#3187C7#3187C7
#3187C7 is a mid, vivid cyan. Relative luminance 0.221; OKLCH L 60.2% C 0.127 H 245.0°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).
Color values
| HEX | #3187C7 |
|---|---|
| RGB | rgb(49, 135, 199) |
| HSL | hsl(206, 60%, 49%) |
| HSV | hsv(206, 75%, 78%) |
| CMYK | cmyk(75.4%, 32.2%, 0%, 22%) |
| CIE-LAB | lab(54.14, -3.75, -40.47) |
| CIE-LCH | lch(54.14, 40.65, 264.71°) |
| OKLab | oklab(60.22% -0.0536 -0.1148) |
| OKLCH | oklch(60.22% 0.127 245) |
| XYZ | xyz(20.2354, 22.1021, 57.2214) |
| Luminance | 0.2210 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 1.56
Cerulean (survey)
#0485D1
ΔE00 1.61
Cool Blue
#4984B8
ΔE00 2.74
Steel Blue
#4682B4
ΔE00 3.03
Off Blue
#5684AE
ΔE00 4.68
Dusty Blue
#5A86AD
ΔE00 5.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3187C7 #C77131
analogous
#31C7BC #3187C7 #313CC7
triadic
#3187C7 #C73187 #87C731
tetradic
#3187C7 #BC31C7 #C77131 #3CC731
square
#3187C7 #BC31C7 #C77131 #3CC731
split-complementary
#3187C7 #C7313C #C7BC31
monochromatic
#194465 #256696 #3187C7 #5EA4D7 #8FBFE3
Accessibility & contrast
On white
3.87
#3187C7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.42
#3187C7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3187C7
5.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3187C7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3187C7 | 1.00 | 3.87 | 5.42 | 5.42 |
| #FFFFFF | 3.87 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.42 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.42 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A89CA
Deuteranopia (green-blind)
#547BC6
Tritanopia (blue-blind)
#00979E
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #3187c7; /* rgb */ color: rgb(49, 135, 199); /* oklch */ color: oklch(60.2% 0.127 245.0);
Tailwind
colors: {
custom: {
50: '#7ea9d8',
500: '#3187c7',
950: '#000000',
},
}SCSS
$custom: #3187c7; $custom-light: #7ea9d8; $custom-dark: #000000;
JSON
{
"hex": "#3187c7",
"rgb": {
"r": 49,
"g": 135,
"b": 199
},
"hsl": {
"h": 205.6,
"s": 60.484,
"l": 48.627
},
"oklch": {
"l": 0.60215,
"c": 0.12673,
"h": 245
},
"luminance": 0.22104
}Semantic roles & 50–950 ramp
primary
#3187C7
secondary
#CEA586
accent
#8844E4
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83