#173C44#173C44
#173C44 is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.3% C 0.044 H 214.0°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).
Color values
| HEX | #173C44 |
|---|---|
| RGB | rgb(23, 60, 68) |
| HSL | hsl(191, 49%, 18%) |
| HSV | hsv(191, 66%, 27%) |
| CMYK | cmyk(66.2%, 11.8%, 0%, 73.3%) |
| CIE-LAB | lab(23.10, -10.32, -8.89) |
| CIE-LCH | lch(23.10, 13.62, 220.73°) |
| OKLab | oklab(33.31% -0.0365 -0.0246) |
| OKLCH | oklch(33.31% 0.044 214) |
| XYZ | xyz(3.0122, 3.8309, 6.0484) |
| Luminance | 0.0383 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 7.13
Darkslategray
#2F4F4F
ΔE00 7.49
Gunmetal
#2A3439
ΔE00 8.03
Charcoal
#36454F
ΔE00 8.11
Dark Teal
#014D4E
ΔE00 8.75
Dark Grey Blue
#29465B
ΔE00 8.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#173C44 #441F17
analogous
#174435 #173C44 #172544
triadic
#173C44 #44173C #3C4417
tetradic
#173C44 #351744 #441F17 #254417
square
#173C44 #351744 #441F17 #254417
split-complementary
#173C44 #441725 #443517
monochromatic
#081417 #081417 #173C44 #266472 #368D9F
Accessibility & contrast
On white
11.89
#173C44 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.77
#173C44 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #173C44
11.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##173C44 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##173C44 | 1.00 | 11.89 | 1.77 | 11.89 |
| #FFFFFF | 11.89 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.77 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.89 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#363A44
Deuteranopia (green-blind)
#2F3544
Tritanopia (blue-blind)
#003F3E
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #173c44; /* rgb */ color: rgb(23, 60, 68); /* oklch */ color: oklch(33.3% 0.044 214.0);
Tailwind
colors: {
custom: {
50: '#5a7177',
500: '#173c44',
950: '#000000',
},
}SCSS
$custom: #173c44; $custom-light: #5a7177; $custom-dark: #000000;
JSON
{
"hex": "#173c44",
"rgb": {
"r": 23,
"g": 60,
"b": 68
},
"hsl": {
"h": 190.667,
"s": 49.451,
"l": 17.843
},
"oklch": {
"l": 0.33306,
"c": 0.04407,
"h": 214
},
"luminance": 0.03831
}Semantic roles & 50–950 ramp
primary
#173C44
secondary
#7B473C
accent
#674FD9
background
#F5F6F7
surface
#E9ECED
border
#C5C7C8
text
#040708
muted
#797A7B