#3180C4#3180C4
#3180C4 is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.4% C 0.129 H 248.2°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).
Color values
| HEX | #3180C4 |
|---|---|
| RGB | rgb(49, 128, 196) |
| HSL | hsl(208, 60%, 48%) |
| HSV | hsv(208, 75%, 77%) |
| CMYK | cmyk(75%, 34.7%, 0%, 23.1%) |
| CIE-LAB | lab(51.92, -0.69, -42.26) |
| CIE-LCH | lch(51.92, 42.27, 269.07°) |
| OKLab | oklab(58.42% -0.048 -0.1201) |
| OKLCH | oklch(58.42% 0.129 248.2) |
| XYZ | xyz(18.9458, 20.0746, 55.0901) |
| Luminance | 0.2008 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.39
Cool Blue
#4984B8
ΔE00 2.55
Cerulean (survey)
#0485D1
ΔE00 2.76
Windows Blue
#3778BF
ΔE00 3.39
Water Blue
#0E87CC
ΔE00 3.59
Bluish
#2976BB
ΔE00 3.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3180C4 #C47531
analogous
#31C4BE #3180C4 #3137C4
triadic
#3180C4 #C43180 #80C431
tetradic
#3180C4 #BE31C4 #C47531 #37C431
square
#3180C4 #BE31C4 #C47531 #37C431
split-complementary
#3180C4 #C43137 #C4BE31
monochromatic
#194062 #256093 #3180C4 #5C9ED6 #8DBBE2
Accessibility & contrast
On white
4.19
#3180C4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.02
#3180C4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3180C4
5.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3180C4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3180C4 | 1.00 | 4.19 | 5.02 | 5.02 |
| #FFFFFF | 4.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.02 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.02 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6183C7
Deuteranopia (green-blind)
#4B76C3
Tritanopia (blue-blind)
#009099
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #3180c4; /* rgb */ color: rgb(49, 128, 196); /* oklch */ color: oklch(58.4% 0.129 248.2);
Tailwind
colors: {
custom: {
50: '#7da4d6',
500: '#3180c4',
950: '#000000',
},
}SCSS
$custom: #3180c4; $custom-light: #7da4d6; $custom-dark: #000000;
JSON
{
"hex": "#3180c4",
"rgb": {
"r": 49,
"g": 128,
"b": 196
},
"hsl": {
"h": 207.755,
"s": 60,
"l": 48.039
},
"oklch": {
"l": 0.58422,
"c": 0.12937,
"h": 248.2
},
"luminance": 0.20077
}Semantic roles & 50–950 ramp
primary
#3180C4
secondary
#CDA684
accent
#8E45E3
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83