#175A51#175A51
#175A51 is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.4% C 0.067 H 182.2°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).
Color values
| HEX | #175A51 |
|---|---|
| RGB | rgb(23, 90, 81) |
| HSL | hsl(172, 59%, 22%) |
| HSV | hsv(172, 74%, 35%) |
| CMYK | cmyk(74.4%, 0%, 10%, 64.7%) |
| CIE-LAB | lab(34.17, -22.91, -0.81) |
| CIE-LCH | lch(34.17, 22.92, 182.01°) |
| OKLab | oklab(42.41% -0.0669 -0.0025) |
| OKLCH | oklch(42.41% 0.067 182.2) |
| XYZ | xyz(5.4940, 8.0879, 9.0546) |
| Luminance | 0.0809 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Blue Green
#005249
ΔE00 2.86
Dark Green Blue
#1F6357
ΔE00 3.17
Dark Turquoise
#045C5A
ΔE00 3.38
Dark Teal
#014D4E
ΔE00 6.19
Deep Teal
#00555A
ΔE00 6.74
Dark Aqua
#05696B
ΔE00 7.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#175A51 #5A1720
analogous
#175A2F #175A51 #17425A
triadic
#175A51 #51175A #5A5117
tetradic
#175A51 #2F175A #5A1720 #425A17
square
#175A51 #2F175A #5A1720 #425A17
split-complementary
#175A51 #5A1742 #5A2F17
monochromatic
#061816 #0B2925 #175A51 #238B7D #30BBA9
Accessibility & contrast
On white
8.02
#175A51 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#175A51 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #175A51
8.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##175A51 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##175A51 | 1.00 | 8.02 | 2.62 | 8.02 |
| #FFFFFF | 8.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#565451
Deuteranopia (green-blind)
#4C4D52
Tritanopia (blue-blind)
#005C57
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #175a51; /* rgb */ color: rgb(23, 90, 81); /* oklch */ color: oklch(42.4% 0.067 182.2);
Tailwind
colors: {
custom: {
50: '#5f8981',
500: '#175a51',
950: '#000000',
},
}SCSS
$custom: #175a51; $custom-light: #5f8981; $custom-dark: #000000;
JSON
{
"hex": "#175a51",
"rgb": {
"r": 23,
"g": 90,
"b": 81
},
"hsl": {
"h": 171.94,
"s": 59.292,
"l": 22.157
},
"oklch": {
"l": 0.42411,
"c": 0.06691,
"h": 182.2
},
"luminance": 0.08089
}Semantic roles & 50–950 ramp
primary
#175A51
secondary
#913C47
accent
#455AE2
background
#F5F8F7
surface
#EAF0EE
border
#C6CBC9
text
#050B0A
muted
#797C7C