#3188AF#3188AF
#3188AF is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.2% C 0.101 H 231.5°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).
Color values
| HEX | #3188AF |
|---|---|
| RGB | rgb(49, 136, 175) |
| HSL | hsl(199, 56%, 44%) |
| HSV | hsv(199, 72%, 69%) |
| CMYK | cmyk(72%, 22.3%, 0%, 31.4%) |
| CIE-LAB | lab(53.34, -12.76, -28.02) |
| CIE-LCH | lch(53.34, 30.79, 245.51°) |
| OKLab | oklab(59.22% -0.0625 -0.0787) |
| OKLCH | oklch(59.22% 0.101 231.5) |
| XYZ | xyz(17.8056, 21.3544, 43.7325) |
| Luminance | 0.2136 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 3.92
Cerulean
#007BA7
ΔE00 5.30
Steel Blue
#4682B4
ΔE00 5.97
Water Blue
#0E87CC
ΔE00 6.29
Cool Blue
#4984B8
ΔE00 6.37
Nice Blue
#107AB0
ΔE00 6.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3188AF #AF5831
analogous
#31AF97 #3188AF #3149AF
triadic
#3188AF #AF3188 #88AF31
tetradic
#3188AF #9731AF #AF5831 #49AF31
square
#3188AF #9731AF #AF5831 #49AF31
split-complementary
#3188AF #AF3149 #AF9731
monochromatic
#163E4F #24637F #3188AF #4FA7CE #7FBFDB
Accessibility & contrast
On white
3.98
#3188AF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.27
#3188AF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3188AF
5.27:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3188AF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3188AF | 1.00 | 3.98 | 5.27 | 5.27 |
| #FFFFFF | 3.98 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.27 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.27 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7486B1
Deuteranopia (green-blind)
#637AAE
Tritanopia (blue-blind)
#009395
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #3188af; /* rgb */ color: rgb(49, 136, 175); /* oklch */ color: oklch(59.2% 0.101 231.5);
Tailwind
colors: {
custom: {
50: '#7aaac7',
500: '#3188af',
950: '#000000',
},
}SCSS
$custom: #3188af; $custom-light: #7aaac7; $custom-dark: #000000;
JSON
{
"hex": "#3188af",
"rgb": {
"r": 49,
"g": 136,
"b": 175
},
"hsl": {
"h": 198.571,
"s": 56.25,
"l": 43.922
},
"oklch": {
"l": 0.59218,
"c": 0.1005,
"h": 231.5
},
"luminance": 0.21356
}Semantic roles & 50–950 ramp
primary
#3188AF
secondary
#C48F78
accent
#7748E0
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A1013
muted
#7C7F82