#3191B3#3191B3
#3191B3 is a mid, moderate cyan. Relative luminance 0.242; OKLCH L 61.6% C 0.101 H 225.9°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).
Color values
| HEX | #3191B3 |
|---|---|
| RGB | rgb(49, 145, 179) |
| HSL | hsl(196, 57%, 45%) |
| HSV | hsv(196, 73%, 70%) |
| CMYK | cmyk(72.6%, 19%, 0%, 29.8%) |
| CIE-LAB | lab(56.24, -16.37, -25.81) |
| CIE-LCH | lch(56.24, 30.56, 237.61°) |
| OKLab | oklab(61.6% -0.0701 -0.0723) |
| OKLCH | oklch(61.6% 0.101 225.9) |
| XYZ | xyz(19.5254, 24.1562, 46.2726) |
| Luminance | 0.2416 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 5.57
Teal Blue
#01889F
ΔE00 6.16
Dusty Blue
#5A86AD
ΔE00 8.66
Cerulean
#007BA7
ΔE00 8.72
Off Blue
#5684AE
ΔE00 9.14
Steel Blue
#4682B4
ΔE00 9.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3191B3 #B35331
analogous
#31B394 #3191B3 #3150B3
triadic
#3191B3 #B33191 #91B331
tetradic
#3191B3 #9431B3 #B35331 #50B331
square
#3191B3 #9431B3 #B35331 #50B331
split-complementary
#3191B3 #B33150 #B39431
monochromatic
#174353 #246A83 #3191B3 #52AFD0 #82C5DD
Accessibility & contrast
On white
3.60
#3191B3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.83
#3191B3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3191B3
5.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3191B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3191B3 | 1.00 | 3.60 | 5.83 | 5.83 |
| #FFFFFF | 3.60 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.83 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.83 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7E8EB5
Deuteranopia (green-blind)
#6D81B3
Tritanopia (blue-blind)
#009B9C
Achromatopsia (no color)
#878787
Design tokens & code
CSS
--color: #3191b3; /* rgb */ color: rgb(49, 145, 179); /* oklch */ color: oklch(61.6% 0.101 225.9);
Tailwind
colors: {
custom: {
50: '#7bb1c9',
500: '#3191b3',
950: '#000000',
},
}SCSS
$custom: #3191b3; $custom-light: #7bb1c9; $custom-dark: #000000;
JSON
{
"hex": "#3191b3",
"rgb": {
"r": 49,
"g": 145,
"b": 179
},
"hsl": {
"h": 195.692,
"s": 57.018,
"l": 44.706
},
"oklch": {
"l": 0.61597,
"c": 0.10072,
"h": 225.9
},
"luminance": 0.24158
}Semantic roles & 50–950 ramp
primary
#3191B3
secondary
#C68E7A
accent
#6F48E0
background
#F8FAFC
surface
#EFF5F8
border
#CACFD1
text
#0B1013
muted
#7C7F82