#173544#173544
#173544 is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.3% C 0.045 H 232.4°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).
Color values
| HEX | #173544 |
|---|---|
| RGB | rgb(23, 53, 68) |
| HSL | hsl(200, 49%, 18%) |
| HSV | hsv(200, 66%, 27%) |
| CMYK | cmyk(66.2%, 22.1%, 0%, 73.3%) |
| CIE-LAB | lab(20.62, -5.85, -12.69) |
| CIE-LCH | lch(20.62, 13.98, 245.26°) |
| OKLab | oklab(31.32% -0.0273 -0.0354) |
| OKLCH | oklch(31.32% 0.045 232.4) |
| XYZ | xyz(2.6694, 3.1455, 5.9342) |
| Luminance | 0.0315 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 2.72
Gunmetal
#2A3439
ΔE00 6.29
Dark Grey Blue
#29465B
ΔE00 6.29
Charcoal
#36454F
ΔE00 6.88
Dark Slate Blue
#214761
ΔE00 7.16
Dark
#1B2431
ΔE00 8.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#173544 #442617
analogous
#17443C #173544 #171E44
triadic
#173544 #441735 #354417
tetradic
#173544 #3C1744 #442617 #1E4417
square
#173544 #3C1744 #442617 #1E4417
split-complementary
#173544 #44171E #443C17
monochromatic
#081217 #081217 #173544 #265972 #367C9F
Accessibility & contrast
On white
12.89
#173544 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.63
#173544 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #173544
12.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##173544 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##173544 | 1.00 | 12.89 | 1.63 | 12.89 |
| #FFFFFF | 12.89 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.89 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2E3445
Deuteranopia (green-blind)
#273044
Tritanopia (blue-blind)
#00393A
Achromatopsia (no color)
#323232
Design tokens & code
CSS
--color: #173544; /* rgb */ color: rgb(23, 53, 68); /* oklch */ color: oklch(31.3% 0.045 232.4);
Tailwind
colors: {
custom: {
50: '#596c78',
500: '#173544',
950: '#000000',
},
}SCSS
$custom: #173544; $custom-light: #596c78; $custom-dark: #000000;
JSON
{
"hex": "#173544",
"rgb": {
"r": 23,
"g": 53,
"b": 68
},
"hsl": {
"h": 200,
"s": 49.451,
"l": 17.843
},
"oklch": {
"l": 0.31319,
"c": 0.04473,
"h": 232.4
},
"luminance": 0.03146
}Semantic roles & 50–950 ramp
primary
#173544
secondary
#7B513C
accent
#7D4FD9
background
#F5F6F7
surface
#E9EBED
border
#C5C6C8
text
#040608
muted
#797A7B