#3685B6#3685B6
#3685B6 is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 59.0% C 0.107 H 239.6°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).
Color values
| HEX | #3685B6 |
|---|---|
| RGB | rgb(54, 133, 182) |
| HSL | hsl(203, 54%, 46%) |
| HSV | hsv(203, 70%, 71%) |
| CMYK | cmyk(70.3%, 26.9%, 0%, 28.6%) |
| CIE-LAB | lab(52.88, -7.91, -32.74) |
| CIE-LCH | lch(52.88, 33.68, 256.41°) |
| OKLab | oklab(59% -0.0542 -0.0923) |
| OKLCH | oklch(59% 0.107 239.6) |
| XYZ | xyz(18.3491, 20.9347, 47.3207) |
| Luminance | 0.2094 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.83
Water Blue
#0E87CC
ΔE00 3.08
Cool Blue
#4984B8
ΔE00 3.23
Cerulean (survey)
#0485D1
ΔE00 3.79
Off Blue
#5684AE
ΔE00 4.39
Nice Blue
#107AB0
ΔE00 4.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3685B6 #B66736
analogous
#36B6A7 #3685B6 #3645B6
triadic
#3685B6 #B63685 #85B636
tetradic
#3685B6 #A736B6 #B66736 #45B636
square
#3685B6 #A736B6 #B66736 #45B636
split-complementary
#3685B6 #B63645 #B6A736
monochromatic
#1A4058 #286387 #3685B6 #5BA2CE #8ABDDC
Accessibility & contrast
On white
4.05
#3685B6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.19
#3685B6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3685B6
5.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3685B6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3685B6 | 1.00 | 4.05 | 5.19 | 5.19 |
| #FFFFFF | 4.05 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.19 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.19 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E85B8
Deuteranopia (green-blind)
#5D79B5
Tritanopia (blue-blind)
#009196
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #3685b6; /* rgb */ color: rgb(54, 133, 182); /* oklch */ color: oklch(59.0% 0.107 239.6);
Tailwind
colors: {
custom: {
50: '#7ca8cc',
500: '#3685b6',
950: '#000000',
},
}SCSS
$custom: #3685b6; $custom-light: #7ca8cc; $custom-dark: #000000;
JSON
{
"hex": "#3685b6",
"rgb": {
"r": 54,
"g": 133,
"b": 182
},
"hsl": {
"h": 202.969,
"s": 54.237,
"l": 46.275
},
"oklch": {
"l": 0.58997,
"c": 0.10705,
"h": 239.6
},
"luminance": 0.20937
}Semantic roles & 50–950 ramp
primary
#3685B6
secondary
#C69C81
accent
#834ADE
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82