2 #C2363B #C2BD36
monochromatic
#1B4162 #296192 #3681C2 #629FD3 #92BCE1
Accessibility & contrast
On white
4.14
#3681C2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.08
#3681C2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3681C2
5.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3681C2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3681C2 | 1.00 | 4.14 | 5.08 | 5.08 |
| #FFFFFF | 4.14 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.08 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.08 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6484C5
Deuteranopia (green-blind)
#5077C1
Tritanopia (blue-blind)
#009198
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #3681c2; /* rgb */ color: rgb(54, 129, 194); /* oklch */ color: oklch(58.7% 0.124 248.0);
Tailwind
colors: {
custom: {
50: '#7ea5d5',
500: '#3681c2',
950: '#000000',
},
}SCSS
$custom: #3681c2; $custom-light: #7ea5d5; $custom-dark: #000000;
JSON
{
"hex": "#3681c2",
"rgb": {
"r": 54,
"g": 129,
"b": 194
},
"hsl": {
"h": 207.857,
"s": 56.452,
"l": 48.627
},
"oklch": {
"l": 0.58698,
"c": 0.1242,
"h": 248
},
"luminance": 0.2038
}Semantic roles & 50–950 ramp
primary
#3681C2
secondary
#CCA788
accent
#8E48E0
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83