#173E46#173E46
#173E46 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.0% C 0.046 H 213.2°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).
Color values
| HEX | #173E46 |
|---|---|
| RGB | rgb(23, 62, 70) |
| HSL | hsl(190, 51%, 18%) |
| HSV | hsv(190, 67%, 27%) |
| CMYK | cmyk(67.1%, 11.4%, 0%, 72.5%) |
| CIE-LAB | lab(23.90, -10.85, -9.02) |
| CIE-LCH | lch(23.90, 14.11, 219.73°) |
| OKLab | oklab(33.97% -0.0382 -0.025) |
| OKLCH | oklch(33.97% 0.046 213.2) |
| XYZ | xyz(3.1810, 4.0693, 6.4110) |
| Luminance | 0.0407 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Darkslategray
#2F4F4F
ΔE00 6.97
Dark Blue Grey
#1F3B4D
ΔE00 7.46
Dark Teal
#014D4E
ΔE00 8.12
Charcoal
#36454F
ΔE00 8.24
Gunmetal
#2A3439
ΔE00 8.56
Dark Grey Blue
#29465B
ΔE00 8.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#173E46 #461F17
analogous
#174636 #173E46 #172646
triadic
#173E46 #46173E #3E4617
tetradic
#173E46 #361746 #461F17 #264617
square
#173E46 #361746 #461F17 #264617
split-complementary
#173E46 #461726 #463617
monochromatic
#081417 #081518 #173E46 #266774 #3590A2
Accessibility & contrast
On white
11.58
#173E46 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.81
#173E46 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #173E46
11.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##173E46 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##173E46 | 1.00 | 11.58 | 1.81 | 11.58 |
| #FFFFFF | 11.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.81 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#383C46
Deuteranopia (green-blind)
#313746
Tritanopia (blue-blind)
#004140
Achromatopsia (no color)
#393939
Design tokens & code
CSS
--color: #173e46; /* rgb */ color: rgb(23, 62, 70); /* oklch */ color: oklch(34.0% 0.046 213.2);
Tailwind
colors: {
custom: {
50: '#5a7379',
500: '#173e46',
950: '#000000',
},
}SCSS
$custom: #173e46; $custom-light: #5a7379; $custom-dark: #000000;
JSON
{
"hex": "#173e46",
"rgb": {
"r": 23,
"g": 62,
"b": 70
},
"hsl": {
"h": 190.213,
"s": 50.538,
"l": 18.235
},
"oklch": {
"l": 0.33971,
"c": 0.04563,
"h": 213.2
},
"luminance": 0.0407
}Semantic roles & 50–950 ramp
primary
#173E46
secondary
#7D473C
accent
#664EDA
background
#F5F6F7
surface
#E9ECED
border
#C5C7C8
text
#040809
muted
#797B7B