#166F88#166F88
#166F88 is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.4% C 0.087 H 222.2°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).
Color values
| HEX | #166F88 |
|---|---|
| RGB | rgb(22, 111, 136) |
| HSL | hsl(193, 72%, 31%) |
| HSV | hsv(193, 84%, 53%) |
| CMYK | cmyk(83.8%, 18.4%, 0%, 46.7%) |
| CIE-LAB | lab(43.24, -15.74, -20.84) |
| CIE-LCH | lch(43.24, 26.11, 232.94°) |
| OKLab | oklab(50.42% -0.0644 -0.0584) |
| OKLCH | oklch(50.42% 0.087 222.2) |
| XYZ | xyz(10.4574, 13.3157, 25.3068) |
| Luminance | 0.1332 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sea Blue
#047495
ΔE00 3.06
Ocean
#017B92
ΔE00 4.65
Ocean Blue (survey)
#03719C
ΔE00 6.02
Cerulean
#007BA7
ΔE00 7.28
Ugly Blue
#31668A
ΔE00 7.71
Peacock Blue
#016795
ΔE00 7.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#166F88 #882F16
analogous
#168868 #166F88 #163688
triadic
#166F88 #88166F #6F8816
tetradic
#166F88 #681688 #882F16 #368816
square
#166F88 #681688 #882F16 #368816
split-complementary
#166F88 #881636 #886816
monochromatic
#05191F #0D4453 #166F88 #1F9ABD #39BBDF
Accessibility & contrast
On white
5.73
#166F88 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.66
#166F88 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #166F88
5.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##166F88 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##166F88 | 1.00 | 5.73 | 3.66 | 5.73 |
| #FFFFFF | 5.73 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.73 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#606C89
Deuteranopia (green-blind)
#526188
Tritanopia (blue-blind)
#007777
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #166f88; /* rgb */ color: rgb(22, 111, 136); /* oklch */ color: oklch(50.4% 0.087 222.2);
Tailwind
colors: {
custom: {
50: '#6998aa',
500: '#166f88',
950: '#000000',
},
}SCSS
$custom: #166f88; $custom-light: #6998aa; $custom-dark: #000000;
JSON
{
"hex": "#166f88",
"rgb": {
"r": 22,
"g": 111,
"b": 136
},
"hsl": {
"h": 193.158,
"s": 72.152,
"l": 30.98
},
"oklch": {
"l": 0.50417,
"c": 0.08692,
"h": 222.2
},
"luminance": 0.13317
}Semantic roles & 50–950 ramp
primary
#166F88
secondary
#BC593E
accent
#6139EF
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#070D10
muted
#7A7E7F