#3186B0#3186B0
#3186B0 is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 58.8% C 0.102 H 234.0°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).
Color values
| HEX | #3186B0 |
|---|---|
| RGB | rgb(49, 134, 176) |
| HSL | hsl(200, 56%, 44%) |
| HSV | hsv(200, 72%, 69%) |
| CMYK | cmyk(72.2%, 23.9%, 0%, 31%) |
| CIE-LAB | lab(52.77, -11.30, -29.47) |
| CIE-LCH | lch(52.77, 31.56, 249.03°) |
| OKLab | oklab(58.78% -0.0601 -0.0829) |
| OKLCH | oklch(58.78% 0.102 234) |
| XYZ | xyz(17.6251, 20.8358, 44.1587) |
| Luminance | 0.2084 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 4.45
Cerulean
#007BA7
ΔE00 4.66
Steel Blue
#4682B4
ΔE00 4.88
Water Blue
#0E87CC
ΔE00 5.18
Nice Blue
#107AB0
ΔE00 5.28
Cool Blue
#4984B8
ΔE00 5.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3186B0 #B05B31
analogous
#31B09B #3186B0 #3146B0
triadic
#3186B0 #B03186 #86B031
tetradic
#3186B0 #9B31B0 #B05B31 #46B031
square
#3186B0 #9B31B0 #B05B31 #46B031
split-complementary
#3186B0 #B03146 #B09B31
monochromatic
#163D50 #246280 #3186B0 #50A4CE #80BDDC
Accessibility & contrast
On white
4.06
#3186B0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.17
#3186B0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3186B0
5.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3186B0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3186B0 | 1.00 | 4.06 | 5.17 | 5.17 |
| #FFFFFF | 4.06 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.17 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.17 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7185B2
Deuteranopia (green-blind)
#6079AF
Tritanopia (blue-blind)
#009194
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #3186b0; /* rgb */ color: rgb(49, 134, 176); /* oklch */ color: oklch(58.8% 0.102 234.0);
Tailwind
colors: {
custom: {
50: '#7aa9c7',
500: '#3186b0',
950: '#000000',
},
}SCSS
$custom: #3186b0; $custom-light: #7aa9c7; $custom-dark: #000000;
JSON
{
"hex": "#3186b0",
"rgb": {
"r": 49,
"g": 134,
"b": 176
},
"hsl": {
"h": 199.843,
"s": 56.444,
"l": 44.118
},
"oklch": {
"l": 0.58781,
"c": 0.10241,
"h": 234
},
"luminance": 0.20838
}Semantic roles & 50–950 ramp
primary
#3186B0
secondary
#C59178
accent
#7A48E0
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A0F13
muted
#7C7F82