#175D5B#175D5B
#175D5B is a dark, moderate teal. Relative luminance 0.088; OKLCH L 43.6% C 0.067 H 192.2°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).
Color values
| HEX | #175D5B |
|---|---|
| RGB | rgb(23, 93, 91) |
| HSL | hsl(178, 60%, 23%) |
| HSV | hsv(178, 75%, 36%) |
| CMYK | cmyk(75.3%, 0%, 2.2%, 63.5%) |
| CIE-LAB | lab(35.53, -21.32, -5.04) |
| CIE-LCH | lch(35.53, 21.91, 193.31°) |
| OKLab | oklab(43.63% -0.0652 -0.014) |
| OKLCH | oklch(43.63% 0.067 192.2) |
| XYZ | xyz(6.1552, 8.7655, 11.2630) |
| Luminance | 0.0877 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Turquoise
#045C5A
ΔE00 1.17
Deep Teal
#00555A
ΔE00 4.18
Dark Aqua
#05696B
ΔE00 4.48
Dark Green Blue
#1F6357
ΔE00 4.83
Dark Blue Green
#005249
ΔE00 5.23
Dark Teal
#014D4E
ΔE00 5.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#175D5B #5D1719
analogous
#175D38 #175D5B #173C5D
triadic
#175D5B #5B175D #5D5B17
tetradic
#175D5B #38175D #5D1719 #3C5D17
square
#175D5B #38175D #5D1719 #3C5D17
split-complementary
#175D5B #5D173C #5D3817
monochromatic
#061918 #0B2C2B #175D5B #238E8B #2FBFBB
Accessibility & contrast
On white
7.63
#175D5B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.75
#175D5B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #175D5B
7.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##175D5B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##175D5B | 1.00 | 7.63 | 2.75 | 7.63 |
| #FFFFFF | 7.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#57585B
Deuteranopia (green-blind)
#4D505C
Tritanopia (blue-blind)
#00605C
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #175d5b; /* rgb */ color: rgb(23, 93, 91); /* oklch */ color: oklch(43.6% 0.067 192.2);
Tailwind
colors: {
custom: {
50: '#618b89',
500: '#175d5b',
950: '#000000',
},
}SCSS
$custom: #175d5b; $custom-light: #618b89; $custom-dark: #000000;
JSON
{
"hex": "#175d5b",
"rgb": {
"r": 23,
"g": 93,
"b": 91
},
"hsl": {
"h": 178.286,
"s": 60.345,
"l": 22.745
},
"oklch": {
"l": 0.43628,
"c": 0.06669,
"h": 192.2
},
"luminance": 0.08766
}Semantic roles & 50–950 ramp
primary
#175D5B
secondary
#943C3F
accent
#4449E3
background
#F6F8F8
surface
#EBF0F0
border
#C6CBCB
text
#050C0B
muted
#7A7D7C