#3187C0#3187C0
#3187C0 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.8% C 0.119 H 242.0°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).
Color values
| HEX | #3187C0 |
|---|---|
| RGB | rgb(49, 135, 192) |
| HSL | hsl(204, 59%, 47%) |
| HSV | hsv(204, 74%, 75%) |
| CMYK | cmyk(74.5%, 29.7%, 0%, 24.7%) |
| CIE-LAB | lab(53.80, -6.25, -37.02) |
| CIE-LCH | lch(53.80, 37.55, 260.42°) |
| OKLab | oklab(59.84% -0.0558 -0.1048) |
| OKLCH | oklch(59.84% 0.119 242) |
| XYZ | xyz(19.4413, 21.7844, 53.0391) |
| Luminance | 0.2179 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 1.65
Cerulean (survey)
#0485D1
ΔE00 2.42
Cool Blue
#4984B8
ΔE00 3.02
Steel Blue
#4682B4
ΔE00 3.02
Off Blue
#5684AE
ΔE00 4.68
Dusty Blue
#5A86AD
ΔE00 5.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3187C0 #C06A31
analogous
#31C0B2 #3187C0 #3140C0
triadic
#3187C0 #C03187 #87C031
tetradic
#3187C0 #B231C0 #C06A31 #40C031
square
#3187C0 #B231C0 #C06A31 #40C031
split-complementary
#3187C0 #C03140 #C0B231
monochromatic
#18425E #25658F #3187C0 #59A4D5 #8ABFE1
Accessibility & contrast
On white
3.92
#3187C0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.36
#3187C0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3187C0
5.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3187C0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3187C0 | 1.00 | 3.92 | 5.36 | 5.36 |
| #FFFFFF | 3.92 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.36 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.36 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6D88C3
Deuteranopia (green-blind)
#597BBF
Tritanopia (blue-blind)
#00959B
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #3187c0; /* rgb */ color: rgb(49, 135, 192); /* oklch */ color: oklch(59.8% 0.119 242.0);
Tailwind
colors: {
custom: {
50: '#7ca9d3',
500: '#3187c0',
950: '#000000',
},
}SCSS
$custom: #3187c0; $custom-light: #7ca9d3; $custom-dark: #000000;
JSON
{
"hex": "#3187c0",
"rgb": {
"r": 49,
"g": 135,
"b": 192
},
"hsl": {
"h": 203.916,
"s": 59.336,
"l": 47.255
},
"oklch": {
"l": 0.59837,
"c": 0.11868,
"h": 242
},
"luminance": 0.21787
}Semantic roles & 50–950 ramp
primary
#3187C0
secondary
#CB9F82
accent
#8445E3
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F14
muted
#7C7F82