#3186B5#3186B5
#3186B5 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.0% C 0.107 H 237.1°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).
Color values
| HEX | #3186B5 |
|---|---|
| RGB | rgb(49, 134, 181) |
| HSL | hsl(201, 57%, 45%) |
| HSV | hsv(201, 73%, 71%) |
| CMYK | cmyk(72.9%, 26%, 0%, 29%) |
| CIE-LAB | lab(52.99, -9.56, -32.00) |
| CIE-LCH | lch(52.99, 33.40, 253.37°) |
| OKLab | oklab(59.03% -0.0584 -0.0902) |
| OKLCH | oklch(59.03% 0.107 237.1) |
| XYZ | xyz(18.1289, 21.0373, 46.8123) |
| Luminance | 0.2104 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 3.72
Steel Blue
#4682B4
ΔE00 3.85
Cool Blue
#4984B8
ΔE00 4.25
Cerulean (survey)
#0485D1
ΔE00 4.64
Nice Blue
#107AB0
ΔE00 4.80
Cerulean
#007BA7
ΔE00 5.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3186B5 #B56031
analogous
#31B5A2 #3186B5 #3144B5
triadic
#3186B5 #B53186 #86B531
tetradic
#3186B5 #A231B5 #B56031 #44B531
square
#3186B5 #A231B5 #B56031 #44B531
split-complementary
#3186B5 #B53144 #B5A231
monochromatic
#173F55 #246285 #3186B5 #53A4D0 #83BDDD
Accessibility & contrast
On white
4.03
#3186B5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.21
#3186B5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3186B5
5.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3186B5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3186B5 | 1.00 | 4.03 | 5.21 | 5.21 |
| #FFFFFF | 4.03 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.21 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.21 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7086B7
Deuteranopia (green-blind)
#5E79B4
Tritanopia (blue-blind)
#009296
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #3186b5; /* rgb */ color: rgb(49, 134, 181); /* oklch */ color: oklch(59.0% 0.107 237.1);
Tailwind
colors: {
custom: {
50: '#7aa9cb',
500: '#3186b5',
950: '#000000',
},
}SCSS
$custom: #3186b5; $custom-light: #7aa9cb; $custom-dark: #000000;
JSON
{
"hex": "#3186b5",
"rgb": {
"r": 49,
"g": 134,
"b": 181
},
"hsl": {
"h": 201.364,
"s": 57.391,
"l": 45.098
},
"oklch": {
"l": 0.5903,
"c": 0.10744,
"h": 237.1
},
"luminance": 0.21039
}Semantic roles & 50–950 ramp
primary
#3186B5
secondary
#C7967B
accent
#7E47E1
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82