#3685C3#3685C3
#3685C3 is a mid, vivid cyan. Relative luminance 0.215; OKLCH L 59.7% C 0.122 H 245.7°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).
Color values
| HEX | #3685C3 |
|---|---|
| RGB | rgb(54, 133, 195) |
| HSL | hsl(206, 57%, 49%) |
| HSV | hsv(206, 72%, 76%) |
| CMYK | cmyk(72.3%, 31.8%, 0%, 23.5%) |
| CIE-LAB | lab(53.49, -3.35, -39.21) |
| CIE-LCH | lch(53.49, 39.35, 265.12°) |
| OKLab | oklab(59.68% -0.0501 -0.1111) |
| OKLCH | oklch(59.68% 0.122 245.7) |
| XYZ | xyz(19.7554, 21.4972, 54.7274) |
| Luminance | 0.2150 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean (survey)
#0485D1
ΔE00 1.92
Cool Blue
#4984B8
ΔE00 2.06
Water Blue
#0E87CC
ΔE00 2.17
Steel Blue
#4682B4
ΔE00 2.26
Off Blue
#5684AE
ΔE00 4.10
Dusty Blue
#5A86AD
ΔE00 4.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3685C3 #C37436
analogous
#36C3BB #3685C3 #363FC3
triadic
#3685C3 #C33685 #85C336
tetradic
#3685C3 #BB36C3 #C37436 #3FC336
square
#3685C3 #BB36C3 #C37436 #3FC336
split-complementary
#3685C3 #C3363F #C3BB36
monochromatic
#1B4463 #296493 #3685C3 #63A2D4 #92BEE1
Accessibility & contrast
On white
3.96
#3685C3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.30
#3685C3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3685C3
5.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3685C3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3685C3 | 1.00 | 3.96 | 5.30 | 5.30 |
| #FFFFFF | 3.96 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.30 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.30 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6987C6
Deuteranopia (green-blind)
#557AC2
Tritanopia (blue-blind)
#00949B
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #3685c3; /* rgb */ color: rgb(54, 133, 195); /* oklch */ color: oklch(59.7% 0.122 245.7);
Tailwind
colors: {
custom: {
50: '#7fa8d5',
500: '#3685c3',
950: '#000000',
},
}SCSS
$custom: #3685c3; $custom-light: #7fa8d5; $custom-dark: #000000;
JSON
{
"hex": "#3685c3",
"rgb": {
"r": 54,
"g": 133,
"b": 195
},
"hsl": {
"h": 206.383,
"s": 56.627,
"l": 48.824
},
"oklch": {
"l": 0.59681,
"c": 0.12189,
"h": 245.7
},
"luminance": 0.21499
}Semantic roles & 50–950 ramp
primary
#3685C3
secondary
#CCA689
accent
#8B48E0
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83