#3187C5#3187C5
#3187C5 is a mid, vivid cyan. Relative luminance 0.220; OKLCH L 60.1% C 0.124 H 244.2°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).
Color values
| HEX | #3187C5 |
|---|---|
| RGB | rgb(49, 135, 197) |
| HSL | hsl(205, 60%, 48%) |
| HSV | hsv(205, 75%, 77%) |
| CMYK | cmyk(75.1%, 31.5%, 0%, 22.7%) |
| CIE-LAB | lab(54.04, -4.47, -39.49) |
| CIE-LCH | lch(54.04, 39.74, 263.55°) |
| OKLab | oklab(60.11% -0.0542 -0.1119) |
| OKLCH | oklch(60.11% 0.124 244.2) |
| XYZ | xyz(20.0047, 22.0098, 56.0065) |
| Luminance | 0.2201 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 1.44
Cerulean (survey)
#0485D1
ΔE00 1.74
Cool Blue
#4984B8
ΔE00 2.77
Steel Blue
#4682B4
ΔE00 2.98
Off Blue
#5684AE
ΔE00 4.66
Dusty Blue
#5A86AD
ΔE00 5.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3187C5 #C56F31
analogous
#31C5B9 #3187C5 #313DC5
triadic
#3187C5 #C53187 #87C531
tetradic
#3187C5 #B931C5 #C56F31 #3DC531
square
#3187C5 #B931C5 #C56F31 #3DC531
split-complementary
#3187C5 #C5313D #C5B931
monochromatic
#194463 #256594 #3187C5 #5DA3D7 #8EBFE3
Accessibility & contrast
On white
3.89
#3187C5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.40
#3187C5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3187C5
5.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3187C5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3187C5 | 1.00 | 3.89 | 5.40 | 5.40 |
| #FFFFFF | 3.89 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.40 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.40 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A89C8
Deuteranopia (green-blind)
#567BC4
Tritanopia (blue-blind)
#00969D
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #3187c5; /* rgb */ color: rgb(49, 135, 197); /* oklch */ color: oklch(60.1% 0.124 244.2);
Tailwind
colors: {
custom: {
50: '#7da9d7',
500: '#3187c5',
950: '#000000',
},
}SCSS
$custom: #3187c5; $custom-light: #7da9d7; $custom-dark: #000000;
JSON
{
"hex": "#3187c5",
"rgb": {
"r": 49,
"g": 135,
"b": 197
},
"hsl": {
"h": 205.135,
"s": 60.163,
"l": 48.235
},
"oklch": {
"l": 0.60105,
"c": 0.12439,
"h": 244.2
},
"luminance": 0.22012
}Semantic roles & 50–950 ramp
primary
#3187C5
secondary
#CDA385
accent
#8744E3
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83