#177A8B#177A8B
#177A8B is a mid, moderate teal. Relative luminance 0.160; OKLCH L 53.4% C 0.088 H 212.7°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).
Color values
| HEX | #177A8B |
|---|---|
| RGB | rgb(23, 122, 139) |
| HSL | hsl(189, 72%, 32%) |
| HSV | hsv(189, 83%, 55%) |
| CMYK | cmyk(83.5%, 12.2%, 0%, 45.5%) |
| CIE-LAB | lab(46.93, -20.61, -16.96) |
| CIE-LCH | lch(46.93, 26.69, 219.45°) |
| OKLab | oklab(53.43% -0.0738 -0.0473) |
| OKLCH | oklch(53.43% 0.088 212.7) |
| XYZ | xyz(11.9711, 15.9638, 26.8715) |
| Luminance | 0.1596 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Ocean
#017B92
ΔE00 2.12
Deep Aqua
#08787F
ΔE00 4.62
Teal Blue
#01889F
ΔE00 5.44
Sea Blue
#047495
ΔE00 6.45
Dirty Blue
#3F829D
ΔE00 7.14
Deep Turquoise
#017374
ΔE00 7.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#177A8B #8B2817
analogous
#178B62 #177A8B #17408B
triadic
#177A8B #8B177A #7A8B17
tetradic
#177A8B #62178B #8B2817 #408B17
square
#177A8B #62178B #8B2817 #408B17
split-complementary
#177A8B #8B1740 #8B6217
monochromatic
#061E22 #0E4C56 #177A8B #20A8C0 #3DC7DF
Accessibility & contrast
On white
5.01
#177A8B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.19
#177A8B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #177A8B
5.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##177A8B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##177A8B | 1.00 | 5.01 | 4.19 | 5.01 |
| #FFFFFF | 5.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6D768C
Deuteranopia (green-blind)
#5E6A8B
Tritanopia (blue-blind)
#00817F
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #177a8b; /* rgb */ color: rgb(23, 122, 139); /* oklch */ color: oklch(53.4% 0.088 212.7);
Tailwind
colors: {
custom: {
50: '#6ba0ad',
500: '#177a8b',
950: '#000000',
},
}SCSS
$custom: #177a8b; $custom-light: #6ba0ad; $custom-dark: #000000;
JSON
{
"hex": "#177a8b",
"rgb": {
"r": 23,
"g": 122,
"b": 139
},
"hsl": {
"h": 188.793,
"s": 71.605,
"l": 31.765
},
"oklch": {
"l": 0.53434,
"c": 0.08768,
"h": 212.7
},
"luminance": 0.15965
}Semantic roles & 50–950 ramp
primary
#177A8B
secondary
#BF523F
accent
#5439EE
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080F10
muted
#7B7E7F